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General contractor > Class B > Flashcards

Class B Flashcards

1
Q

The maximum weather exposure for 18” wood shingle is
a) 3-4”
b) 4-6”
c) 7-10”
d) 10-12”

A

4-6 inches

What about other sizes and exposures?

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2
Q

An ammeter is used in _______ with a ______ circuit
a) series, energized
b) series, unenergized
c) parallel, energized
d) parallel, unenergized

A

series, energized

ammeter - series circuit
ohmmeter - parallel circuit

series circuit, the total voltage is divided equally.

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3
Q

How closely must support be spaced for Romex in a roof cavity?

a) 4ft
b) 6ft
c) 12ft
d) 16ft

A

4ft

what about other areas?

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4
Q

GFCI are usd for

a) a series circuit
b) a parallel circuit
c) a wet area
d) all of the above

A

all of the above

series circuit - components are connected in a line from end to end. voltage is divided equally between each component

parallel - each component branches to it’s own, voltage same across all components

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5
Q

If you run into roots while digging a footing what should you do?

a) continue excavating according to plan
b) cut out the roots, then continue
c) clear roots 12” down and away from footing
d) clear roots from the entire lot

A

clear roots 12” down and away from footing

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6
Q

The most important consideration in preparing a building site is the

a) property line
b) drainage
c) landscaping
d) elevation

A

drainage

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7
Q

Approximately how many 4”x4” tiles would you need to tile a 30”x60” show pan and three walls 5ft tall. Use 1/4” grout lines, assuming no curb and allow 15% for waste.

a) 439
b) 574
c) 720
d) 800

A

574

9000 / (4.25x4.25) * 1.15

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8
Q

How is expansive soil treated?

a) moisture treatment
b) sand treatment
c) line treatment
d) any of the above

A

any of the above

Expansive soil is soil that expands with water is added and shrinks when dry

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9
Q

Which of the following need not be grounded?

a) receptacle
b) junction box
c) light fixture
d) thermostat

A

thermostat

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10
Q

What is the weather exposure for 3-ply #15 roofing?

a) 8 1/2”
b) 9 3/4”
c) 11 1/2”
d) 14 1/2”

A

11 1/2”

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11
Q

The function of a waler is

a) to support a deck
b) horizontal member used to align and brace concrete forms or piles
c) to catalyze a chemical reaction
d) to decrease a chemical reaction

A

horizontal member used to align and brace concrete forms or piles

waler beam - a horizontal member used to provide lateral support for a vertical wall or excavation

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12
Q

For a custom-cut roof structure, how much greater than the cut end of a rafter does the ridge width need to be

a) 0”
b) 1/2”
c) 2”
d) 3”

A

0”

The ridge board must not be less than the width of these cut ends of the rafter

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13
Q

In general, an asphalt shingle should have a weather exposure of

a) 5”
b) 5 1/2”
c) 5 3/8”
d) 6 1/2”

A

5 “

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14
Q

Disabled grab bars should be installed with

a) brackets and nails
b) brackets and super glue
c) brackets and screws
d) brackets and anchor bolts

A

brackets and screws

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15
Q

What is the minimum width of a disabled access door?

a) 30”
b) 34”
c) 36”
d) 40”

A

36”

put all disable info here

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16
Q

When would a basement be included in the total allowable area calculated for a building?

a) never
b) always
c) sometimes
d) depends on building code

A

sometimes

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17
Q

Where is a 4 prong outlet plug used?

a) within 6ft of a sink
b) outside of a building
c) at the service to a house trailer or RV
d) by the pool

A

at the service to a house or RV

Don’t understand this one

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18
Q

How many continuous watts of load are permitted in a 12 gauge branch circuit

a) 1500
b) 2000
c) 2500
d) 3000

A

2000

.8 * 20 * 125 = 2000

12 gauge - 20A

14 gauge - 15A, 1500, .8 * 15 * 125 = 1500

Lower the gauge higher the amp

Watt - measure the amount of power that an electrical current can generate

volts - measure the force that causes electrons to flow through a conductor

amps - measure the rate at which electrons flow past a given point.

Ohms - measures resistance

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19
Q

What is the largest part of the cantilevered beam that can extend unsupported beyond a foundation

a) 1/4
b) 1/3
c) 1/2
d) 2/3

A

1/3

Max portion of beam can extend unsupported

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20
Q

How would you best determine if a soil is expansive

a) have the soil tested
b) add water until saturated
c) check with the landscaping contractor
d) pulverized it with a hammer while wearing safety glasses

A

have the soil tested

Expansive soil is soil that expands with water is added and shrinks when dry

to test - Expansive index test

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21
Q

When would you wet brick masonry

a) never
b) at any time
c) when temperature are above 32 degrees Fahrenheit
d) before building a brick wall in warm weather

A

before building a brick wall in warm weather

wet brick

-to prevent them from absorbing excessive moisture from the mortar
-much stronger than if the bricks were laid dry
-submerge it in water

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22
Q

“Mortar joint” refers to

a) wood joint
b) asphalt joint
c) vertical or horizontal joint between masonry joint
d) Pittsburgh joint

A

vertical or horizontal joint between masonry joint

Pittsburgh joint - metal sheets joints, HVAC

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23
Q

To determine if a wall is plumb, use a

a) leveling rod and transit
b) builder’s level
c) level and straight edge
d) framing square

A

level and straight edge - metal straight edge with leveler, what I normally use

Leveling rod and transit - what surveyors use
builder’s level - laser leveler
frame square - L shape metal, 90 degrees

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24
Q

Dividing watts by amps gives you

a) ohms
b) watts
c) volts
d) amp rating

A

volts

P(watts) = E(volts) x I(amps)

E = P/I gives you volts

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25
Q

The maximum height from which a concrete should be poured is

a) 1 1/2ft
b) 3 ft
c) 4ft
d) 6ft

A

6ft

concrete should be poured 30-90 mins after mixing

concrete - cement, sand, and gravel

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26
Q

In framing, a lookout is a

a) safety watch person on duty during scaffolding construction
b) large upper story window
c) optical leveling telescope
d) cantilevered beam

A

cantilevered beam

-a wooden joist that extends in cantilever out from the exterior wall (or wall plate) of a building

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27
Q

When you say a wall is “perfect” it is

a) level
b) straight
c) stable
d) plumb

A

stable in all directions

plumb - is perfectly vertical

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28
Q

When a stairway serves a public building, a handrail is required for ___ or more steps

a) two
b) three
c) four
d) five

A

two

for single residential, a handrail is required for 4 or more steps

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29
Q

What type of felt underlayment should you use for metal tiles

a) 15 pounds
b) 30 pound or 2 piles of 15 pound
c) 40 pound
d) Underlayment is not required

A

30 pound or 2 piles of 15 pound

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30
Q

Which pipe is not appropriate for industrial waste

a) cast iron
b) schedule 40 ABS DWV
c) extra strength vitrified clay
d) copper

A

copper

copper is used for heating systems and in hot and cold water transportation

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31
Q

When do you not need an exhaust fan in a bathroom

a) when there is a window
b) when remodeling a pre-existing bathroom
c) for commercial work
d) for residential work

A

when remodeling a pre-existing bathroom

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32
Q

What kind of door would you install for someone with a disability

a) automatic with a minimum of 3 seconds to close
b) automatic with a maximum of 5 seconds to open
c) manual with a maximum of 8.5 pounds to operate
d) either A or C

A

either A or C

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33
Q

Which tool is best for measuring odd angles in an existing structure

a) T-square
b) torpedo
c) bevel square
d) protractor

A

bevel square

t-square is used for drawings
torpedo is a small builder’s level

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34
Q

A soil is not Type-A if it is fissured, was previously disturbed, or

a) is subject to vibration from heavy traffic pile driving, or similar effects
b) contains a large proportion of clay material
c) contains caliche or hardpan
d) has a relatively high compressive strength

A

is subject to vibration from heavy traffic pile driving, or similar effects

Soil type

Stable rock - natural stone
Type-A - 1.5 tons or greater compression strength, clay
Type-B .5-1.5 tons compression strength, gravel
Type-C - < .5 , gradual soil like sand

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35
Q

What is the minimum length of a handrail extension if one is required for a stairway

a) 6 inches
b) 10 inches
c) 12 inches
d) 16 inches

A

12 inches

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36
Q

What is the minimum underlayment for asphalt shingles

a) 15 pounds
b) 30 pounds
c) 45 pounds
d) 60 pounds

A

15 pounds

For roof is 15 or 30 pounds.
30 pounds is thicker and better

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37
Q

The purpose of a batterboard in concrete work is

a) to use when mixing concrete
b) as a wood support in a concrete form
c) as part of a wood shoring system
d) to support layout strings when locating foundations

A

to support layout strings when locating foundations

temporary frames, set beyond the corners of a planned foundation at precise elevations. These batter boards are then used to hold layout lines (construction twine) to indicate the limits (edges and corners) of the foundation

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38
Q

The minimum size vent for a water closet is

a) 1 1/2”
b) 2”
c) 3”
d) 4”

A

2”

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39
Q

Triple walled metal chimney installations are regulated by the

a) IBC
b) chimney manufacturer
c) UMC
d) UPC

A

UMC

IBC - International BUILDING Code
UMC - Uniform MECHANICAL Code
UPC - Uniform PLUMBING Code

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40
Q

For safety reasons, the maximum simple slope of an excavation, up to 20 feet deep in TYPE-B soil is

a) 63 degrees
b) 53 degrees
c) 45 degrees
d) 34 degrees

A

45 degrees

Soil type

Stable rock - natural stone
Type-A - 1.5 tons or greater compression strength, clay
Type-B .5-1.5 tons compression strength, gravel
Type-C - < .5 , gradual soil like sand

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41
Q

What is the typical exposure for typical hip tiles

a) 8 inches
b) 14 inches
c) 20 inches
d) 24 inches

A

20 inches
google says 6 inches

hip tiles - round, claying looking tiles

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42
Q

How many diameters is the minimum lap (overlap) between sections of rebar in reinforced masonry

a) 7
b) 12
c) 24
d) 30

A

30

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43
Q

What is the difference between a hip jack rafter and a common rafter

a) there is no difference
b) a hip jack is longer than a common rafter
c) a hip jack runs from the top plate to a hip rafter, but a common rafter runs to the ridge board
d) a hip jack doesn’t connect with the top plate

A

a hip jack runs from the top plate to a hip rafter, but a common rafter runs to the ridge board

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44
Q

The best way to handle an I-beam is with a

a) fork lift
b) beam clamp
c) change & shackle
d) nylon strap

A

nylon strap

beam clamp - secures hanging fixtures or wires from beam

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45
Q

Metal forms should be

a) oiled
b) watered
c) placed against gravel
d) discarded after each use

A

oiled

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46
Q

How deep must PVC electrical conduit be buried in a public area if there is no vehicle traffic

a) 6”
b) 12”
c) 18”
d) 24”

A

18”

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47
Q

How many days in advance must you notify authorities before digging an excavation 5 feet deep into which a worker must go

1) 1
b) 2
c) 3
d) 4

A

1 day

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48
Q

What is the maximum spacing of single nails in a single layer of drywall on a ceiling

a) 6 inches
b) 7 inches
c) 8 inches
d) 9 inches

A

7 inches

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49
Q

The minimum required thickness for tempered glass used in residential shower doors is

a) 1/8”
b) 3/16”
c) 1/4”
d) 5/16”

A

1/8”

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50
Q

What material do you use to clean brushes and spills when painting with alkyd(oil) paints

a) paint thinner
b) gasoline
c) water
d) alcohol

A

paint thinner

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51
Q

What type of glazing requires Category II safety glass

a) a skylight
b) a sliding door
c) where the exposed top edge is less than 36 inches from the floor
d) where the exposed bottom edge is more than 18 inches from the floor

A

a skylight

Higher category equals stronger

Category II > Category I

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52
Q

When installing a framing bracket, how many of the holes must have nails

a) 85% of the holes
b) all the holes must have nails
c) what the manufacturer says is neccessary
d) 45% of the holes

A

what the manufacturer says is neccessary

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53
Q

Which of the following materials is acceptable for interior gas lines

a) copper
b) PVC
c) iron or steel
d) ABS

A

iron or steel

ABS pipe - used for drainage, sewage, and vents

PVC -use in plumbing, sewage and drainage systems, drinking water distribution, irrigation systems, chemical handling, fume, exhaust and ventilation ducts,

copper - water supply lines and refrigerant lines in HVAC

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54
Q

Which one would you use to install roofing tiles

a) masonry saw
b) any roofing tool
c) roofer’s hatchet
d) masking tape

A

masonry saw

key word is roofing tiles

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55
Q

Which tool would you use to apply mortar 1/2 inch think

a) rake
b) taping knife
c) trowel
d) none of the above

A

trowel

taping knife - metal sheet that spreads mud for drywall

trowel

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56
Q

Which of the following is used to adhere vinyl floors

a) epoxy cement
b) asphalt mastic
c) latex primer
d) white glue

A

epoxy cement - used for flooring

asphalt mastic - road
latex primer - paint primer

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57
Q

You should use a 1.5 gpm fixture when

a) you want to conserve water
b) there is a drought
c) there is not enough water pressure
d) none of the above

A

you want to conserve water

.5-1.5 gpm

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58
Q

Which of the following would you use around a pipe that penetrates an asphalt shingle roof

a) plastic cement
b) rubber cemment
c) silicone
d) tar

A

Plastic cement

Plastic cement is for roof fixes

Rubber cement - elastic and removable

silicone - sealant

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59
Q

Which type of wood is most commonly used for interior framing

a) alder
b) douglas fir
c) pine
d) redwood

A

douglas fir - for building bc of strength in straight frame

alder - soft wood
pine - flooring furniture
redwood - decking, outdoors

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60
Q

Which is the best instrument for measuring elevation

a) transit
b) string level
c) line level
d) plumb bob

A

transit - what surveyors use on tripod

string level - small level that string runs through

line level - same as string level

plumb bob - weight tied to string (vertical)

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61
Q

What type of device is used to determine if there is a load balance on an electrical panel

a) ohmmeter
b) amp probe
c) voltmeter
d) megger

A

amp probe

ohmmeter - measures electrical resistance

voltmeter - measures volt mainly for voltage drop

megger - insulation resistance

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62
Q

The most important safety step when using a welding torch is

a) no dust
b) no oil
c) no blockage
d) none of the above

A

no oil

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63
Q

When installing roll roofing, what is the minimum overlap between rolls

a) 2”
b) 4”
c) 6”
d) 8”

A

2”

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64
Q

How much should an asphalt shingle roof overhang the edge of the house

a) 1/2”
b) 3/4”
c) 1”
d) 1 1/2”

A

3/4”

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65
Q

Which is not a type of beam

a) H
b) I
c) J
d) round

A

round

J beam - Jack beam

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66
Q

What is the longitudinal tolerance for reinforcing steel ends and bends

a) +- 1inch
b) +- 2inches
c) +- 3inches
d) +- 4 inches

A

+- 2 inches

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67
Q

How many inches should reinforce steel be from the edge of a concrete girder

a) 1 1/2”
b) 2 inches
c) 3 inches
d) 4 inches

A

1 1/2”

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68
Q

What should you do before cutting the bottom chord of a truss

a) connect adjacent trusses with cross ties
b) support the ceiling directly
c) place columns under the ends of the truss
d) support the floor

A

connect adjacent trusses with cross ties

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69
Q

Which variety is considered a four season grass

a) centipede grass
b) tall fescue
c) blue grass
d) bermuda grass

A

tall fescue

centipede - bad for winter
blue - high maintenance, good during winter
bermuda - bad for winter

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70
Q

Minimum number of amps are needed to serve a 5000 sqft family residence where everything is run on electricity

a) 100
b) 200
c) 300
d) 400

A

200

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71
Q

The best standard fire rating for a roof assembly

a) Class A
b) Class B
c) Class 1
d) Class2

A

Class A

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72
Q

T-Y refers to

a) conduit used in electrical
b) gas piping
c) a fitting used in a DWV system to merge a side branch with a main branch
d) plastic pipe used in plumping

A

a fitting used in a DWV system to merge a side branch with a main branch

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73
Q

Where do you nail metal valley flashing

a) 1/2 inch from top edge
b) 1/4 inch from bottom edge
c) 1 inch from outer edge
d) along center

A

1 inch from outer edge

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74
Q

When splicing rebar, the minimum lap should be

a) 30 bar diameter
b) 40 bar diameter
c) 48 bar diameter
d) 60 bar diameter

A

40 bar diameter

hallow (ie concrete block) - 40 bar

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75
Q

A raked joint is a type of

a) fitting used in plumbing
b) plaster finish used on exterior walls
c) concrete framework
d) mortar joint that is compacted to a specific depth while the mortar is still green

A

mortar joint that is compacted to a specific depth while the mortar is still green

Like in brick or tiles

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76
Q

Which of the following door mechanisms meets minimum disabled access requirements

a) minimum 3 inch lever
b) electrically operated
c) single action lever
d) not lockable

A

single action lever

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77
Q

When applying asphalt shingles, how far into the sheathing should you drive nails

a) 1/2 inch
b) 5/8 inch
c) 3/4 inch
d) 1 inch

A

3/4 inch

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78
Q

Which of the following is a recommended method of installing a hardwood floor over a concrete slab

a) float the floor
b) apply glue
c) use concrete nails
d) use staples

A

Float the floor

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79
Q

What is the maximum exposure of 24 inch wood roofing shakes

a) 7 inches
b) 8 inches
c) 9 inches
d) 10 inches

A

10 inches

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80
Q

Which of the following procedure is used to level freshly poured concrete flatwork

a) darbying
b) screeding
c) floating
d) trowling

A

screeding

Order

1) SCREEDING - level right after pouring
2) DARBY - right after screeding, smoothing
3) EDGE and GROOVE
4) FLOAT - after water sheen disappears, apply even texture
5) TROWLING - smooth finish, right after float
6) BROOMING

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81
Q

A purlin is

a) horizontal support that spans across adjacent rafters and may be above or below the principal rafters

b) vertical support that spans across adjacent rafters and may be above or below the principal rafters

c) horizontal or vertical support that spans across adjacent rafters and may be above or below the principal rafters
d) horizontal member that ties opposite rafters together

A

horizontal support that spans across adjacent rafters and may be above or below the principal rafters

Horizontal that supports the rafters

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82
Q

Lining for shower receptors are typically

a) two layers of 20 pounds asphalt saturated felt
b) two layers of 30 pound asphalt saturated felt
c) three layers of 15 pound asphalt saturated felt
d) four layers of 20 pound asphalt saturated felt

A

three layers of 15 pound asphalt saturated felt

Plumbing code

three layers of 15 pound asphalt saturated roofing felt, each layer thoroughly mopped with hot asphalt

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83
Q

When installing fiberglass insulation between floor joists, the insulation is installed with

a) nails
b) wire
c) A&C
d) attachment not required

A

A&C
because floor joist

if walls, attachment is not required

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84
Q

How should you adjust the pitch of a solar collector mounted on a roof

a) lay flat on roof
b) use cripples
c) use springs
d) any of the above

A

Cripples

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85
Q

What is the minimum compression strength required for a concrete slab on grade

a) 2000 psi
b) 2500 psi
c) 3000 psi
d) 3500 psi

A

2500 psi

weather exposure will require higher psi

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86
Q

Which type of material would you use for backfill up to a foundation

a) gravel
b) fill dirt planted with rye grass to stabilize soil
c) sand
d) no backfill allowed, you must pour concrete up to the existing foundation

A

gravel

gravel allows for better water drainage

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87
Q

How would the length of a gulam be determined if over 16 ft

a) the contractor can determine length
b) an engineer must calculate length
c) the dimension must be determined from the building code
d) the lumberyard can do the calculations

A

an engineer must calculate the length

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88
Q

According to energy efficiency standards, general lighting in kitchen must have an efficacy of at least how many lumes per watt

a) 25
b) 30
c) 36
d) 40

A

40

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89
Q

When do you use a raked joint

a) when the joint is too wide
b) when the mortar is too stiff
c) when the mortar is too soft
d) when the plans call for specific and even joint depth

A

when the plans call for specific and even joint depth

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90
Q

How would you fasten a wood shake to a roof deck

a) nails
b) glue
c) screws
d) none of the above

A

nails

metal roof uses screws

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91
Q

Paint grade wood cabinets require

a) staining
b) sanding, priming, and finishing
c) sanding and finishing
d) no sanding

A

sanding, priming, and finishing

paint grade - unfinished, sanded wood that is ready to paint and allows for a smooth, even finish.

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92
Q

According to the Building Code, the minimum clearance from a masonry fireplace to wood framing member is

a) 0 inch
b) 3/4 inch
c) 1 inch
d) 2 inches

A

2 inches

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93
Q

What is a disadvantage of using AC cable

a) it has a two wire limit
b) it must use special ceramic collors
c) it is difficult to ground
d) it may only be used indoors and in dry conditions

A

it may only be used indoors and in dry conditions

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94
Q

Which color wire is attached to a metal box

a) red
b) white
c) black
d) green

A

green

All metal boxes need to be grounded. So green

white is neutral

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95
Q

Who is the primary authority when demolishing a building with less than 3 units

a) state
b) federal
c) local
d) CBC

A

local

when demo structure more than 3 stories high, must obtain permit from DOSH, state organization

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96
Q

What’s a disadvantage of using AC cable

a) it has a two wire limit
b) it must use special ceramic collars
c) it is difficult to ground
d) it may only be used indoors and in dry condition

A

it may only be used indoors and in dry condition

AC same as BX metal armored, can be buried (ground)

Romex is the yellow wires commonly used, flexible,

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97
Q

When electrical conductors are underground they must always be

a) in conduit
b) rated for wet locations
c) rated for 90C
d) in PVC

A

rated for wet locations

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98
Q

What is the most common size rebar used in the footing for a single story house

a) No 3
b) No 4
c) No 5
d) No 6

A

3, for driveway

No 4

#4 walls and columns
#5 footing, foundation

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99
Q

A contractor install a handrail 1 5/8” in diameter and 1 3/4” from the wall. Does it meet code

a) yes
b) no, the handrail should be 1 3/4” in diameter and installed 2” from the wall
c) no, the handrail should be 2” in diameter and installed 2” from the wall
d) no, the handrail should be 1” in diameter and installed 1 1/2” from the wall

A

yes

handrail should be 1 1/4” to 2” in diameter and installed at least 1 1/2” away from wall

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100
Q

Which of the following heating systems should be used in a building without flue

a) electric furnance
b) gas furnance
c) oil furnance
d) wood stove

A

electric furnance

flue is ducting for smoke and gas

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101
Q

For which of the following may you use PVC pipe

a) water heater vent
b) central vacuum system duct
c) DWV systems
d) commercial kitchen hood

A

central vacuum system duct

ABS pipe - used for drainage, sewage, and vents

PVC -use in plumbing, sewage and drainage systems, drinking water distribution, irrigation systems, chemical handling, fume, exhaust and ventilation ducts,

copper - water supply lines and refrigerant lines in HVAC

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102
Q

For a residential bathroom that is less than 20 square ft, what is the minimum size of the bathroom window if a vent fan is not installed

a) 1 1/2 sqft
b) 2 sqft
c) 3 sqft
d) 4 sqft

A

3 sqft

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103
Q

How long should you mix mortar

a) 3-10 mins
b) over 10 mins
c) 30 mins
d) 1-2 mins

A

3-10 mins

pour height 6ft
use with in 90 mins?

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104
Q

What is the minimum clearance from the top of a water heater to te ceiling

a) 16”
b) 18”
c) 24”
d) 30”

A

18”

also 18” above floor

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105
Q

Which of the following is not required for a furnace installed in a closet

a) the closet must have firewalls and a fire resistant door
b) closet must be 12 inches wider than the furnace
c) the closet must have opening in the top 12 inches and bottom 12 inches for combustion
d) it must have a pan below

A

it must have a pan below

pan is only for water heater, question is for furnace

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106
Q

What is the minimum embedment depth for anchor bolts in concrete

a) 6 inches
b) 7 inches
c) 8 inches
d) 9 inches

A

7 inches

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107
Q

What is the minimum amount of space required to either side and at the front of the toilet

a) 12 inches and 14 inches
b) 12 inches and 20 inches
c) 15 inches and 20 inches
d) 15 inches and 24 inches

A

15 inches and 24 inches

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108
Q

Which of the following is the largets sphere that is allowed to fit through the railing of a stairway

a) 3.5”
b) 4.5”
c) 5”
d) 6”

A

3.5”

max opening is 4”

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109
Q

What are the marks on the head of a hex bolt represent

a) rating
b) size
c) material
d) color

A

rating

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110
Q

What is the common name of the Freon recovery unit

a) recovery/recycling machine
b) vacuum tube
c) canister evacuator
d) refrigerant extractor

A

recovery/recycling machine

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111
Q

What is the height of a countertop intended for disable access

a) 30 inches
b) 34 inches
c) 36 inches
d) 40 inches

A

34 inches

standard is 36 inches

cabinets - 34.5” countertop 1.5”

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112
Q

What is the minimum height for a fence around a private swimming pool

a) 72”
b) 60”
c) 48”
d) 36”

A

48”

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113
Q

What is the smallest wire allowed in Romex cable

a) 16 AWG
b) 14 AWG
c) 12 AWG
d) 10 AWG

A

14 AWG

Higher number smaller wire

14 AWG = 15A
12 AWG = 20A
10 AWG = 30 A
8 AWG = 40A
6 AWG = 55A
3 AWG = 100A
1/0 AWG = 150A
3/0 AWG = 200A

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114
Q

What should you do when pouring concrete in hot weather

a) wet the area
b) wait 3 hours after mixing before pouring
c) add ice to the water
d) nothing special, simply pour the concrete

A

add ice to the water

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115
Q

How is crown molding connected at the corners of the room

a) mitered
b) spined
c) lapped
d) kerfed

A

mitered - cut 45 degrees and connect

lapped (joint)
kerfed - notched made by saw

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116
Q

Who do you notify if you find hazardous material on the job side

a) EPA
b) OSHA
c) contractor
d) owner

A

owner

in writing

OSHA - Occupational Safety and Health Administration

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117
Q

What is the minimum overlap for T1-11 siding

a) 1/8 inch
b) 1/4 inch
c) 3/8 inch
d) 1/2 inch

A

3/8 inch

vinyl siding 1-1 1/4” overlap

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118
Q

What is the maximum slope for a 10 foot long ramp intended for disable access

a) 1:50
b) 1:12
c) 1:15
d) 1:20

A

1:12 - (8.33%)

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119
Q

Which of the following do you need to do when backing up a heavy truck

a) honk
b) look in the rear view mirror
c) use hand signal
d) all of the above

A

look in the rear view mirror

if carrying > 2.5 cubic yard then need to stall noise

120
Q

What is the typical toes space for cabinets

a) 4 inches and 2 1/2 inches
b) 5 inches and 2 1/2 inches
c) 5 inches and 4 inches
d) there is no standard

A

4 inches and 2 1/2 inches

4 inches high and 2 1/2 to 3 1/2 inches deep

121
Q

How far above a roof must a plumbing vent extend

a) 2 inches
b) 3 inches
c) 4 inches
d) 6 inches

A

6 inches

122
Q

Which of the following tools is used to make the curved joint in mortar

a) notched trowel
b) jointer
c) edger
d) hawk

A

jointer

edger - round edges

123
Q

What type of wallboard is used when you need to keep moisture out

a) plaster
b) cement board
c) Type X
d) RainShield

A

cement board

Type X - fire resistant
plaster - mudding

124
Q

What is the maximum rise for residential stairs

a) 7 3/4”
b) 7 1/2”
c) 10”
d) 12”

A

7 3/4”

7 1/2” +-1/4”

commercial is 7”

125
Q

What is the minimum pipe size that can be used for wet vent

a) 2”
b) 3.5”
c) 4”
d) 5.5”

A

2”

126
Q

Which of the following is required when operating a crane on a job site

a) no worker should be exposed to overhead loads
b) the crane operator must be in radio communication with the job foreman
c) the crane operator must be directed by someone on the ground
d) the crane operator must obey all signals given by workers on the ground

A

no worker should be exposed to overhead loads

127
Q

Which of the following types of tool is best used when setting a framing spike

a) hacket hammer
b) sledge hammer
c) pneumatic nailer
d) nailer-tacker

A

pneumatic nailer

uses 16d nails(3.5”) for 2x4 and 2x6 framing

8d is used for finish work, trims and baseboards

128
Q

What is the minimum size flag you should use when your load extend 4 feet past end of the truck

a) 12 inches square
b) 15 inches square
c) 18 inches square
d) 24 inches square

A

18 inches square

load extends 4ft

129
Q

What is the minimum recommended distance between straps when hanging gutters

a) 20 inches
b) 24 inches
c) 36 inches
d) 42 inches

A

36 inches

130
Q

What is the maximum permitted length of a gutter between ends or expansion joints

a) 10 ft
b) 25 fr
c) 40 ft
d) 50 ft

A

50ft

131
Q

A downspout should drain no more than ____ of gutter

a) 50 ft
b) 100 ft
c) 125 ft
d) 150 ft

A

50 ft

132
Q

Foundation concrete must be inspected if the compressive strength is

a) 1500 psi
b) 2000 psi
c) 2500 psi
d) 3000 psi

A

2500 psi

133
Q

Nail shear panels at least ___ from the edge

a) 1/8”
b) 3/8”
c) 5/8”
d) 3/4”

A

3/8”

134
Q

How are nipples specified

a) by length
b) by diameter
c) by diameter then length
d) by length then diameter

A

by diameter then length

plumbing - a short pipe that connects two other pipes

135
Q

What should you do after sandblasting metal surfaces

a) prime and seal the same day
b) wash with muriatic acid
c) wash with detergent
d) prime and seal the next day

A

prime and seal the same day

136
Q

Fill material must be compacted to at least _____ of maximum density

a) 70%
b) 80%
c) 90%
d) 95%

A

90%

137
Q

What is the minimum angle at which solar collectors should be mounted

a) 45 degrees
b) 60 degrees
c) according to geographical latitude
d) according to geographical longitude

A

according to geographical latitude
(north south)

138
Q

vWhat is the minimum size ent that should be used for a water closet

a) 3 inches
b) half the diameter of the waste pipe
c) half the circumference of the waste pipe
d) twice the circumference of the waste pipe

A

half the diameter of the waste pipe

minimum of 2 inches

139
Q

What pipe is used for both drainage and venting

a) ABS and cast iron for both
b) cast iron for drain, ABS for vent
c) ABS only
d) cast iron only

A

ABS and cast iron for both

140
Q

How many days should you wait between the brown coat and the finish coat when plastering

a) 2
b) 3
c) 4
d) 7

A

7 days

between scratch coat and brown coat, wait 2 days

141
Q

Basement concrete walls should have a minimum compressive strength at 28 days of

a) 1000 psi
b) 2000 psi
c) 3000 psi
d) 4000 psi

A

3000 psi

142
Q

What is the tallest extension ladder allowed on jobsite

a) 25 ft
b) 40 ft
c) 55 ft
d) 72 ft

A

72 ft

143
Q

In a work space, travel distance to a fire extinguisher must not be more than ___

a) 25 ft
b) 50 ft
c) 75 ft
d) 100 ft

A

75 ft

144
Q

The maximum allowable distance between a wall and a suspended mason’s scaffold is

a) 5 inches
b) 6 inches
c) 7 inches
d) 14 inches

A

6 inches

Heavy trades wooden scaffolding is 14 inches from wall

145
Q

When excavating, what should be done before you bring in fill soil

a) level and compact
b) water it well
c) clear and grub
d) spread lime

A

clear and grub

146
Q

What is the minimum distance from a house to a large scale utility excavation (eg swimming pool)

a) half the depth
b) same as the depth
c) ask local building inspector
d) no regulation: use your best jusdgement

A

same as the depth

147
Q

What is the maximum height of a threshhold for a door designed for disable access

a) 0 inches
b) 1/2 inch
c) 3/4 inch
d) 1 inch

A

3/4 inch

door threshold is 3/4”
shower threshhold is 1/2”

148
Q

What is the minimum size landing for an automatic electric door designed for disabled access

a) 16 sqft
b) 5ft x 5ft
c) 16 linear ft
d) 4ft x 4ft

A

5ft x 5ft

149
Q

What is the minimum distance from the side of a toilet to the wall, in a bathroom stall that meets side transfer accessibility requirements

a) 18 inches
b) 28 inches
c) 32 inches
d) 36 inches

A

32 inches

150
Q

Which of the following is not a steel post

a) H beam
b) I beam
c) J beam
d) round post

A

J beam

151
Q

For which type of buildings do you need a certificate of occupancy

a) commercial
b) residential
c) state and federal
d) all buildings

A

all buildings

152
Q

What is the maximum cut on truss that is sitting on a wall framed with a 2 inch x 4 inch lumber

a) notched 1/2 inch
b) notched 3/4 inch
c) notched 1/3 the thickness
d) no cutting is allowed

A

no cutting is allowed

153
Q

What is the best tool to make a hole through a steel I beam structure

a) hole saw
b) torch
c) magnetic drill
d) chisel

A

magnetic drill

154
Q

Which of the following is the most toxic

a) PVC cement
b) TSP
c) pipe-joint compound
d) concrete from oil

A

PVC cement

155
Q

How is an HD2A used to build a wall

a) holds the framing to the foundation
b) holds the sill plate to the foundation
c) holds corners of the buildings to the foundation
d) holds the windows in place

A

holds the framing to the foundation

156
Q

What is the maximum depth for a bird mouth cut in a rafter

a) 1/6 the depth of the rafter
b) 1/8 the depth of the rafter
c) 1/10 the depth of the rafter
d) 1/16 the depth of the rafter

A

1/6 the depth of the rafter

157
Q

What is the minimum standard for a fire door

a) 1 3/8 inches solid wood
b) 1 1/2 inches hollow core
c) 1 5/8 inches solid wood
d) 1 7/8 inches hollow core

A

1 3/8 inches solid wood

honeycomb core or metal core

158
Q

What is the minimum distance above grade for an outdoor recepticle

a) 12 inches
b) 18 inches
c) 24 inches
d) 36 inches

A

12 inches

159
Q

Which of the following is best to use when removing framing with nails still in

a) skill saw
b) hack saw
c) reciprocating saw
d) old chisel

A

reciprocating saw - handheld

skill saw - straight cut wood
hack saw - manual saw

160
Q

Whom do you contact before removing asbestos

a) EPA
b) Cal/OSHA
c) DIR
d) no one

A

Cal/OSHA

161
Q

What is the minimum height of a toilet seat from the floor

a) 15 inches
b) 16 inches
c) 18 inches
d) 20 inches

A

15 inches

162
Q

Handrails must be installed ____ above the surface of a ramp for the disabled

a) 30 inches to 33 inches
b) 32 inches to 36 inches
c) 34 inches to 38 inches
d) 34 inches to 36 inches

A

34 inches to 38 inches

handrail to ramp is same as stairway

163
Q

Where is the sole plate located when framing

a) above the wall
b) below the sill
c) above the stud
d) below the subfloor

A

below the sill

Sole plate is same as sill plate

164
Q

Which of the following is required for commercial shower stalls intended for wheelchair access

a) sill must be flat
b) floor may not slope more than 1%
c) water controls must be between 39 and 41 inches above the floor
d) water controls must not require more than 3 lbs to operate

A

water controls must be between 39 and 41 inches above the floor

sill can be 1/2”

floor less than 2%

water control less than 5lbs to operate

165
Q

Which of the following is used to connect two pipes of different sizes

a) jacketed coupling
b) nipple end
c) bushing
d) tapping tee

A

bushing

jacketed coupling
nipple end

166
Q

Where should the blocking be for a shear panel

a) at the top
b) at the bottom
c) at the edges
d) in the middle

A

at the edges

167
Q

How many board feet will you need for studs when framing a 20 foot wall that is 10 feet high, using 2 inch x 6 inch studs spaced 16 inches o.c.

a) 150 bf
b) 160 bf
c) 180 bf
d) 200 bf

A

160 bf

20 ft x 12 inches = 240 inches

240 / 16 = 15 studs + 1 starter

2 x 6 x 10 / 12 = 10

16 x 10 = 160 bf

168
Q

How do you find out what type of concrete to use

a) soils engineer report and recommendation
b) recommendation by the supplier
c) ask the building department
d) choose whatever you feel is appropriate

A

recommendation by the supplier

169
Q

Which of the following is used to make a grounding electrode

a) 6 foot steel rod
b) 6 foot copper rod
c) 8 foot steel rod
d) 8 foot copper rod

A

8 foot steel rod

170
Q

What is the net size for Douglas fir

a) 2” x 4”
b) 1 1/2” x 3 1/2”
c) 1 3/4” x 4”
d) 1 3/4” x 3 3/4”

A

1 1/2” x 3 1/2”

171
Q

What is the minimum clearance between wood framing members and the ground in a crawlspace

a) 6 inches
b) 12 inches
c) 18 inches
d) 24 inches

A

18 inches

172
Q

What is the maximum spacing for anchor bolts in foundation

a) every 4ft
b) every 6ft
c) every 8ft
d) every 10ft

A

every 6ft

173
Q

What is a disadvantage of using a China bristle brush

a) it swells when used latex paint
b) it swells when used with oil-based paint
c) it leaves streaks when applying a clear finish coat
d) it leaves behind bristles in the paint

A

it swells when used with latex paint

it uses natural fiber which absorbs water. should not be used with water based paint

174
Q

What is the maximum length of a double cleat ladder

a) 12 ft
b) 24 ft
c) 36 ft
d) 48 ft

A

24 ft

175
Q

What is the diameter of scaffolding bracing and posts

a) 2 1/2 inches
b) 2 inches
c) 1 1/2 inches
d) it depends on the height of the scaffolding

A

2 inches

176
Q

You would use a voltmeter wired in ____ to test a ______ circuit

a) parallel; energized
b) parallel; non energized
c) series; energized
d) series; non energized

A

Parallel; energized

ammeter - series; energized

177
Q

Which of the following is the best place to install a heater register

a) interior wall opposite a window
b) interior wall opposite a door
c) exterior wall under a window
d) exterior wall away from doors

A

exterior wall under a window

178
Q

What is the standard width of a garage door

a) 9 ft
b) 8 1/2 ft
c) 9 ft
d) 9 1/2 ft

A

9 ft

179
Q

When installing gas lines in the crawl space of a house, what should you use when tapping into an existing gas line

a) junction
b) all thread coupling
c) union
d) ground joint union

A

ground joint union - used for gas

junction - connects another water line
all thread coupling - joining rebars
union

180
Q

What is the maximum distance an anchor bolt can be from the edge of the footing

a) 4 inches
b) 6 inches
c) 8 inches
d) 12 inches

A

12 inches

181
Q

What is the minimum requirement for making light in a room

a) 5%
b) 8%
c) 15%
d) 20%

A

8%

182
Q

What is the minimum clearance in an attic crawl space

a) 18 inches
b) 24 inches
c) 28 inches
d) 30 inches

A

30 inches headroom space

183
Q

What is the minimum required width of a residential shower door

a) 22 inches
b) 24 inches
c) 28 inches
d) 30 inches

A

22 inches

184
Q

What is the minimum cover for a rebar ina concrete footing cast against and permanently exposed to earth

a) 3/4”
b) 3”
c) 6”
d) 12”

A

3”

185
Q

What is the minimum concrete cover at sides where concrete is cast against the ground and on bottom of footing

a) 1 inch
b) 2 inches
c) 2 3/4 inches
d) 3 inches

A

3 inches

186
Q

What is the maximum height of a threshold for a door designed for disable access

a) 0 inches
b) 1/2”
c) 3/4”
d) 1 inch

A

1/2”

187
Q

What is the minimum distance from the side of the toilet to the wall that meets the side transfer accessibility requirements

a) 18 inches
b) 28 inches
c) 32 inches
d) 36 inches

A

32 inches

188
Q

When must windows be double glazed

a) always
b) never
c) when facing west
d) when in a commercial building

A

never

189
Q

What type of insulation has the lowest R value per foot

a) loose fill cellulose fiber
b) urea formaldehyde
c) fiberglass batt
d) polystyrene boards

A

fiberglass batt

190
Q

When is it permitted to lift the guard on a circular saw

a) anytime
b) never
c) under supervision
d) when start cutting

A

when start cutting

191
Q

What is the name of the measurement system most commonly used in the United States

a) metric
b) setric
c) English
d) Dutch

A

English

192
Q

What is the thead depth for interior stairs

a) 9 inches
b) 10 5/8 inches
c) 11 inches
d) 11 5/8 inches

A

11 inches

193
Q

How long should cement be mixed before it is poured

a) 3 minutes
b) 5 minutes
c) 7 minutes
d) 10 minutes

A

3 minutes

194
Q

Which of the following is an approved method for attaching particleboard to the subfloor

a) nails
b) staples
c) adhesive
d) any of the above

A

any of the above

195
Q

If a scaffolding is constructed with two ladders and a plank, how far can the plank be above the ground

a) 8 ft
b) 16 ft
c) 24 ft
d) 40 ft

A

16 ft

196
Q

Which code should a contractor usually follow

a) the most stringent
b) the national code
c) the state code
d) the local code

A

the local code

197
Q

What is the minimum dimension of a disable-access landing with no door

a) 3 ft x 4 ft
b) 4 ft x 4 ft
c) 5 ft x 3 ft
d) 6 ft x 4 ft

A

5 ft x 4 ft top landing

minimum 5 ft

with door 5 ft x 5 ft

bottom landing 6ft

198
Q

Which of the following is a laminated covering

a) latex paint
b) oil based paint
c) wall paper
d) Formica

A

Formica

199
Q

What do you use to support water pipe

a) plumbing tape
b) duct tape
c) teflon tape
d) electrical tape

A

plumbers tape

200
Q

What is the minimum thickness for the footing of a three story building

a) 4 inches
b) 6 inches
c) 8 inches
d) 10 inches

A

8 inches

201
Q

What is the minimum compressive strength of grout

a) 1500 psi
b) 2000 psi
c) 2500 psi
d) 3000 psi

A

2000 psi

202
Q

Which of the following is classified as a fire retardent roof

a) Class 1 or B
b) Class A
c) Class B or C
d) Class A, B, or C

A

Class A, B, or C

203
Q

A 10 ft vertical pipe test must be applied to

a) sewer lines
b) fire sprinkler stand pipes
c) DWV system
vent lines
d) vent lines

A

DWV systems

204
Q

According ti the Energy Conservation Code, the maximum glazed are is calculated from a percentage of the ____ gross area, when building a four story residential building

a) wall
b) floor
c) ceiling
d) door

A

floor

205
Q

What is the best fastener to use - for composite shingles

a) 1/4 inch crown staple
b) 6d nail
c) 4dcountersunk nail
d) 12 gage nail

A

12 gage nail

206
Q

Which of the following tools are you likely to need when installing a hardwood floor

a) planer and hammer
b) saw and hammer
c) saw and nailer
d) Sawzall and level

A

saw and hammer - most common

207
Q

When is fire damper needed

a) between floors
b) near an electrical box
c) between firewalls
d) in the attic

A

between firewalls

208
Q

What determines the number of outlets for a 20 amp circuit

a) NEC and local codes
b) Title 24
c) the size of the 20 amp wire system
d) Energy Conservation Code

A

NEC and local code

209
Q

What is the minimum slope for single-coverage composition roll roof

a) flat
b) 2:12
c) 3:12
d) 5:12

A

2:12

210
Q

When testing for continuity, an ohmmeter is connected in _____ and the circuit must be ____

a) series, energized
b) series, de-energized
c) parallel, energized
d) parallel, de-energized

A

parallel and de-energized

ammeter - series, energized
voltmeter - parallel, energized

211
Q

What plaster would you use as a basecoat on wood to minimize flammability

a) bond plaster
b) wood fibered plaster
c) ready mixed plaster
d) neat plaster

A

wood fibered plaster

212
Q

When toxic substance is sprayed , what should be done

a) provide sprayer with a surgical mask
b) provide sprayer with a respirator
c) all areas should be well ventilated
d) toxic substances should never be sprayed

A

provide sprayer with a respirator

213
Q

When using boo-type equipment, how must it be kept from electrical lines

a) 10 ft
b) 20 ft
c) 30 ft
d) 40 ft

A

10 ft

214
Q

If a building code dispute arises on plans that have already been approved, who decides the dispute

a) licensed engineer
b) local building department
c) field inspector
d) contractor

A

local building department

215
Q

What is the maximum allowed rise of a disabled access ramp before you must have a landing

a) 5 ft
b) 7 ft
c) 10 ft
d) 15 ft

A

5 ft

216
Q

When a disable access door is fully open (90 degrees) what is the required minimum clear width of the exitway

a) 30 inches
b) 32 inches
c) 34 inches
d) 36 inches

A

32 inches

minimum size door is 36” but an opened door reduces the opening

217
Q

Which of the following is the most important factor with respect to a schedule of payments

a) date
b) amount
c) keeping the lender informed of job phase
d) phase

A

amount

218
Q

For which of the following do you not need a contractors license

a) building a 6 foot fence
b) constructing an oil derrick
c) painting
d) installing a French door

A

constructing an oil derrick

219
Q

What type of brick is used to build a garden wall

a) grade SW
b) grade MW
c) grade NW
d) any of the above

A

grade SW -severe weather brick

220
Q

What is not necessary when storing flammable material

a) keep them under lock and key
b) keep them in closed containers
c) they must be clearly marked
d) a three foot wide aisle must be kept clear

A

keep them under lock and key

221
Q

What is the minimum clearance between untreated wood siding and rough ground

a) 12 inches
b) 8 inches
c) 6 inches
d) 3 inches

A

8 inches

222
Q

What type of fastener is used for strapping a hot water heater

a) 3 inch lag bolt
b) crown staples
c) drywall screws
d) roofing nails

A

3 inch lag bolt

223
Q

What is the proper position for the doorknob on an exterior door

a) between 34 to 44 inches above the floor
b) on the right side
c) on the left side
d) at least 36 inches above the floor

A

between 34 and 44 inches from the floor

ADA compliant

224
Q

What is the minimum standard for a fire door

a) 1 3/8 inch solid wood
b) 1 1/2 inch hollow
c) 1 5/8 inches solid wood
d) 1 7/8 hollow core

A

1 3/8 inch solid core

225
Q

Which of the following is best to use when removing framing with nails still in

a) skill saw
b) hack saw
c) reciprocating saw
d) old chisel

A

reciprocating saw

226
Q

Where is the sole plate located when framing

a) above the sill
b) below the sill
c) above the studs
d) below the subfloor

A

above the sill

sill is the lowest framing member
sole plate is the horizontal board on top of the subfloor

227
Q

How often should you check heavy equipment

a) once per month
b) once per week
c) once per day
d) once per shift

A

once per shift

228
Q

What is the minimum clearance between framing members and the ground in a crawl space

a) 6 inches
b) 12 inches
c) 18 inches
d) 24 inches

A

12 inches

229
Q

What is the maximum spacing for anchor bolts in the foundation

a) every 4 ft
b) every 6 ft
c) every 8 ft
d) every 10 ft

A

every 6 ft

230
Q

Which type of material would not be installed on a 2/12 pitch roof

a) shingles
b) torch down
c) hot mop
d) roll roofing

A

shingles

231
Q

What is the allowable live load for a flat roof that is less than 200 sqft

a) 12 psf
b) 16 psf
c) 20 psf
d) 24 psf

A

20 psf

232
Q

According to the California Residential Code, what is the minimum height of a kitchen ceiling

a) 7 ft
b) 7 ft 6 inches
c) 8 ft
d) 8 ft 6 inches

A

7ft

bathrooms must have a ceiling height of 6 ft 8 inches

233
Q

What is the maximum permitted distance between convenience outlets

a) 6ft
b) 8 ft
c) 10 ft
d) 12 ft

A

12 ft

234
Q

What is the minimum size nail to attach 1/2 inch gypsum wallboard

a) 3d
b) 5d
c) 6d
d) 10d

A

5d

235
Q

What is typically installed under the frame of the door

a) sill
b) threshold
c) flashing
d) weatherstripping

A

flashing

236
Q

Non-metallic sheathed cable must be supported every

a) 3ft
b) 4 ft
c) 4 1/2 ft
d) 6 ft

A

4 1/2 ft

AKA romex, if on cabinet every 12 inches

237
Q

When placing a ladder, the distance from the wall to the foot of the ladder should be equal to _____ of the distance from the ground to the top support

a) 1/10
b) 1/5
c) 1/4
d) 1/3

A

1/4

238
Q

How many nails are used on a standard three tab shingle

a) 2
b) 3
c) 4
d) 6

A

4

239
Q

A second guide for the ladder placement is to locate the ladder at a minimum ____ angle from the floor to the ladder

a) 60 degrees
b) 65 degrees
c) 70 degrees
d) 75.5 degrees

A

75.5 degrees

240
Q

What is the maximum length of a 2 inch trap arm

a) 3 1/2 ft
b) 5 ft
c) 6 ft
d) 10 ft

A

5 ft
the minimum length of a trap may not be less than twice the diameter

241
Q

Handrails must be

a) at least 2 inches from the wall
b) 1 1/2 inches in diameter
c) round or oval
d) not more than 38 inches above the tread nosing

A

not more than 38 inches above the tread nosing

242
Q

How much rebar is required for the wall below if it is 46 ft long and the over lap is 12 inches

image shows 2 rebar

solution

each rebar is 46 + 12 inches + 12 inches (overlap on each side) = 48ft

48 x2 = 96

A
243
Q

What is the minimum height for a kickplate on a door

a) 6 inches
b) 10 inches
c) 12 inches
d) 18 inches

A

10 inches

244
Q

How far from the centerline of a roof valley must the flashing extend

a) 8 inches
b) 12 inches
c) 16 inches
d) 24 inches

A

8 inches

extends 8 inches from centerline each way

11 inches for clay, concrete tiles and others

245
Q

What is specified by term “penny” in reference to nails

a) size
b length
c) type of head
d) material

A

size

246
Q

What type of wood is the most common to use for roof shingles

a) western red cedar
b) redwood
c) spruce
d) teakwood

A

western red cedar

247
Q

If an appliance has ____ or more Freon, a recovery system is required

a) 5 pounds
b) 10 pounds
c) never needs a recovery unit
d) always needs a recovery unit

A

always needs a recovery unit

recovery unit is needed for any amount

248
Q

Which of the following would be used to cut a 2 inch diameter circle

a) jigsaw
b) hole saw
c) arm saw
d) circular saw

A

hole saw

249
Q

What is the minimum gage for galvanized steel roof valley flashing

a) No 16
b) No 24
c) No 26
d) No 30

A

No 26

250
Q

Soldering of a copper pipe fitting is completed when

a) it is 1/2 inch thick
b) the surface is oxidized
c) solder appears all around the joint
d) surface flux is removed with a damp cloth

A

solder appears all around the joint

251
Q

Concrete block is specified for a wall 50 ft long and 6 ft tall. Approximately how many concrete locks 8x8x16 inches are required for the wall

a) 350
b) 450
c) 550
d) 650

A

350

brick dimension is given as depth, width height

so need to use 8 x 16

252
Q

When do you not need an exhaust fan in a bathroom

a) when there is a window
b) when remodeling a pre-existing bathroom
c) for commercial work
d) for residential work

A

when remodeling a pre existing bathroom

253
Q

If a circular slab is 45 ft diameter, how many square feet does it cover

a) 100-500 ft
b) 500-1000 sqft
c) 1000-1500 sqft
d) over 1500 sqft

A

over 1500 sqft

254
Q

The minimum size vent for a water closet is

a) 1 1/2”
b) 2”
c) 3”
d) 4”

A

2”

1 1/2” can be used for 8 fixture unit
3 fixture for toilet, 2 for shower, 1 for faucet

255
Q

Type-C soil have a compressive strength of no more than 0.5 tons/sqft. Which of the following would not be classified as a Type-C soil

a) rounded gravel
b) crushed rock
c) sand or loamy sand
d) water logged soil or submerged unstable rock

A

crushed rock

256
Q

What is the difference between a hip jack rafter and a common rafter

a) there is no difference
b) a hip jack is longer that a common rafter
c) a hip jack run from the top plate to a hip rafter, but a common rafter runs to the ridge board
d) a hip jack doesnt connect with the top plate

A

a hip jack run from the top plate to a hip rafter, but a common rafter runs to the ridge board

257
Q

How deep must PVC electrical conduit be buried in a public area if there is no vehicle traffic

a) 6 inches
b) 12 inches
c) 18 inches
d) 24 inches

A

18 inches

258
Q

Which type of glazing requires Category II safety glass

a) a skylight
b) a sliding glass door
c) where the exposed top edge is less than 36 inches from the floor
d) where the exposed bottom is more than 18 inches from floor

A

a sliding glass door

259
Q

Which tool would you use to apply mortar 1/2 inch thick

a) rake
b) taping knife
c) trowel
d) none of these

A

trowel

260
Q

how do you decide when metal bracket to use

a) ask an engineer
b) ask the local building authority
c) ask at the lumber yard
d) consult the Building Code

A

ask the local building authority

261
Q

On a 4-ply roof, how many inches should be exposed to the weather

a) 1 to 2 inches
b) 2 to 4 inches
c) 4 to 6 inches
d) 8 to 9 inches

A

8 to 9 inches

roll roof is 36 inches wide, but allow 2 inches for overlap.
Thus 34 / 4 is 8.5 inches

262
Q

Can you directly nail hardwood flooring to a concrete slab

a) yes, if the hardwood is water resistant
b) yes, if slab has a vapor barrier
c) yes, if the hardwood has enough weight
d) no, you should never nail it directly

A

no, you should never nail it directly

263
Q

Given that a sloped roof has an area of 1160 sqft, how many rolls of #15 felt are needed to cover the roof with one layer

a) 1
b) 3
c) 11
d) 12

A

15 felt is supplied in 4 square rolls (400 sqft)

3

1200 / 400 = 3 rolls

264
Q

You can use waterproofing paint on the outside of a wall

a) to stop water seepage
b) as an alternative to installing a drain
c) to completely waterproof the wall
d) only when the wall is somewhat damp

A

to stop water seepage

265
Q

Of the following, concrete would be poured against

a) any wood siding
b) cedar or redwood siding only
c) metal flashing
d) metal form material

A

metal form material

266
Q

Which roofing material would be used on a 2:10 sloped roof

a) wood shingles or shakes
b) hot moped coating
c) roll roofing
d) foam roofing

A

roll roofing

267
Q

A stove without insulation must be how many inches away form combustible material

a) 3 inches
b) 6 inches
c) 9 inches
d) 12 inches

A

6 inches

268
Q

If the width of a door that swings away from a landing on a ramp is 26 inches, what is the minimum length of the landing

a) 36 inches
b) 48 inches
c) 60 inches
d) 78 inches

A

60 inches / 5 ft

This is always the minimum length of landing when a door swings away

269
Q

If the width of a door swings towards a landing on a ramp is 36 inches, what is the minimum length of the landing

a) 36 inches
b) 48 inches
c) 60 inches
d) 78 inches

A

78 inches

width of door + 42 inches

270
Q

Dividing volts by amps gives

a) ohms
b) watts
c) amps
d) volts

A

ohms

E (volts) = I(amps) x R(ohms)

other formula
P(watts) = V(volts) x I(amps)

271
Q

Which of the following is a non flammable adhesive

a) release type adhesive
b) alcohol type adhesive
c) contact type adhesive
d) padding cement

A

release type adhesive

272
Q

Which material is commonly used for parquet flooring

a) wood blocks
b) slate
c) wood planks
d) brick

A

wood blocks

273
Q

What is the minimum girder for a 12 ft span under a deck

a) 2” x 4”
b) 4” x 4”
c) 2” x 6”
d) 4” x 8”

A

4” x 8”

274
Q

What is the maximum height for a retaining wall without consulting a structural engineer

a) 3ft
b) 5ft
c) 6 ft
d) 10ft

A

3 ft

275
Q

When backing up a tandem-axle truck at a construction site, the drive should

a) sound the horn on the steering wheel
b) use the back up warning device
c) roll down the window and shout
d) use the side view mirrors

A

use the back up warning device

276
Q

the minimum penetration of a drywall screw into a wood stud is normally

a) 1/2”
b) 5/8”
c) 3/4”
d) 1”

A

5/8”

277
Q

Before wallpaper is applied to new drywall, it should be

a) sanded
b) heated
c) painted
d) sealed

A

sealed

the plaster or the drywall can reduce bonding strength

278
Q

The SDS should be kept at

a) the jobsite
b) the contractor’s office
c) DOSH headquarters
d) the County Recorders office

A

The jobsite

279
Q

If the rafter size is 2 inch x 6 inch, the size of the ridge board should be

a) 2” x 8”
b) 4” x 8”
c) 2” x 6”
d) 4” x 4”

A

2” x 8”

ridge board, connects the peak of rafters creating apex.

280
Q

What are “as build” plans

a) plans provided by the owner
plans provided by the architect
c) plans showing all the changes and repairs
d) rough sketches final plans are based on

A

plans showing all changes and repairs

aka record drawings - shows all change from original plans

281
Q

Who issues the permit for demolition of a building more than 36 ft in hright

a) city authority
b) county authority
c) state authority
d) federal authority

A

state authority

282
Q

When must the stamped grade mark be visible on lumber

a) on all framing members
b) when specified in the plans
c) at the inspector’s discretion
d) never

A

on all framing members

283
Q

How should you treat a first degree burn

a) flush with water and wrap loosely
b) flush with water and wrap tightly
c) apply ointment and wrap loosely
d) apply ointment and wrap tightly

A

flush with water and wrap loosely

284
Q

which type of device is used to determine if there is a load balance on an electrical panel

a) ohmmeter
b) amp probe
c) voltmeter
d) megger

A

amp probe

285
Q

what height should a tile shower drain be

a) above the floor level
b) beneath the floor level
c) flush with the floor
d) does not matter

A

flush with the floor

286
Q

What is the longitudinal tolerance for reinforcing steal ends and bends

a) +- 1 inches
b) +- 2 inches
c) +- 3 inches
d) +- 4 inches

A

+-2 inches

same as latitudinal tolerance

287
Q

Where do you install a vent flashing on a shphalt shingle roof

a) above the roofing paper
b) between shingles
c) beneath sheathing
d) underneath the roofing paper

A

between shingles

288
Q

A Freon recovery system is not required when

a) recharging a small appliance
b) replacing a burned out rotor in a hermetic unit
c) overhauling a rooftop A/C unit
d) scrapping an old refrigeration unit

A

recharging a small appliance

289
Q

when applying asphalt shingles, how far into the sheathing should you drive nails

a) 1/2 inch
b) 5/8 inch
c) 3/4 inch
d) 1 inch

A

3/4 inch

3/4 inch or through the sheathing

290
Q

Which of the following is a recommended method of installing a hardwood flooring over a concrete slab

a) float the floor
b) apply glue
c) use concrete nails
d) use staples

A

float the floor

291
Q

Which is the maximum exposure of 24 inch wood roofing shakes

a) 7 inches
b) 8 inches
c) 9 inches
d) 10 inches

A

10 inches

292
Q

Which is important rule to follow when soldering

a) apply flux to the tubing, not the fitting
b) heat the joint, not the solder
c) make sure the joint is clean and fits well
d) all of the above

A

all of the above

293
Q

what is the minimum compressive strength required for a concrete slab on grade

a) 2000 psi
b) 2500 psi
c) 3000 psi
d) 3500 psi

A

2500 psi

294
Q

What type of material would you use for backfill up to a foundation

a) gravel
b) fill dirt with rye grass to stabillize soil
c) sand
d) no back fill allowed - you must pour concrete up to the existing foundation

A

gravel

295
Q

when do you use a raked joint

a) when the joint is too wide
b) when the mortar is too stiff
c) when the mortar is too soft
d) when the plans call for a specific and even joint depth

A

when the plans calls for a specific and even joint depth

296
Q

In a built-up wood post constructed of three separate pieces of lumber, excessive loading may cause the pieces to buckle away each other. How can this be prevented

a) the pieces should be glued together
b) the pieces should be securely naild together
c) a metal post anchor should be used
d) wooden post should never be built up

A

the pieces should be securely naild together

297
Q

According to the Building Code, the minimum clearance from a masonry fireplace to wood frame member is

a) 0 inches
b) 3/4 inch
c) 1 inch
d) 2 inches

A

2 inches

General contractor (3 decks)

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