General B Test 1 Flashcards
1
Q
The drain for a pressure relief valve on a water heater should be extended to:
a) the kitchen or washroom b) a basement
c) a waste line
d) the outside of the building
A
d) the outside of the building
2
Q
2) What is the MAXIMUM height from which concrete should be poured is:
a) 1 1/2 feet
b) 3 feet
c) 4 feet
d) 6 feet
A
d) 6 feet
3
Q
3) When a stairway serves a public building, what is the MINIMUM number of steps for which a handrail is required?
a)1
b)2
c)3
d)4
A
b)2
4
Q
4) If unused mortar stiffens due to hydration of cement, what must you do? a) re-temper the mortar
b) wet the cement
c) discard the mortar
d) add more water
A
c) discard the mortar
5
Q
5) What is the MINIMUM length of a handrail extension if one is required
for a stairway?
a) 6”
b) 10”
c) 12”
d) 16”
A
c) 12”
6
Q
6) Beam type platforms for suspended scaffolds must have stringers of lumber at least _____ set on edge.
a)1” x 2”
b)2” x 4”
c)2” x 6”
d)2” x 8”
A
c)2” x 6”
7
Q
7) Cemented soil:
a) contains sand and gravel that are fused by high heat
b) cannot be crushed into individual particles with fingers
c) is distinguished from granular by the presence of clay d) can sometimes be crushed to a powder with the fingers
A
b) cannot be crushed into individual particles with fingers
8
Q
8) The wall between a garage and a bedroom must be at least: a) 1/2” green board
b) 1/2” drywall
c) 2 Layers of 5/8” drywall
d) 2 layers of 3/8” drywall
A
d) 2 layers of 3/8” drywall
9
Q
9) What minimum time must you wait before caulking or grouting new tiles?
a)1 Day
b)1 to 2 Days
c)2 to 3 Days
d)3 to 4 Days
A
b)1 to 2 Days
10
Q
10) What maximum slope is specified by the UBC for a required handicap ramp?
a) 1:8 (12.5%)
b) 1:10 (10.0%)
c) 1:12 ( 8.3%)
d) 1:15 ( 6.7%)
A
c) 1:12 ( 8.3%)
11
Q
11) In cold climates, you cover freshly poured concrete to prevent:
a) hydration
b) freezing
c) warping
d) discoloration
A
b) freezing
12
Q
12) Which of the following would you use to install roofing tiles?
a) masonry saw
b) any roofing tool
c) roofer’s hatchet
d) masking tape
A
a) masonry saw
13
Q
13) Greenboard would be used for?
a) bathroom walls
b) kitchen ceiling
c) under the eaves in a damp climate d) roof sheathing
A
a) bathroom walls
14
Q
14) If you are a general contractor, you should call a specialty contractor when:
a) HVAC equipment must be installed
b) you need to work with 240 volts
c) a gas furnace is involved
d) you encounter an unfamiliar trade
A
d) you encounter an unfamiliar trade
15
Q
15) Where would be the best place to look for a roof leak?
a) holes in shingles
b) ridge lines
c) valley flashings
d) gutters
A
c) valley flashings
16
Q
When do you need bracing for a drywall wall?
a) diagonal bracing is needed every 25’ for any drywall wall.
b) load bearing wall
c) shear wall
d) non- load bearing wall
A
a) diagonal bracing is needed every 25’ for any drywall wall.
17
Q
In framing, What is a lookout?
a) an optical leveling telescope
b) a safety watchperson on duty during scaffold construction
c) a cantilevered beam
d) a large upper story window
A
c) a cantilevered beam
18
Q
How should you clear the roots from a construction site?
a) there is no need to clear roots
b) clear roots to 12” below grade
c) clear all roots around the building
d) use trencher to cut 6’ deep and 12’ from buildings
A
b) clear roots to 12” below grade
19
Q
In a work space, travel distance to a fire extinguisher must not be more than how many feet?
a) 25 c) 50
b) 35
d) 75
A
d) 75
20
Q
When nailing roofing, the nail heads:
a) should never be overdriven
b) should be brought almost to the surface of the shingle c) should not exert any pressure on the roofing
d) all of the above
A
d) all of the above
21
Q
How long should you wait before sealing new tile work?
a)1 day
b)2 days
c) 3 days
d) 2 weeks
A
d) 2 weeks
22
Q
When would you use a 1.5 gpm fixture?
a) you want to conserve water
b) there is a draught
c) there is not enough water pressure
d) none of the above
A
a) you want to conserve water
23
Q
Where do you need a fire wall?
a) between a bedroom and a bathroom
b) between a kitchen and any other room
c) between a living room and a bedroom
d) a separation wall between a dwelling and an attachment
A
d) a separation wall between a dwelling and an attachment
24
Q
In construction, a hazardous area should be marked with what color
tape?
a) red
b) yellow and black caution tape
c) blue
d) yellow
A
d) yellow
25
How far above a swimming pool do power lines have to be?
a) 10 feet
b) 12 feet
c) 18 feet
d) 24 feet
c) 18 feet
26
When working on rolling scaffolding, which of the following statements is correct?
a) The scaffold must be able to support four times the designed weight limit.
b) Scaffold wheels must be locked when in position.
c) A locking system is required for each wheel.
d) all of the above
d) all of the above
27
When do you NOT need an exhaust fan in a bathroom?
a) when there is a window
b) when remodeling a preexisting bathroom
c) for commercial work
d) in a half-bath that does not include a tub or shower
a) when there is a window
28
The unit of heating and cooling is:
a) Btu
b) Volt
c) Amp
d) Ohm
a) Btu
29
What is the minimum cover for rebar in a concrete footing cast against and permanently exposed to earth?
a) 2"
b) 3"
c) 4"
d) 3.5"
b) 3"
30
What would you use to header a 4' opening? a) 4" x 6" continuous
b) double 2" x 8"s with plywood filler
c) 4" x 4" continuous
d) 2" x 8" continuous
c) 4" x 4" continuous
31
The tool used to carry grout needed to patch a small hole is a:
a) hawk
b) poling board
c) spot board
d) mason's scutch
c) spot board
32
What does a high slump test indicate?
a) no reinforcement required
b) too little water
c) high compressive strength
d) too much water
d) too much water
33
Which tool would you use to apply mortar 1/2" thick?
a) rake
b) trowel
c) taping knife
d) none of the above
b) trowel
34
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"
35
Triple walled metal chimney installations are regulated by:
a) UAC
b) UBC
c) UMC
d) UPC
c) UMC
36
Lightweight concrete is best used for:
a) curb and gutter
b) second floor decking
c) first floor slab on grade
d) footings
b) second floor decking
37
What sort of subfloor material would you use if the edges meet over the floor joist?
a) plywood
b) concrete
c) particle board
d) S4S girders
a) plywood
38
Unstable dry rock, angular gravel, sandy loam, and cohesive soils having compressive strengths greater than 0.5 and less than 1.5 tons/sq ft (tsf), are typical examples of:
a) earth materials, but "rock" is not considered a soil
c) Type-B soils
b) Type-A soils
d) Type-C soils
c) Type-B soils
39
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
40
Soldering of a copper pipe fitting is completed when:
a) it is a minimum of 1/2" thick
b) the surface is oxidized
c) solder appears all around the joint
d) surface flux is removed with a damp cloth
c) solder appears all around the joint
41
What kind of door would you install for someone with a disability?
a) automatic with minimum of 3 seconds to close
b) automatic with maximum of 5 seconds to open
c) manual with maximum of 8.5 pounds to operate
d) either A or C
d) either A or C
42
How many diameters is the minimum lap (overlap) between sections of rebar in reinforced masonry?
a) 12
b) 24
c) 30
d) 32
c) 30
43
What material do you use to clean brushes and spills when painting with alkyd ("oil") paints?
a) paint thinner
b) gasoline, kerosene or diesel fuel
c) Soap and water
d) alcohol
a) paint thinner
44
How do you decide which metal bracket to use?
a) Consult UBC
b) Ask lumber yard
c) Ask engineer
d) Ask local building authority
d) Ask local building authority
45
What is the correct sequence for installing a vapor barrier?
a) shear panel - siding - paper
b) shear panel - paper - siding
c) paper - siding - shear panel
d) siding - shear panel - paper
b) shear panel - paper - siding
46
What is the slope in degrees of a roof with a rise of 12 and a run of 12?
a) 22.5 degrees
b) 45.0 degrees
c) 60.0 degrees
d) 90.0 degrees
b) 45.0 degrees
47
When should you float a concrete surface? a) when just poured
b) 20 minutes after pouring
c) as soon as the water sheen evaporates
d) when it begins to stiffen
c) as soon as the water sheen evaporates
48
In electrical work, the green wire is the:
a) grounding conductor
b) neutral or common
c) cool wire
d) hot conductor or "Load"
a) grounding conductor
49
How many days should you wait between the scratch coat and the brown coat when plastering?
a) There is no need to wait
b) 1
c)2
d)3
c)2
50
Where should the first upper cabinet be installed?
a) at an open end
b) at an inside corner
c) by the range
d) at the refrigerator
b) at an inside corner
51
Basement concrete walls should have a minimum test PSI at 30 days of:
a) 1000
b) 2000
c) 3000
d) 4000
c) 3000
52
What is the longest length ladder that CAL/OSHA approves?
a) 34'
b) 44'
c) 48'
d) 36'
b) 44'
53
If a vendor fails to provide an MSDS, you have the right to call:
a) Cal/OSHA or DOSH
b) CSLB
c) Workers' compensation carrier
d) As a state licensed contractor, you are obligated to contact Cal/OSHA or DOSH and CSLB
a) Cal/OSHA or DOSH
54
Which of the following is a type of wood block flooring?
a) parquet
b) wood mosaic
c) wood tile
d) all of the above
d) all of the above
55
55) A material CANNOT be classified as Type-A soil if it is fissured, previously disturbed, or:
a) subject to vibration from heavy traffic or pile driving
b) contains a large proportion of clay material
c) contains caliche or hardpan
d) has a high compressive strength
a) subject to vibration from heavy traffic or pile driving
56
Fiberglass insulation for walls should be attached to:
a) the interior of the studs
b) the face of the studs
c) the top and bottom of the studs
d) there is no need to attach
d) there is no need to attach
57
Who may remove asbestos?
a) contractor with Asbestos Certification on license
b) General Building contractor
c) General Engineering contractor
d) a Hazardous Substances Removal Contractor
a) contractor with Asbestos Certification on license
58
When you install iron bars on an emergency escape or rescue window, what is NOT required?
a) a key lock to open from the outside
b) smoke detector
c) the ability to open from the inside without a key
d) all of the above are required
a) a key lock to open from the outside
59
How should a residential water heater be protected from earthquakes?
a) attach to wall
b) attach to floor
c) hang guy wires from ceiling
d) placement in a small closet is sufficient
a) attach to wall
60
Metal forms should be:
a) oiled
c) placed against gravel
b) watered
d) discarded after each use
a) oiled
61
What type of felt underlayment should you use for metal tiles?
a) 15 pound.
b) 30 pound or two piles of 15 pound.
c) 40 pound.
d) Underlayment is not required.
b) 30 pound or two piles of 15 pound.
62
Which type of window requires tempered glass?
a) exposed bottom edge is more than 18" from the floor
b) exposed top edge is less than 18" from the floor
c) sliding glass door
d) skylight
c) sliding glass door
63
For safety reasons, the maximum simple slope of an excavation, up to 20 ft deep, in Type-B soil is:
a) 1/2:1 (63°)
b) 3/4:1 (53°)
c) 1:1 (45°)
d) 1-1/2:1 (34°)
c) 1:1 (45°)
64
Stiles and rails are used on which of the following?
a) slabs
b) windows
c) furred walls
d) roofs
b) windows
65
Which of the following is NOT likely to be found in significant proportions in granular soil?
a) clay
b) gravel
c) silt
d) sand
a) clay
66
A self closing door is best for a doorway between:
a) kitchen and garage
b) kitchen and basement
c) bedroom and hallway
d) kitchen and laundry
a) kitchen and garage
67
When you say a wall is "perfect," it is:
a) plumb
c) level
b) stable
d) level, straight and plumb
b) stable
68
How many nails should be used to install a metal edge bead in a drywall job?
a) nails in all holes, and opposite each other b) nails in 80% of holes
c) nails in 25% of holes
d) every 6" on both sides
d) every 6" on both sides
69
How many board feet are in a 5"D x 6"W x 20'L beam?
a) 30
b) 40
c) 50
d) 60
c) 50
70
How many days in advance must you notify authorities before digging an excavation 5 ft deep into which a worker must go?
a)1
b)2
c)3
d)4
a)1
71
How deep must electrical be in a public area if the conduit is PVC and there is no vehicle traffic?
a) 6"
b) 12"
c) 18"
d) 24"
c) 18"
72
When installing a door jamb, you need shims at:
a) the top only
b) the hinge side only
c) the bottom only
d) both hinge and strike sides, three on each side
d) both hinge and strike sides, three on each side
73
What is the minimum clearance between rough ground and untreated subfloor joists?
a) 6"
b) 8"
c) 14"
d) 18"
d) 18"
74
How many days should you wait between the brown coat and the finish coat when plastering?
a)2
b) 3 - 5 days depending on temperature and humidity
c)7
d) there is no need to wait
c)7
75
What is the difference between a hip jack rafter and a common rafter?
a) a hip jack doesn't connect with the top plate
b) a hip jack runs from the top plate to a hip rafter, but a common rafter runs to the ridge board
c) a hip jack is longer than a common rafter d) there is no difference
b) a hip jack runs from the top plate to a hip rafter, but a common rafter runs to the ridge board
76
If you as a contractor discover damaged utilities when starting a job, you should:
a) repair them and charge the owner
b) repair them and charge the appropriate public utility
c) call the utility department involved
d) do nothing
c) call the utility department involved
76
Which of the following materials is acceptable for interior gas lines?
a) copper b) PVC
c) iron or steel
d) ABS
c) iron or steel
77
A waste water pipe, or DWV (Drain Waste Vent), can have an outlet into any of the following EXCEPT a:
a) sanitary drain
b) sewer
c) natural pond
d) septic tank, seepage pit, or cesspool
c) natural pond
78
The safety valve on a portable air compressor should be popped at least:
a) daily
b) before every use
c) weekly
d) monthly
c) weekly
79
If 35 street lights are fed by a 2275 volt series circuit, what is the voltage across each light?
a) 65V
b) 115V - 120V
c) 120V
d) 240V
a) 65V
80
What is the maximum spacing of single nails in a single layer of drywall on the ceiling?
a) 4 - 6"
b) 7"
c) 8"
d) 9"
b) 7"
81
How long should you wait before installing tile on a shower pan?
a) 2 hours
b)4 - 6 hours
c)6 - 8 hours
d) 24 hours
d) 24 hours
82
Type-C soils have a compressive strength of no more than 0.5 tsf. Which of the following would NOT be classified as a Type-C soil?
a) water logged soil or submerged unstable rock
b) sand or loamy sand
c) crushed rock
d) rounded gravel
c) crushed rock
83
When determining the layout of a residential building, the most important element to take into account is the:
a) utilities
b) easements
c) property lines
d) fences
c) property lines
84
What is the purpose of a condenser line for a furnace vent fan?
a) help accumulate water in the vent
b) help remove accumulated water in the vent
c) decrease air flow
d) increase air flow
b) help remove accumulated water in the vent
85
Which tool is best for measuring odd angles in an existing structure?
a) protractor
b) bevel square
c) torpedo
d) T square
b) bevel square
86
How would you best determine if a soil is expansive?
a) pulverize it with a hammer while wearing safety glasses
b) check with the landscaping contractor
c) have the soil tested
d) add water until saturated
c) have the soil tested
87
Under what condition can you add one additional layer to existing asphalt shingles on a roof?
a) less than 2 layers
b) less than 3 layers
c) less than 4 layers
d) less than 5 layers
b) less than 3 layers
88
If a circular slab is 45 feet in diameter, how many square feet does it cover?
a) 100 - 500
b) 500 - 1,000
c) 1,000 - 1,500
d) over 1,500
d) over 1,500
89
What is the minimum underlayment for asphalt shingles?
a)10 lb
c)20 lb
b)15 lb
d)60 lb
b)15 lb
90
What is the diameter of #3 rebar?
a) 3/4"
b) 1/4"
c) 3/8"
d) 1/2"
c) 3/8"
91
92) The most frequent on-the-job roofing accidents are:
a) abrasions
b) falls
c) sprains
d) burns
b) falls
92
A Freon recovery system is required when: a) scrapping an old refrigeration unit
b) replacing a burnt out rotor in a hermetic unit
c) overhauling a rooftop A/C unit
d) all of the above
d) all of the above
93
94) What is a bush-hammer used for?
a) roughen surface of hardened concrete
b) straighten metal sheeting
c) install bushings on a wheel
d) pull objects with impact action
a) roughen surface of hardened concrete
94
95) When installing drywall screws, you should:
a) use the highest torque setting
b) leave slightly above the surface
c) drive just below the face of the board
d) countersink
c) drive just below the face of the board
95
At an excavation, an Underground Service Alert (U.S.A.) marking on the dirt that uses red paint or chalk means:
a) water
b) gas
c) telephone
d) electric power
d) electric power
96
Before placing tile with mastic, you should:
a) sand the surface
c) seal the surface
b) paint the surface
d) none of the above
c) seal the surface
97
98) Dividing watts by amps gives you:
a) ohms
b) watts
c) volts
d) amp rating
c) volts
98
An underground utility line is marked with paint. What is the minimum distance mechanical excavating equipment must stay from the paint mark?
a) 12"
b) 24"
c) 36"
d) 48"
b) 24"
99
To determine if a wall is plumb, use a:
a) framing square
b) level and straight edge
c) leveling rod and transit
d) builder's level
b) level and straight edge
100
The best way to handle an I-beam is with a:
a) fork lift
b) beam clamp
c) chain & shackle
d) nylon strap
d) nylon strap
101
The purpose of a batterboard in concrete work is:
a) wood support in a concrete form
b) support layout strings when locating foundations
c) part of a wood shoring system
d) use when mixing concrete
b) support layout strings when locating foundations
102
Which pipe is NOT appropriate for "industrial wastes"?
a) cast iron
b) schedule 40 ABS DWV
c) extra strength vitrified clay
d) copper
d) copper
103
When can you as a contractor work alone on a roof at a construction site?
a) daylight
c) when someone is within yelling distance
b) anytime
d) never
d) never
104
A Pittsburgh joint is used in:
a) HVAC ductwork
b) a sewer connection
c) a water connection
d) a concrete expansion joint
105
From the following list, the best choice of woods for exterior carpentry are:
a) redwood and baldcypress
b) spruce and fir
c) pine and sugar maple
d) fir and hemlock
a) redwood and baldcypress
106
Which of the following does NOT need a fixed lighting outlet?
a) bedroom ceiling
c) stairway
b) furnace space and attic
d) exterior door
d) exterior door
107
When would you wet brick masonry?
a) never
b) at any time
c) when temperatures are above 32 degrees Fahrenheit
d) before building a brick wall in warm weather
d) before building a brick wall in warm weather
108
the term "Ufer" is associated with which trade?
a) roofing
b) plumbing
c) plastering
d) electrical
d) electrical
109
What type water supply do you use for a water closet (W.C.)?
a) hot water
b) cold water
c) drain water
d) ground water
b) cold water
110
What is the correct exposure for typical hip tiles?
a) 8"
c) 20"
b) 14"
d) 24"
b) 14"
111
What is a register used for?
a) return air
b) supply air
d) none of the above
c) adjust the angle of airflow
b) supply air
112
Concrete block is specified for a wall 50' long and 6' high. Approximately how many concrete blocks 8"W x 8"H x 16"L are required for the wall?
a) 350
b) 450
c) 550
d) 650
a) 350
113
What does the "R" mean in a description of insulation?
a) reflective
b) resistance
c) regular
d) regulation
b) resistance
114
115) You want to install a hardwood floor over a concrete slab that already has a moisture barrier beneath the slab. What should you do?
a) Apply the wood flooring directly to the concrete
b) Install another moisture barrier over the slab before applying the
wood flooring
c) Hardwood flooring may not be installed in this instance
d) Install sub-floor before applying hardwood flooring
b) Install another moisture barrier over the slab before applying the
115
When preparing plaster for a ceiling, which quantity is most important to monitor in the mixture?
a) sand
c) water
b) cement
d) amendments
c) water
116
117) When do you install insulation?
a) after framing is approved
b) after electrical is approved d) after the exterior is finished
c) after electrical and plumbing are approved
c) after electrical and plumbing are approved
117
The minimum size vent for a water closet is:
a) 1-1/2"
c) 3"
b) 2"
d) 4"
b) 2"
118
"Mortar joint" refers to:
a) wood joint
b) asphalt joint
c) vertical or horizontal joint between masonry walls
d) Pittsburgh joint
c) vertical or horizontal joint between masonry walls
119
120) What is the minimum slope toward the drain of a shower pan?
a) 1/8" per foot (1%)
b) 1/4" per foot (2%)
c) 3/8" per foot (3%)
d) 1/2" per foot (4%
b) 1/4" per foot (2%)
120
What is the square footage of the Living Room? 21x51
.
a) 72 Sqr Ft.
b) 1071 Sqr Ft.
c) 1234 Sqr Ft.
d) 30 Sqr Ft.
b) 1071 Sqr Ft.
