Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CA CONTRACTOR LICENSE > TRADE 01 > Flashcards

TRADE 01 Flashcards

1
Q

What is the best method to use to handle an I-beam?

a. Crane
b. Nylon strap
c. Guy-rig
d. Scaffold

A

b. Nylon Strap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Prior to painting, what is the best way to prepare the surface of a metal building?

a. Flame
b. Sandblasting
c. Power tools
d. Hand tools

A

b. Sanblasting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the diameter for scaffold bracing and posts?

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

A

b. 2 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Where is a 4-prong outlet plug used?

a. Within 6 feet of a sink.
b. On the outside surface of a builiding
c. To connect a house trailer or RV vehicle
d. Never

A

c. To connect a house trailer of RV vehicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Tailgate safety regulations require?

a. A safety check every 10 days.
b. A meeting with the foreman every 10 days
c. Posting of safety rules
d. All of the above

A

d. All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

a. Size
b. Length
c. Diameter
d. Weight

A

a. Size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How many square feet will one square of composition shingles cover?

a. 35
b. 48
c. 96
d. 120

A

c. 96

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is a percolation test?

a. Test to determine the drain field under a concrete foundation
b. Test to determine whether the soil is porous enough to absorb effluent water & waste
c. Test to determine vapor pressure
d. None of the above

A

b. Test to determine whether the soil is porous enough to absorb effluent water & waste.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How many square feet of ceiling tile are required for ceiling 11 feet, 3 inches by 12 feet, 9 inches?

a. 145
b. 144
c. 143
d. 132

A

b. 144

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the resistance of ohms, if a 110W is connected to a 220V line?

a. 440
b. 220
c. 40
d. 110

A

a. 440

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The best way to square a room is to:

a. Use a large contractor’s square
b. Make sure opposite sides are square and parallel
c. Measure the distance of each diagonal
d. Cut the boards to the same length

A

b. Make sure opposite sides are square & parallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The problem with a China bristle brush is that:

a. It absorbs water
b. It swells when used with oil-based paint
c. It leaves streaks when applying a clear finish coat
d. It is very expensive

A

a. It absorbs water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Before digging, drilling or excavating at a job site, notify the Regional Underground Service Alert Notification Center?

a. At least 2 working days but not longer than 7 days before beginning work.
b. At least 3 working days but not longer than 7 days before beginning work
c. At least 2 working days but not longer than 14 days before beginning work
d. At least 3 working days but not longer than 14 days before beginning work

A

c. At least 2 working days but not longer than 14 days before beginning work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What can you do to prevent condensation on a cold water pipe in summer?

a. Apply hose clamps
b. Paint the pipe
c. Insulate
d. Condensation can not be prevented

A

c. Insulate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Where do the A 35’s go if used to install truss rafters?

a. Between the truss and on the top plate
b. Between the truss and inside wall
c. Between truss-block and top plate
d. None of the above

A

c. Between truss-block and top plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Handicap restroom must have ___.

a. Wrapped drain lines.
b. Lever handles on faucets.
c. A minimum of 48 inches of space in front of toilets.
d. All of the above.

A

d. All of the above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What kind of gloves is BEST to wear when welding metal studs?

a. Fingerless, since delicate welding procedures require flexibility
b. Heavy horsehide of leather
c. Lightly greased, so the welding equipment will not stick.
d. Thin and light weight, so that they can be worn in the performance of other tasks as well

A

b. Heavy horsehide of leather

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

In what order would lumber be listed, from lowest to highest quality?

a. Utility, standard, #2
b. Standard, S4S, select
c. Standard, select, S4S
d. Standard, Utility, #2

A

d. Standard, Utility, #2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

How should ceramic tile be installed?

a. directly on wood surface or wall
b. with mastic over a sealed surface
c. over wire and paper only
d. none of the above

A

b. with mastic over a sealed surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Where would you find laws regarding high-rise scaffolding?

a. UBC
b. California Building Code
c. California Labor Code
d. Title 8, CSO Construction Safety Orders.

A

d. Title 8, CSO Construction Safety Orders.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which of the following glazing materials CANNOT be used in safety glazing applications?

a. acrylic
b. annealed
c. tempered
d. laminated

A

b. annealed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Before starting a portable round blade power saw, what safety precaution should be taken?

a. Make sure the blade guard is in place.
b. Place the blade against the wood.
c. Stand behind the saw.
d. All the of above

A

a. Make sure the blade guard is in place.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What should a contractor do prior to an inspection?

a. Know the code.
b. Go over the project with the owner.
c. Make sure areas to be inspected are done to specification.
d. Make sure uninspected work is exposed and accessible.

A

d. Make sure uninspected work is exposed and accessible.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which of the following scaffolds is prohibited by Cal/OSHA?

a. Jack Scaffold
b. Ladder jack scaffold
c. Winder jack scaffold
d. Pump jack scaffold

A

a. Jack Scaffold

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

A shear wall in wood frame construction is done by mounting plywood sheathing from the bottom plate to the ____?

a. To the top of the wall
b. To the top plate
c. Not more than 4’ high
d. To the bottom of a window sill

A

b. To the top plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What is the minimum penetration of a drywall screw into a wood stud?

a. 1/4 inch
b. 1/8 inch
c. 1/2 inch
d. 5/8 inch

A

d. 5/8 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

A vertical wall, correctly installed is said to be:

a. upright
b. level
c. plumb
d. square

A

c. plumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Which of the following wires is hot?

a. White
b. Black
c. Green
d. None of the above

A

b. Black

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

If plans and specs do not agree, which is correct?

a. Spec’s supersede plans
b. Plans supersede specs.
c. Conflicts should be arbitrated with the architect.
d. Other.

A

c. Conflicts should be arbitrated(仲裁) with the architect.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

For a pedestrian ramp to a residential building, how large much the landing be if the door swings in?

a. 60 inches by 90 inches.
b. 60 inches by 60 inches.
c. 90 inches by 60 inches.
d. 90 inches by 90 inches.

A

b. 60 inches by 60 inches.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What is the minimum standard height of an exit door?

a. 82 inches
b. 80 inches
c. 78 inches
d. 76 inches

A

b. 80 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

How much rebar is required for a 46’ wall with 2 rods and you must have a 12” overlap?

a. 48’
b. 92’
c. 96’
d. 108’

A

c. 96’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Why is it important for vertical & horizontal rebar to end up in the same bed?

a. Strength.
b. Required by code.
c. Appearance.
d. None of the above.

A

a. Strength.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

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

a. Western Red Cedar
b. Redwood
c. Spruce
d. Teakwood

A

a. Western Red Cedar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What device is used in the field to check for elevations?

a. Level
b. plumb line
c. transit and staff
d. telescope

A

c. transit and staff

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What is the minimum size (in surface square ft.) for a window to be used as an egress or escape?

a. 2.4 square feet
b. 3.0 square feet
c. 4.2 square feet
d. 5.7 square feet

A

d. 5.7 square feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

For tube and brick scaffolds, all posts, ribbons, and bracing must be made of ____ nominal O.D. (outside diameter) steel tubing.

a. 1 inch
b. 2 inch
c. 3 inch
d. 4 inch

A

b. 2 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Every employer in construction work must have an accident prevention program. What must it include?

a. toolbox safety meetings with the crew at least every 10 days.
b. a foreman’s meeting at least once a month
c. a code of safe practices for the job
d. all of the above

A

d. all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Where on a set of plan would you find the bearing walls?

a. Exterior walls
b. Walls earring a super extra load
c. Partition walls
d. Any of these

A

d. Any of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

What kind of “clips” are used to eliminate the need for blocking at roof panel seams spanning trusses or rafters?

a. A35 clips
b. H-clips
c. H3 clips
d. Truss clips

A

b. H-clips

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

The vertical length of the extended part of a trestle ladder must not be greater than ____ of the height of the base ladder?

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

A

b. 1/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What action must be taken upon the discovery of Native American human remains or burial artifacts at a construction site?

a. Continue working, but don’t disturb any human remains or artifacts
b. Stop work immediately at the site, but continue to work in any nearby construction areas.
c. Stop work immediately at the site and any nearby area reasonably suspected to have remains.
d. Continue working

A

c. Stop work immediately at the site and any nearby area reasonably suspected to have remains.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

The maximum permitted height for ladder-jack scaffold is?

a. 8 feet
b. 10 feet
c. 12 feet
d. 16 feet

A

d. 16 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Where should a contractor look, to determine the correct size of electrical conductor for a specific task?

a. National Electrical Code (NEC)
b. Underwriters Laboratory Recommendations.
c. Uniform Building Code.
d. California Construction Code.

A

a. National Electrical Code (NEC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Wood studs supporting headers are usually called?

a. Header studs
b. Cripple studs
c. Standard studs
d. Trimmer studs

A

d. Trimmer studs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

A handrail shall extend at least ____ inches beyond the top and bottom risers.?

a. 6”
b. 8”
c. 12”
d. 14”

A

c. 12”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

An appliance has a resistance of 24 Ohms and draws 0.5 Amp. According to the Ohm’s Law, what voltage should be supplied?

a. 12 Volts
b. 24 Volts
c. 30 Volts
d. 20 Volts

A

a. 12 Volts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

When may a contractor install battery-operated smoke detectors?

a. Anytime a smoke detector is required
b. When the building is constructed of concrete
c. In non-living quarters
d. Only in residential buildings

A

d. Only in residential buildings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

How many board feet are in one piece of lumber 6 inch by 8 inch by 12 ft.?

a. 72
b. 48
c. 144
d. 576

A

c. 48 board feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

What is the minimum size framing member needed for R-22 insulation?

a. Metal
b. 4 X 4
c. 2 X 6
d. 2 X 4

A

c. 2 X 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

The cost of a 4’ X 8’ sheet of plywood is $22.00. What would be the total cost of plywood for the sub floor of a room measuring 16’ X 24’?

a. $132.00
b. $264.00
c. $396.00
d. $528.00

A

b. $264.00

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

A bricklayer’s jump board, no higher than ____ above the scaffold platform, is allowed.

a. You are not allowed to stack bricks on a scaffold platform.
b. 20”
c. 18”
d. 12”

A

b. 20”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

What is the maximum drop when pouring concrete?

a. 4 feet
b. 6 feet
c. Enough to avoid segregation
d. 8 feet

A

b. 6 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

In calculating the order for sheetrock in a building, which method is usually the BEST?

a. length times height of each applicable surface
b. lumber yard material take off
c. lineal footage X 2
d. square footage of building

A

a. length times height of each applicable surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Which building codes apply when working on a private residence in a city?

a. the codes of the county where the work is done
b. federal codes which supersede all local codes
c. the codes determined to be acceptable by the local city building department
d. state codes

A

c. the codes determined to be acceptable by the local city building department

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

A device draws 3 Amps at 120 V. According to Ohm’s Law what is the resistance?

a. 10 Ohms
b. 20 Ohms
c. 30 Ohms
d. 40 Ohms

A

d. 40 Ohms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

In order to ensure the integrity of the shear panel, what should nail do?

a. penetrate the membrane 1/16 inch
b. penetrate the membrane 3/32 inch
c. penetrate the membrane 1/8 inch
d. not penetrate the membrane

A

d. not penetrate the membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

Copper fittings must be?

a. Threaded at one end
b. Threaded at both ends
c. Soldered
d. Flanged

A

c. Soldered

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

What is a safe grounding method for metallic water lines?

a. mechanical bond to ground source
b. mechanical bond to ground electrode
c. mechanical bond to an electrical panel
d. mechanical bond to the main electrical panel

A

a. mechanical bond to ground source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Which of the following is used to countersink a nail?

a. Screwdriver
b. Nail set
c. Punch set
d. Countersink attachment

A

b. Nail set

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Which of the following tools require a constant contact on/off switch?

a. Powered tampers
b. Rock drills
c. Circular Saw
d. All of the above

A

c. Circular Saw

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

Exterior type plywood used for outside walls must not be less than ____ thick?

a. 1/4”
b. 1/2”
c. 3/8”
d. 3/4”

A

c. 3/8”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

A board supported by bricks on scaffold platform is called ____.

a. Illegal.
b. A jump board.
c. A jack board.
d. A ribbon ledger.

A

b. A jump board.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

You can use a cast iron pipe for?

a. Gutter drains
b. Pressure lines
c. Acid waste systems
d. None of the above

A

a. Gutter drains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Length of time for grout to dry is:

a. 6 hours
b. 12 hours
c. 36 hours
d. 72 hours

A

d. 72 hours

66
Q

Dielectric unions are used?

a. To protect against corrosion by acids
b. Because they are malleable
c. Because they do not rust
d. To prevent electrolysis

A

d. To prevent electrolysis

67
Q

Which of the following statement is NOT true about earthquake construction?

a. The type of wall affects its stability
b. Horizontal & vertical bracing affects its stability
c. Shear wall represent vertical bracing
d. Symmetrical construction is more stable

A

c. Shear wall represent vertical bracing

68
Q

What is the BEST procedure to minimize voids in concrete when laying large areas?

a. Vibrate & Tamp the concrete
b. Adjust the mix to increase plasticity.
c. Strick forms with hammer or heavy object.
d. Rod around all imbeds.

A

a. Vibrate & Tamp the concrete

69
Q

Where 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. Interior wall away from doors

A

c. Exterior wall under a window

70
Q

A garage has a volume of 180,000 cubic feet. In order to exchange the air 4 times per hour, how many exhaust fans must be installed if each fan is capable of removing 1000 cubic feet per minute?

a. 6
b. 8
c. 12
d. 15

A

c. 12

71
Q

The maximum height of handicap (accessible) ramp without an intermediate landing is?

a. 18”
b. 3’
c. 5’
d. 10’

A

c. 5’

72
Q

How far should sheetrock be nailed from the edge?

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

A

b. 3/8 inch

73
Q

When considering the conditions relevant to a building site and its drainage plan, which of the following should be reviewed?

a. set backs
b. Existing drainage flows
c. Drainage need for new structure
d. All of the above

A

c. Drainage need for new structure

74
Q

____ is the best for rubbing and scratch resistance.

a. Latex
b. Polyurethane
c. Oil base
d. Lacquer

A

b. Polyurethane

75
Q

Roof drains & overflow drains must have a strainer that extends at ____ above the roof?

a. 2”
b. 3”
c. 4”
d. 6”

A

c. 4”

76
Q

2” X 4” wood studs supporting a floor, ceiling and roof may be spaced up to ____ on center?

a. 12”
b. 24”
c. 16”
d. 18”

A

c. 16”

77
Q

What are the “Clips” used for when working with pre-fabricated rafter sections?

a. Joining rafters to themselves
b. Joining a rafter to an inside wall
c. Joining a rafter to another rafter
d. Connecting pieces together to form a whole rafter

A

b. Joining a rafter to an inside wall

78
Q

What is specified by the term “Penny” in reference to nails?

a. Size
b. Length
c. Diameter
d. Weight

A

a. Size

79
Q

The safety valve on a portable air compressor should be popped at least?

a. Daily
b. Weekly
c. Bi-Weekly
d. Monthly

A

b. Weekly

80
Q

Natural gas fuel line may NOT be installed in which of the following locations?

a. in interior walls
b. in exterior walls
c. on roofs
d. Under foundations

A

d. Under foundations

81
Q

Asphalt shingles should have a overhang of ____ for the starter course.

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

A

b. 3/4 inch

82
Q

An important safety rule for mobile cranes is that extreme caution must be used when traveling with over 50% capacity loads. If a crane has a 30 ton capacity, this would occur with loads greater than what weight?

a. 3 ton
b. 6 ton
c. 10 ton
d. 15 ton

A

d. 15 ton

83
Q

The constant-contact, on-off switch on a circular saw can be disabled:

a. by the contractor
b. by placing the saw blade next to the material being cut
c. by any worker
d. never

A

d. never

84
Q

In what seismic zones are angle-braced shear walls allowed?

a. They are never allowed
b. Zones 3 & 4
c. Zones 2 & 3
d. Zones 0, 1 & 2A

A

d. Zones 0, 1 & 2A

85
Q

What should a contractor do when considering which type of caulking to use to stucco exteriors?

a. Use flexible caulking.
b. Consult with the painting contractor
c. use latex caulking.
d. use material designed to be compatible with stucco products.

A

d. use material designed to be compatible with stucco products.

86
Q

Beam-type platforms for suspended scaffolds must have stringers of lumber at least ____ set on edge.

a. 2” X 4”
b. 2” X 6”
c. 2” X 8”
d. 4” X 6”

A

b. 2” X 6”

87
Q

Tempered glass is required for ONE of the following.

a. Sliding glass door
b. When a window is 30 inches above the floor.
c. When a window is within 18 inches of a door.
d. Exposed bottom edge is more than 18” from the floor

A

a. Sliding glass door

88
Q

A Voltmeter is wired:

a. In parallel to test a de-energized circuit.
b. In parallel to test an energized circuit.
c. In series to test a De-energized circuit.
d. in series to test an energized circuit.

A

b. In parallel to test an energized circuit.

89
Q

How long and under how much pressure do you pressure test a residential water system?

a. 10 psi, 15 min
b. 20 psi, 10 min
c. 50 psi, 10 min
d. 50 psi, 15 min

A

d. 50 psi, 15 min

90
Q

What is the difference between a loan bearing wall & a non-load bearing wall?

a. No foundation bolts are needed on a non-load bearing wall.
b. No foundation is needed under a non-load bearing wall.
c. A non-load bearing wall does not need shear panels
d. All of the above

A

d. All of the above

91
Q

What is the minimum size allowed for a water supply pipe to a residential building?

a. 1/2”
b. 3/4”
c. 1”
d. 1 1/2”

A

b. 3/4”

92
Q

What color paint is used to mark underground water lines?

a. Green
b. Blue
c. Yellow
d. White

A

b. Blue

93
Q

What happens to insulation that has picked up moisture?

a. It will insulate better.
b. it will insulate the same as before the moisture.
c. it will restore itself to its original condition.
d. It will lose its insulating value.

A

d. It will lose its insulating value.

94
Q

What is the size (diameter) of #5 rebar?

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

A

c. 5/8 inch

95
Q

Which shingles are not fire rated?

a. Class A
b. Class D
c. Composition
d. Shake

A

b. Class D

96
Q

The reason an 18 clearance is required from the bottom of floor joists to the finish grade, is to:

a. Protect from moisture
b. Avoid flooring.
c. Control termite infestation.
d. Allow for crawl space.

A

d. Allow for crawl space.

97
Q

What is the proper nail spacing on center (OC) in a plywood shear wall?

a. 3” OC
b. 6” OC
c. 8” OC
d. 12” OC

A

b. 6” OC

98
Q

The maximum distance between nails in drywall is:

a. 4” inches
b. 6 inches
c. 8 inches
d. 10 inches

A

c. 8 inches

99
Q

What does MSDS stand for?

a. material safety data sheet
b. mine safety and dwelling safety
c. miscellaneous safety and data sheet
d. material structure design sheets

A

a. material safety data sheet

100
Q

Rooms with limited ventilation would best be heated with a ____ appliance.

a. Gas
b. Oil
c. Electric
d. Solar energy

A

c. Electric

101
Q

The terms “stiles” and “rails” would be relative in the construction of :

a. Roofing
b. Cabinets
c. Doors
d. Stairs and framing

A

c. Doors

102
Q

Where would you NOT use “WR” (greenboard) or water-resistant sheetrock?

a. Bathroom ceiling
b. Under the sink.
c. Behind the shower tiles.
d. Living room walls.

A

d. Living room walls.

103
Q

Where should a doorjamb be shimmed?

a. At the top.
b. On the hinge side.
c. On the hinge and lock side with three on each side.
d. A doorjamb should not need to be shimmed.

A

c. On the hinge and lock side with three on each side.

104
Q

Every scaffold is required to provide:

a. Safe access
b. Stairs
c. Belts
d. Toe rails

A

a. Safe access

105
Q

In determining which size and type of rafter to use in construction, a contractor should consider three factors. The first two factors are the distance spanned and the weight supported. What is the third?

a. the spacing of the rafters
b. the spacing of the joists
c. the type of sheeting to be used
d. the height of the walls.

A

a. the spacing of the rafters

106
Q

If a (live), bare wire touches any grounded object, tool, or other conducting material, which device will protect a worker from electrical shock?

a. fuse
b. circuit breaker
c. retrofit adapter
d. ground-fault circuit-interrupter

A

d. ground-fault circuit-interrupter

107
Q

You need to drill a small hole in a concrete slab on a monolithic pour with post tension cables, what do you do?

a. Have it X-rayed.
b. Go by engineer’s specs.
c. Go ahead and drill a small hole.
d. You may not drill a hole because of the danger of encountering the post tension cables.

A

a. Have it X-rayed.

108
Q

Before installing a new driveway approach, who should the contractor first contact?

a. Cal Trans
b. Department of Public Works
c. Building Department
d. Planning Department

A

c. Building Department

109
Q

New residential buildings must comply with the energy requirements described in which document?

a. Title 24
b. ICBO 1107
c. ANSI Title 17
d. ASHRAE 27

A

a. Title 24

110
Q

A truck bed is 6 feet wide, 9 feet long, and 3 feet high. How many cubic yards will it hold when loaded level to the sides?

a. 6
b. 9
c. 18
d. 54

A

a. 6

111
Q

Use an ohmmeter to test which of the following circuits?

a. Energized circuit wired in parallel
b. De-energized circuit wired in parallel
c. Energized circuit wired in series
d. De-energized circuit wired in series

A

b. De-energized circuit wired in parallel

112
Q

A general contractor notices the closer on a 1-hour fire rated door between living area and the garage has not been installed, the project already given a certificate of occupancy by the building department. What should he/she do?

a. Disregard it since the certificate of occupancy has been obtained.
b. Meet with a building official, and resolve the problem.
c. Fix the problem.
d. Refer the problem back to the architect.

A

c. Fix the problem.

113
Q

What materials are used for vents?

a. Cast iron, plastic, & brass
b. Cast iron, copper & brass
c. Galvanized steel & copper
d. All of the above

A

d. All of the above

114
Q

What is the minimum fine for incorrect removal of asbestos?

a. $500
b. $1000
c. $2000
d. $5000

A

b. $1000

115
Q

Which of the following has more amperage?

a. 15 amp
b. 20 amp
c. 10 kiloamps
d. 5 milliamps

A

c. 10 kiloamps

116
Q

Before deciding where a septic tank should be installed, what first step is recommended?

a. Consult a soil engineer and perform percolation tests.
b. Dig several test holes and percolate water using a stopwatch for a time check for evaporation.
c. Call the local authority and obtain requirements of where to locate the system.
d. Call a geographical engineer and do soil compaction tests.

A

a. Consult a soil engineer and perform percolation tests.

117
Q

An employer must test the air at a work place for asbestos concentration if it exceeds ____ fibers/cc are over an 8-hour period. ?

a. 0.1
b. 1.0
c. 1.5
d. 2.0

A

a. 0.1 fibers/cc

118
Q

Which of the following is NOT likely to be found in significant portions in granular soil?

a. Gravel
b. Sand
c. Silt
d. Clay

A

d. Clay

119
Q

What is the minimum size for a service-drop line?

a. #4 wire
b. #8 copper in cable
c. #6 non-cable
d. #8 wire

A

b. #8 copper in cable

120
Q

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

a. 1/2 : 1
b. 3/4 : 1
c. 1 : 1
d. 1-1/2 : 1

A

c. 1 : 1

121
Q

If a material contains more than ___ asbestos & is sanded, ground, blasted, sawed, cut, shoveled, removed or handled so as to product dust during construction, it must be reported to Cal/OSHA authorities?

a. 0.1%
b. 0.5%
c. 5.0%
d. 10.0%

A

a. 0.1%

122
Q

Romex is:

a. A cable puller
b. A type garbage
c. A concrete additive
d. Non metallic sheathed cable.

A

d. Non metallic sheathed cable.

123
Q

A solder joint is:

a. Fused
b. Laminated
c. Flanged
d. Illegal

A

a. Fused

124
Q

Extension ladders must overlap at least ____ of the working length?

a. 1%
b. 5%
c. 10%
d. 20%

A

c. 10%

125
Q

Over an 8-hour period, an employee must not be exposed to more than ____ asbestos fibers/cc air, as determined by the membrane filter method for test concentrations?

a. 0.2
b. 1.0
c. 1.5
d. 5.0

A

a. 0.2

126
Q

Suppose the cost of 2”x6”x6’ board is $700.00/1000 board feet (BF), and a maximum of 4 usable pieces can be cut from each board. What is the estimated cost of lumber required for a row of ceiling joist blocks across a 16’ ceiling if the joists are spaced 16” O.C.?

a. $6.30
b. $11.20
c. $12.60
d. $14.20

A

c. $12.60

127
Q

The pitch of a roof with a 12 foot run and an 18 foot rise is:

a. 3/4
b. 1/4
c. 8/12
d. 3/5

A

a. 3/4

128
Q

Where is a Tee Wye (TY) used?

a. Plumbing
b. Electrical
c. Concrete
d. Air conditioning

A

a. Plumbing

129
Q

In most truss roof designs, the trusses are supported by?

a. Bearing walls
b. Non bearing walls
c. Ballon walls
d. All of the above

A

a. Bearing walls

130
Q

Safe access to a scaffold platform must be proved for a scaffold over ____ in height?

a. 3’
b. 4’
c. 5’
d. All platforms

A

d. All platforms

131
Q

The minimum thickness for shear wall sheathing is?

a. 3/8”
b. 1/2”
c. 5/16”
d. 1”

A

c. 5/16”

132
Q

How are interior walls attached to joists?

a. Three 16 d nails
b. Three 8 d nails
c. With a joist bracket
d. None of the above

A

b. Three 8 d nails

133
Q

Which statement is correct concerning oily rags stored at a job site?

a. They may not be stored at a job site
b. They can be stored at a job site in plastic bags
c. They can be stored at a job site in sealed containers
d. They need to be stored off premises

A

c. They can be stored at a job site in sealed containers

134
Q

When used for fastening plates to concrete or masonry foundations, steel anchor bolts must be set a least ____ deep and spaced no more than ____ apart?

a. 7”—4’
b. 7”—6’
c. 8”—4’
d. 9”—6’

A

b. 7”—6’

135
Q

One cubic yard of cement will pour her many feet of walkway which is 4 inches thick and 3 feet wide?

a. 21
b. 27
c. 32
d. 39

A

b. 27

136
Q

The minimum slope of a self sealing, double lapped shingle roof is:

a. 2/12
b. 6/12
c. 8/12
d. 4/12

A

d. 4/12

137
Q

Which of the following sidings offers the greatest support for vertical sheathing?

a. Horizontal plywood
b. Vertical plywood
c. Stucco
d. Base board

A

b. Vertical plywood

138
Q

A cripple wall would most likely be found:

a. Above a rood
b. Above a foundation
c. Above a floor joists
d. Below a window

A

b. Above a foundation

139
Q

What is the formula for the area of a circle?

a. Pi x diameter x diameter
b. Pi x radius x radius
c. Pi x 1/2 diameter x diameter
d. P x 1/2 radius x 1/2 radius

A

b. Pi x radius x radius

140
Q

The maximum type of timber shoring used in a trench specified in the California Code of Regulations Title 8 is:

a. Redwood
b. Birch
c. Douglas fir
d. Mixed oak

A

c. Douglas fir

141
Q

Which of the following statements must be TRUE of raised foundation ventilation?

a. it must equal 1.5 square feet per 25 lineal feet
b. it must be placed between every floor joist.
c. it must be at every corner of the building.
d. it must be 3 square feet per 25 lineal feet.

A

a. it must equal 1.5 square feet per 25 lineal feet

142
Q

you are testing a low-voltage circuit in a system that is not functioning properly. you insert the probes of a test light into the two slots of a 12V receptacle, and the test light comes on. You would conclude:

a. The circuit wiring is defective
b. The receptacle is defective
c. The test light is defective
d. Both the circuit and the receptacle are defective

A

a. The circuit wiring is defective

143
Q

What pipe is used for both drainage and venting?

a. ABS & Cast Iron for both
b. Cast Iron for drain, ABS for vent
c. ABS only
d. Cast Iron only

A

a. ABS & Cast Iron for both

144
Q

Which of the following is NOT a good safety procedure when dealing with acid?

a. Wear close-fitting goggles.
b. Wear fabric (cloth) gloves.
c. Pour acid into water, not water into acid.
d. Store in properly vented areas.

A

b. Wear fabric (cloth) gloves.

145
Q

Metal forms should be ____ rather than wetted?

a. presoaked
b. oiled
c. sanded
d. plastic-lined

A

b. oiled

146
Q

What is green board used for?

a. Bathroom walls.
b. Roof sheathing.
c. Under an eve in a damp climate.
d. Kitchen ceiling.

A

a. Bathroom walls.

147
Q

What are the coats (from first to last) for exterior stucco?

a. Scratch coat, finish coat
b. Scratch coat, brown coat
c. Scratch coat, brown coat, finish coat
d. Scratch coast, finish coat, brown coat

A

c. Scratch coat, brown coat, finish coat

148
Q

What size rebar should be placed in a bond beam?

a. #2
b. #5
c. #4
d. #6

A

c. #4

149
Q

The climate zones of California (there are 16 of them), have been established for energy standards, they provide:

a. Weather data
b. Energy budgets
c. Prescriptive packages
d. All of the above.

A

d. All of the above.

150
Q

A device with a resistance of 20 ohms is connected to a 120 V circuit. According to Ohm’s law, how many amps will it draw?

a. 2 Amps
b. 4 Amps
c. 6 Amps
d. 8 Amps

A

c. 6 Amps

151
Q

In order to prevent confusion from other work at a job site, contractors mark excavating at a job site with what color of chalk line?

a. White
b. Pink
c. Red
d. Yellow

A

a. White

152
Q

What is the minimum underlayment on a smooth floor surface?

a. 1/4”
b. 3/8”
c. 1/2”
d. 5/8”

A

a. 1/4”

153
Q

What is the minimum slope permissible for a composition shingle roof?

a. Flat
b. 2/12
c. 4/12
d. 6/12

A

b. 2/12

154
Q

Intervals (spans) between roof jacks must not be more than?

a. 5’
b. 10’
c. 15’
d. 20’

A

b. 10’

155
Q

How do you join cast iron to copper on waste & vent systems?

a. No hub coupling
b. Lead & Oakum
c. Brass coupling
d. PVC

A

a. No hub coupling

156
Q

In determining the size and type of foundation footing required, which one of the following factors should be considered?

a. The placement of anchor bolts
b. The type of reinforcing steel used
c. The type of forming material used
d. The soil bearing capacity

A

d. The soil bearing capacity

157
Q

What is the minimum permitted fire-resistive wall, rating between a house and a attached garage?

a. 1 hr.
b. 2 hrs.
c. 1-1/2 hrs.
d. 4 hrs.

A

a. 1 hr.

158
Q

What is the minimum length of a cripple stud in a bearing wall?

a. 12”
b. 14”
c. 16”
d. 18”

A

b. 14”

159
Q

The slope of a ramp for disabled access must not exceed?

a. 2%
b. 4%
c. 6%
d. 8%

A

d. 8%

160
Q

When a general contractor is obtaining material for a certain structure, what is the MOST reliable source of information concerning the grade of lumber to be used?

a. UBC
b. local building department
c. local building association
d. engineer/architect plans

A

a. UBC

161
Q

What kind of “Clips” would not be used for attaching truss rafters to the top plate of an outside wall?

a. Types AL and AR connectors
b. Metal tie-downs, Hurricane ties or MTS ties
c. Truss clips
d. A 35’s

A

c. Truss clips

CA CONTRACTOR LICENSE (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions