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Contractor's State License > Trade > Flashcards

Trade Flashcards

1
Q

If the cost of 2” x 6” lumber is $0.70/BF what is the estimated total cost of required lumber for joist blocks across a 16’ ceiling spaced 16” OC if the room is 24’ long (do not consider overlap)?

A

$218.40

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2
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

ICC-IBC-IRC

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3
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

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4
Q

A voltmeter is wired:

A

In parallel to test an energized circuit

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5
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

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6
Q

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

A

5.7 square feet

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7
Q

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

A

5/8 inch

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8
Q

Where is a Tee Wye (TY) used?

A

Plumbing

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9
Q

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

A

Zones 0, 1 and 2A

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10
Q

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

A

96

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11
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

1/2 (one half)

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12
Q

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

A

7”—6’

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13
Q

Use an ohmmeter to test which of the following circuits?

A

De-energeized circuit wired in series

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14
Q

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

A

6 amps

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15
Q

What is the typical on center (OC) nail spacing in the field of a plywood shear panel?

A

12” OC

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16
Q

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

A

14”

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17
Q

Wood studs supporting headers are usually called?

A

Trimmer studs (jack stud)

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18
Q

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

A

Conflict should be arbitrated with the architect

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19
Q

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

A

Clay; (Gravel, sand, salt, is expected)

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20
Q

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

A

Strength

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21
Q

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

A

4/12

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22
Q

How many square foot ceiling tiles are required for coverage of a ceiling area measuring 11ft. 3 in. by 12 ft. 9 in.?

A

144

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23
Q

2”x4” wood studs supporting a floor, ceiling, and roof may be spaced up to ___ on center?

A

16”

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24
Q

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

A

Make sure the blade guard is in place

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25
Q

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

A

transit and staff

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26
Q

The maximum distance between nails in drywall is:

A

8 inches

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27
Q

What is a percolation test?

A

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

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28
Q

What is the formula for the area of a circle?

A

Pi x radius x radius

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29
Q

What is the minimum slope permissible for a composition roof?

A

2/12 or 2’ Rise 12’ run 12’ Run

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30
Q

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

A

27

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31
Q

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

A

Douglas fir

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32
Q

What size rebar should be placed in a bond beam?

A

4

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33
Q

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

A

Wear fabric (cloth) gloves (from close-fitting goggles, pour acid into water, not water into acid, store in properly vented areas)

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34
Q

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

A

440

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35
Q

What should a contractor do when considering which the of caulking to use for stucco (fine plaster) exteriors?

A

Use material designed to be compatible with stucco products

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36
Q

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

A

40 Ohms

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37
Q

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

A

Annealed

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38
Q

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

A

Shear walls represent vertical bracing

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39
Q

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

A

3/4

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40
Q

Which of the following has more amperage?

A

10 kiloamps

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41
Q

What is a safe grounding method for metallic water lines?

A

mechanical bond to a ground source

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42
Q

Metal forms should be ___ rather than wetted?

A

oiled

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43
Q

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

A

H-clips

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44
Q

What is the minimum underlayment on a smooth floor surface?

A

1/4”

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45
Q

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

A

20”

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46
Q

The minimum thickness for shear wall sheathing is?

A

5/16”

47
Q

When are anchor bolts tightened?

A

As soon as the concrete has cured at 90%

48
Q

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

A

No hub coupling

49
Q

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

A

Scratch coat, brown coat, finish coat

50
Q

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

A

2 x 8

51
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 100 cubic feet per minute?

A

12

52
Q

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

A

Between truss-blocks and top plate

53
Q

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

A

Weekly

54
Q

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

A

Circular saws

55
Q

Where would you find laws regarding high-rise scaffolding?

A

Title 8, CSO (Construction Safety Orders)

56
Q

A handrail shall extend at least ___ inches beyond the top and bottom risers

A

12”

57
Q

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

A

Bearing walls

58
Q

The problems with a China bristle brush is that:

A

It absorbs water

59
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 that:

A

The circuit wiring is defective

60
Q

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

A

Drainage need for new structure

61
Q

The minimum thickness for shear wall sheathing is?

A

5/16”

62
Q

Diameter of #3 Rebar

A

3/8”

63
Q

Diameter of #4 Rebar

A

1/2”

64
Q

Diameter of #6 Rebar

A

3/4”

65
Q

Diameter of #7 Rebar

A

7/8”

66
Q

Diameter of #8 Rebar

A

1”

67
Q

What is the minimum standard height of an exit door?

A

80”

68
Q

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

A

Drainage need for new structure

69
Q

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

A

27’

70
Q

Where would you find laws regarding high-rise scaffolding?

A

Title 8, CSO Construction Safety Orders

71
Q

How should ceramic tile be installed?

A

With mastic over a sealed surface

72
Q

In determining the size and type of foundation footing required, which should be considered

A

The soil bearing capacity

73
Q

Where should a doorjamb be shimmed?

A

On the hinge and lock side with three on each side

74
Q

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

A

Under foundations

75
Q

____ is the best for rubbing and scratch resistance

A

Polyurethane

76
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

77
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

Ground-fault circuit interrupter

78
Q

Asphalt shingles should have an overhang of ___ for the starter course

A

3/4”

79
Q

Where is a 4 prong outlet plug used?

A

To connect a house trailer or RV vehicle

80
Q

Handicap restrooms must have…

A

Wrapped drain lines
Lever handles on faucets
A minimum of 48” of space in front of toilets

81
Q

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

A

60” by 60”

82
Q

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

A

They can be stored at a job site in sealed containers

83
Q

A handrail shall extend at least ___ inches beyond the top and bottom risers

A

12”

84
Q

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

A

Not penetrate the membrane

85
Q

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

A

0.1 fibers/cc

86
Q

What is the pitch of a roof with a span of 24 feet and a rise of 8 feet?

A

1/3

87
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 rafter

88
Q

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

A

Title 24

89
Q

What is the minimum fine for incorrect removal of asbestos?

A

$1000

90
Q

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

A

2”

91
Q

What should a contractor do prior to an inspection?

A

Make sure uninspected work is exposed and accessible

92
Q

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

A

Vibrate & Tamp the concrete

93
Q

A vertical wall, correctly installed is said to be:

A

plumb

94
Q

Which shingles are not fire rated?

A

Class D

95
Q

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

A

Nylon strap

96
Q

Which of the following has more amperage?

A

10 kiloamps

97
Q

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

A

4/12

98
Q

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

A

Allow for crawl space

99
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
  • A foreman’s meeting at least once a month
  • A code of safe practices for the job
100
Q

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

A

8 copper in cable

101
Q

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

A

never

102
Q

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

A

Fix the problem

103
Q

What is the maximum drop when pouring concrete?

A

6 feet

104
Q

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

A

Building Department

105
Q

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

A

2”x6”

106
Q

The problem with a China bristle brush is that

A

It absorbs water

107
Q

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

A

1:1

108
Q

The best way to square a room is to:

A

Make sure opposite sides are square & parallel

109
Q

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

A

The codes determined to be acceptable by the local city building department

110
Q

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

A

National Electrical Code (NEC)

111
Q

What is a safe grounding method for metallic water lines?

A

Mechanical bond to a ground source

112
Q

Tempered glass is required for ONE of the following

A

Sliding door

113
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

0.1%

Contractor's State License (2 decks)

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