contractor license exam 100 question
contractor license exam 100 question
1. How many apartments, dwelling units, or portion of a
building define an "apartment house"?
(a) 8 units
(b) 4 units
(c) 3 units
(d) 2 units
2. "Dwelling" means any portion of a building other than an
apartment or hotel that contains less than how many dwelling
units?
(a) 2 units
(b) 3 units
(c) 4 units
(b) 20 units
3. There should be at least one room in every dwelling unit,
which shall not have less than, how many square feet of
floor area.
(a) 120 square feet
(b) 50 square feet
(c) 90 square feet
(d) 180 square feet
4. The requirements specified in the state housing laws are all:
(a) optional
(b) maximum
(c) minimum
(d) recommended
5. Which of the following should you contact before beginning
work along railroad tracks?
(a) the local city or county engineer
(b) the railroad agent at the nearest depot
(c) the California Public Utilities Commission
(d) the Railroad Engineering Department
6. Every hallway and corridor for an apartment house,
hotel, or dwelling, shall have a minimum ceiling height of:
(a) 7-1/2 feet
(b) 8-1/2 feet
(c) 7 feet
(d) 8 feet
7. "Hotel," defines any building containing guest rooms in
excess of:
(a) 3 guest rooms
(b) 4 guest rooms
(c) 5 guest rooms
(d) 10 guest rooms
8. If you discover a measurement error in a project plan, a job
you contracted and have been working on, what should you do?
(a) notify the owner within 20 days
(b) before doing any work to the error, notify the architect
(c) correct the error according to your own professional
judgment
(d) record a mechanics' lien within 60 days
9. The minimum uniform load support capability in residential
buildings are:
(a) 30 pounds per square foot
(b) 20 pounds per square foot
(c) 8O pounds per square foot
(d) 40 pounds per square foot
10. The minimum live load must be sustained by a roof with
a slope less than 4 in 12, how many pounds
per square foot:
(A) 5 pounds per square foot
(B) 10 pounds per square foot
(C) 15 pounds per square foot
(D) 20 pounds per square foot
11. When there is a heat loss through windows and doors it is
known as:
(a) transmittance
(b) infiltration
(c) convection
(d) conduction
12. Material is usually measured by_____ when referring to
excavation.
(a) tons
(b) square feet
(c) cubic feet
(d) cubic yards
13. The square inches of a circle with a 10-inch diameter is:
(a) 79 square inches
(b) 99 square inches
(c) 157 square inches
(d) 52 square inches
14. When planning work within the railroad right of way, how
much advance notice is required?
(a) 7 to14 days
(b) 24 hours
(c) 48 hours
(d) none is required
15. How close can a vehicle be parked to a railroad track?
(a) 8-1/2 feet from the center line of the track
(b) 6 feet from the nearest rail
(c) 7-1/2 feet from the nearest rail
(d) even with the edge of a standard boxcar
16. When working on masonry, what is the best kind of
drill bit to use?
(a) high-carbon steel bit
(b) auger-type bit
(c) carbide-tipped bit
(d) all of the above
17. Who sets the standards for both construction materials and
practices?
(a) ANSI (American National Standards Institute)
(b) ASTM (American Society for Testing and Materials)
(c) UL (Underwriters' laboratories)
(d) UBC (Uniform Building Code)
18. Inspections determine if work has been done according to:
(a) plans
(b) code
(c) the contract
(d) specifications
19. What should a wooden girder be fastened with when
installed on top of a steel post?
(a) a saddle
(b) a flat screw
(c) nails
(d) a cap screw
20. What should a steel girder be fastened with when
installed on top of a wood post?
(a) channel cap
(b) nails
(c) screws
(d) saddle
21. What method should be used when attaching sill plates to
footings?
(a) nailed
(b) screwed
(c) glued
(d) bolted
22. Your plans specify that the joists should be 36 inches
on center when building a deck. What plywood sheathing
would be best?
(a) 48/12 interior plywood
(b) 48/24 exterior plywood
(c) 36/12 exterior plywood
(d) 32/16 interior plywood
23. A one-car garage door opening has a standard width of?
(a) 7 feet
(b) 8 feet
(c) 9 feet
(d) 10 feet
24. According to the UBC, the minimal width of a footing
for a 3-story building is?
(a) 12 inches
(b) 16 inches
(c) 18 inches
(d) 26 inches
25. What is cap flashing used on?
(a) a valley
(b) a ridge
(c) a footing
(d) a chimney
26. In public areas, handicapped accessible doorways
are required a width of no less than
(a) 4 feet
(b) 3 feet
(c) 32 inches
(d) 29 inches
27. In a commercial building, a metal window frame
requires kraft paper to be placed:
(a) over the frame and over lath
(b) under the frame and over lath
(c) over the frame and under lath
(d) under the frame and under lath
28. "Dead load" means: The vertical load due to the
weight of a building, "live load" means:
(a) an additional load due to use and occupancy
(b) "live load" is an electrical term, not a structural term
(c) addition load due to the stress of wind and snow
(d) additional load due to wind or snow
29. The maximum possible strength when laying plywood
would be?
(a) diagonally to the joists
(b) parallel to the joists
(c) perpendicular to the joists
(d) at 55 degrees off parallel to joists
30. When the water level gauge on a steam boiler reads "empty"
(a) add water carefully
(b) it will shut off automatically.
(c) "shut off the boiler"
(d) recalibrate the gauge then test for an accurate reading
31. Cabinets should have a standard depth:
(a) 10 inches
(b) 18 inches
(c) 12 inches
(d) 26 inches
32. When cutting with a portable circular saw, the finished
side should be:
(a) down
(b) up
(c) both sides are finished
(d) never cut finish plywood with a portable circular saw
33. The standard width of an interior door?
(a) 3 1/2 feet
(b) 3 feet
(c) 2 feet 8 inches
(d) 2 1/2 feet
34. A
(a) a circular saw
(b) a jigsaw
(c) a hacksaw
(d) none of the above
35. What does "the run" mean in roof framing?
(a) the distance between the double plate and the outside edge.
(b) the angle that the roof surface makes
(c) a 12 inch unit
(d) an imaginary line going lengthwise from the ridge.
36. A well-known force applied to concrete is?
(a) stress
(b) pressure
(c) tension
(d) compression
37. ASTM (The American Society for Testing and Materials) for C31
concrete, allocates the standards for:
(a) compression testing
(b) slump testing
(c) pressure testing
(d) consistency testing
38. When pouring concrete underwater, the process is called?
(a) gunite
(b) cold-pour
(c) tremie
(d) aquaform
39.
(a) repair defects in the tie-bar
(b) hold rebar in place when pouring
(c) increase the strength of the bars
(d) to determine the square footage
40. When concrete has just been poured, you remove the excess
concrete by?
(a) floating
(b) screeding
(c) trowelling
(d) hatching
41. When concrete has been mixed it must be on site and
poured in no less than:
(a) 60 minutes
(b) 90 minutes
(c) one day
(d) two hours
42. What would be the advantage in adding calcium chloride to a
mixture of cement?
(a) it increases the setting
(b) it adds color to the concrete
(c) it dissolves the aggregate when added
(d) it reduces the setting time
43. The flat chute is not the best tool to use for placing concrete
because:
(a) it causes segregation in the mix
(b) it must have an extension
(c) does not pour accurately
(d) the height of the discharge increases
44. When do you use type III
(a) when the climate is hot
(b) early strength is required
(c) when the heat of hydration is necessary
(d) in moderate heat of hydration
Copyright © 2005 , 11/09/05
1
45. When dealing with concrete, the slump test reports:
(a) its consistency
(b) its potential strength
(c) its alkali level
(d) all of the above
46. If you have a concrete slab "1ft x 15ft x 15ft," How many cubic
yards of concrete are there?
(a) 20
(b) 8.3
(c) 25
(d) 35
47. A common size of a concrete mixer is:
(a) 2 cubic feet
(b) 8 cubic yards
(c) 16 cubic feet
(d) 32 cubic feet
48. At which angle degree does a hooked concrete reinforcing bar
bend?
(a) 40, 90, and 180 degrees
(b) 60,120, and 180 degrees
(c) 90,120, and 180 degrees
(d) 90,135, and 180 degrees
49. When applying drywall, what "type of nail" is preferred
by the state:
(a) deformed or chemically etched shank
(b) cement or concrete coated
(c) rust resistant or water repellent
(d) plasterboard nail
50. If the ground is spongy after excavation is complete, you should:
(a) compact the soil
(b) pour the foundation slab before the earth dries completely
(c) wait for the ground to dry completely
(d) lay in gravel
51. When digging a trench along a roadside in a populated
area, what machine is best?
(a) front-end loader
(b) power shovel
(c) trencher
(d) backhoe
52. How many 90-degree bends are allowed in conduit between
outlets
(a) 3
(b) maximum 4
(c) only 2
(d) no more than 6
53. When splicing an outlet how many extra inches of
wire should be available?
(a) 3 inches
(b) 4 inches
(c) 5 inches
(d) 6 inches
54. The maximum temperature at which (type THW)
conductors are used?
(a) 75 degrees Centigrade
(b) 60 degrees Centigrade
(c) 85 degrees Centigrade
(d) 100 degrees Centigrade
55. What type of lamp, does a "40W/T12/RS/CW" specification
define?
(a) a 40 watt, bi-pin, rapid start, cool white, fluorescent lamp
(b) a 40 watt, type 12, reflector spot, clear white, incandescent lamp
(c) a 40 watt, single-pin, relay start, code white, fluorescent lamp
(d) a type 12, medium base, recessed spot, clear white, incandescent lamp
56. Which of the following numbers are the smallest wire size?
(a) 1
(b) 6
(c) 10
(d) 0
57. When using a group of switches, where a switch controls
several rows of fluorescent fixtures, what switches should
be used.
(a) mercury switches
(b) "T" switches
(c) switches at twice the required load
(d) knife switches
58. An Erickson coupling is used for?
(a) connecting two sections of rigid conduit when they cannot be turned
(b) joining sections of EMT
(c) connecting EMT to flexible conduit
(d) a substitute for threads
59. The problem with plastic coated non metallic
electrical cable it is
(a) hard to strip
(b) not able to be embedded in masonry
(c) subject to mechanical damage
(d) not available with three wires
60. Which wire carries the load in a two-wire circuit?
(a) the ground wire
(b) the black wire
(c) the white wire
(d) all of the above
61. A 240-volt, three phase system is most often used for:
(a) lighting
(b) industrial motors
(c) processing units
(d) none of the above
62. What is the advantage of non metallic cable compared to BX
cable?
(a) BX cable has three wires
(b) non metallic cable is moisture-resistant
(c) non metallic cable is not subject to mechanical damage
(d) non metallic cable can be placed in masonry
63. Smoke detectors should be installed
(a) above every door opening
(b) as close as possible to the center of a ceiling
(c) at the high end of a sloped ceiling
(d) b and c
64. Which design type would be the best when installing
a forced air heating system in a crawlspace or attic?
(a) an upflow highboy
(b) a downflow model
(c) a horizontal furnace
(d) an upflow lowboy
65. On a forced-air heating system ,should the warm air
registers be near:
(a) the windows and close to the ceiling
(b) the interior walls and close to the floor
(c) anywhere close to the ceiling
(d) the outside walls and close to the floor
66. How do you determine which size air conditioning
unit to use for a house?
(a) the total window area
(b) the total interior wall area
(c) the total exterior wall area
(d) the type of roof
67. The maximum horizontal footage permitted for a
3 inch vent pipe?
(a) 148 feet
(b) 212 feet
(c) 24 feet
(d) 100 feet
68. Urethane foam insulation has it's drawbacks:
(a) it is flammable
(b) it is only available in boards
(c) it has a low R value
(d) all of the above
Copyright © 2005 , 11/09/05
69. Laying batt insulation in studded walls should:
(a) be butted up against any vent openings
(b) have insulation at least 1 inch from any vent openings
(c) be insulated at least 12 inches away from a vent openings
(d) be laid over the vent openings
70. Batt insulation under a floor and over a crawl space should be
placed:
(a) under the joists with vapor barrier between the insulation and the floor
(b) between the joists with vapor barrier between insulation and crawl space
(c) over the joists with vapor barrier between the insulation and crawl space
(d) between the joist with vapor barrier between the insulation and the floor
71. The use of cellulose insulation is a problem because:
(a) without proper treatment, it is a fire hazard
(b) it is difficult to install
(c) it has a low R-value
(d) it is very costly
72. What are used for lintels to support block over openings
when dealing with concrete block foundation walls?
(a) metal rods
(b) metal lath
(c) steel angles
(d) all of the above
73. Why would you leave the vertical steel sticking out
of the top after grouting a foundation wall?
(a) to count the bars
(b) to tie in the upper tier
(c) rebar should not extend above the top
(d) the inspector needs to see that the wall is reinforced
74. On masonry, the best kind of drill bit is?
(a) high-carbon steel bit
(b) auger-type bit
(c) carbide-tipped bit
(d) none of the above
75. You installed a concrete block masonry wall in
dry weather. you should:
(a) wet the blocks while installing
(b) never wet the blocks
(c) wet the blocks after installing
(d) wet the blocks before installing
76. Before any grout is poured in a hollow unit masonry wall,
an inspector checks to make sure that:
(a) rebar is in place
(b) no obstructions are in the cells
(c) it is level and plumb
(d) all of the above
77. What type mortar option is best for interior non
load bearing walls?
(a) K = low compressive and bond strength or N = medium strength, high exposure
(b) M = high compressive and bond strength or S = medium high compressive and bond strength
(c) N = med. strength, high exposure or O = medium low compressive strength limited exposure
(d) S = med. high compressive and bond strength or N = medium strength, high exposure
78. What is terrazzo and what is it used for?
(a) an Italian style terrace for exterior exposure
(b) a brand of stucco for exterior walls
(c) marble chips are embedded in mortar, used for flooring
(d) a brand for a form of BX cable used for refrigeration
79. When should clay brick require wetting?
(a) when water absorbs within one minute of applying test droplets
(b) if it flakes due to lack of moisture
(c) clay brick does not require wetting
(d) only concrete brick requires wetting
80. "Alligator" or crawl are terms when paint reacts from:
(a) applying a hard finish coat over a soft priming surface
(b) applying a soft finish coat over a hard priming coat
(c) applying paint to a raw surface
(d) moisture in the air
81. The next step after sandblasting a metal building?
(a) wash with an alkaline cleaner
(b) paint a sealer
(c) paint the same day
(d) all of the above
82. When painting with latex, paint brushes should
be cleaned with:
(a) turpentine
(b) soap and water
(c) solvent
(d) thinner
83. When installing wallpaper your best surface is:
(a) a sanded finish
(b) plywood
(c) metal
(d) plaster
84. Which protective coating is the most scratch
and chip resistant?
(a) lacquer
(b) polyurethane
(c) latex paint
(d) oil-based paint
85. What is a notable drawback of a natural bristle brush?
(a) it leaves brush strokes
(b) it has flag ends
(c) it does not last as long as synthetic bristle brushes
(d) it's hard to clean
86. Excavation for drainage pipe may be done at what
distance from any footing?
(a) 8 feet
(b) 3 feet
(c) no less than the depth of the excavation
(d) as far from the edge as the height of the wall
87. Is it possible for PVC piping to go through or be
embedded in concrete?
(a) no, rigid copper pipe only
(b) no, galvanized pipe only
(c) yes
(d) yes, but only outside the building
88. For stucco, the required setting time between the
(scratch) or setting coat and the brown coat is:
(A) no more than 9 days
(B) 7 days
(C) 4 days
(D) 2 days
89. What type of plaster should you use when working
with a surface such as concrete:
(a) neat
(b) bond
(c) wood fiber
(d) gauging
90. The length used for sizing water piping, is measured
from the located water meter to:
(a) a remote outlet
(b) the first branch
(c) the water heater location
(d) the first flushometer branch
91. Cleanouts under floors shouldn't be more
than ___ feet from a crawl hole or access door
(a) 5 ft
(b) 10 ft
(c) 15 ft
(d) 20 ft
Copyright © 2005 , 11/09/05
1
92. The drain and sewer for a residential building should be:
(a) on the same lot
(b) below the finish grade
(c) inside only
(d) outside only
93. What do you join a copper and galvanized pipe with?
(a) threading them together
(b) a brass adaptor fitting
(c) soldering them together
(d) the scoring of the copper pipe
94. You must test waste and vent piping with a:
(a) 5 foot head of water
(b) 10 foot head of water
(c) running test
(d) any of the above
95. Gas pipe which joins more than one building on any
premise must have:
(a) individual meters
(b) earthquake valves
(c) separate shutoff valves
(d) only one meter
96. What should you connect different sized pipes with a?
(a) bell reducer
(b) union
(c) bushing
(d) nipple
97. What valve should be used to connect a main to
a residential system if the pressure in a water supply
main is over 80 pounds (psi)?
(a) reducing valve
(b) check valve
(c) globe valve
(d) gate valve
98. When on an asphalt shingle roof, what is the best kind
of shoe to wear?
(a) steel-toed boots
(b) leather-soled boots
(c) knee-high boots
(d) rubber-soled shoes
99. The point where the roof of a gable dormer meets
the main part of the roof is called a ?
(a) ridge
(b) hip
(c) dormer
(d) valley
100. When covering a shingle roof, what is the first step?
(a) install the underlayment
(b) install valley flashing
(c) install eaves flashing along the rakes
(d) seal the wood sheathing
101. How are asphalt shingles laid?
(a) from both rakes to the center
(b) from right rake to left rake
(c) from the eaves to the ridge
(d) from the ridge to the eaves
102. Liquid solar installation may result in "freezing up"
due to:
(a) leaky gaskets
(b) inadequate pipe insulation
(c) poorly soldered joints
(d) use of inferior materials
103. In liquid solar collectors small passages may:
(a) leak
(b) act as a pressure drop component
(c) make it easy to drain
(d) become plugged
104. The water storage tank in a thermosiphon solar
heating system is located:
(a) no more than 1 foot above the collector
(b) no more than 2 foot above the collector
(c) only according to the season
(d) 2 feet below the collector
105. Individual collectors assembled in a group:
(a) must be vented to filling
(b) must be soldered to piping
(c) must be fitted by individual mountings
(d) must be attainable for replacement
106. Solar collectors on the ground must be:
(a) set on concrete pads
(b) laminated
(c) facing the sun
(d) set on secure palettes
107. For billing purposes structural steel is ordered by the:
(a) lineal foot
(b) pounds.
(c) bundle
(d) 100 pounds
108. On a shower floor the ceramic tile should be installed:
(a) to a wood subfloor
(b) to a concrete subfloor
(c) to a portland mortar bed
(d) b or c
109. With 120 tiles per box, how many boxes of tile will be
needed to cover a wall 6 feet by 10 feet using 6 inch
square tiles :
(a) 2 boxes
(b) 4 boxes
(c) 6 boxes
(d) 8 boxes
1. How many apartments, dwelling units, or portion of a
building define an "apartment house"?
(a) 8 units
(b) 4 units
(c) 3 units
(d) 2 units
2. "Dwelling" means any portion of a building other than an
apartment or hotel that contains less than how many dwelling
units?
(a) 2 units
(b) 3 units
(c) 4 units
(b) 20 units
3. There should be at least one room in every dwelling unit,
which shall not have less than, how many square feet of
floor area.
(a) 120 square feet
(b) 50 square feet
(c) 90 square feet
(d) 180 square feet
4. The requirements specified in the state housing laws are all:
(a) optional
(b) maximum
(c) minimum
(d) recommended
5. Which of the following should you contact before beginning
work along railroad tracks?
(a) the local city or county engineer
(b) the railroad agent at the nearest depot
(c) the California Public Utilities Commission
(d) the Railroad Engineering Department
6. Every hallway and corridor for an apartment house,
hotel, or dwelling, shall have a minimum ceiling height of:
(a) 7-1/2 feet
(b) 8-1/2 feet
(c) 7 feet
(d) 8 feet
7. "Hotel," defines any building containing guest rooms in
excess of:
(a) 3 guest rooms
(b) 4 guest rooms
(c) 5 guest rooms
(d) 10 guest rooms
8. If you discover a measurement error in a project plan, a job
you contracted and have been working on, what should you do?
(a) notify the owner within 20 days
(b) before doing any work to the error, notify the architect
(c) correct the error according to your own professional
judgment
(d) record a mechanics' lien within 60 days
9. The minimum uniform load support capability in residential
buildings are:
(a) 30 pounds per square foot
(b) 20 pounds per square foot
(c) 8O pounds per square foot
(d) 40 pounds per square foot
10. The minimum live load must be sustained by a roof with
a slope less than 4 in 12, how many pounds
per square foot:
(A) 5 pounds per square foot
(B) 10 pounds per square foot
(C) 15 pounds per square foot
(D) 20 pounds per square foot
11. When there is a heat loss through windows and doors it is
known as:
(a) transmittance
(b) infiltration
(c) convection
(d) conduction
12. Material is usually measured by_____ when referring to
excavation.
(a) tons
(b) square feet
(c) cubic feet
(d) cubic yards
13. The square inches of a circle with a 10-inch diameter is:
(a) 79 square inches
(b) 99 square inches
(c) 157 square inches
(d) 52 square inches
14. When planning work within the railroad right of way, how
much advance notice is required?
(a) 7 to14 days
(b) 24 hours
(c) 48 hours
(d) none is required
15. How close can a vehicle be parked to a railroad track?
(a) 8-1/2 feet from the center line of the track
(b) 6 feet from the nearest rail
(c) 7-1/2 feet from the nearest rail
(d) even with the edge of a standard boxcar
16. When working on masonry, what is the best kind of
drill bit to use?
(a) high-carbon steel bit
(b) auger-type bit
(c) carbide-tipped bit
(d) all of the above
17. Who sets the standards for both construction materials and
practices?
(a) ANSI (American National Standards Institute)
(b) ASTM (American Society for Testing and Materials)
(c) UL (Underwriters' laboratories)
(d) UBC (Uniform Building Code)
18. Inspections determine if work has been done according to:
(a) plans
(b) code
(c) the contract
(d) specifications
19. What should a wooden girder be fastened with when
installed on top of a steel post?
(a) a saddle
(b) a flat screw
(c) nails
(d) a cap screw
20. What should a steel girder be fastened with when
installed on top of a wood post?
(a) channel cap
(b) nails
(c) screws
(d) saddle
21. What method should be used when attaching sill plates to
footings?
(a) nailed
(b) screwed
(c) glued
(d) bolted
22. Your plans specify that the joists should be 36 inches
on center when building a deck. What plywood sheathing
would be best?
(a) 48/12 interior plywood
(b) 48/24 exterior plywood
(c) 36/12 exterior plywood
(d) 32/16 interior plywood
23. A one-car garage door opening has a standard width of?
(a) 7 feet
(b) 8 feet
(c) 9 feet
(d) 10 feet
24. According to the UBC, the minimal width of a footing
for a 3-story building is?
(a) 12 inches
(b) 16 inches
(c) 18 inches
(d) 26 inches
25. What is cap flashing used on?
(a) a valley
(b) a ridge
(c) a footing
(d) a chimney
26. In public areas, handicapped accessible doorways
are required a width of no less than
(a) 4 feet
(b) 3 feet
(c) 32 inches
(d) 29 inches
27. In a commercial building, a metal window frame
requires kraft paper to be placed:
(a) over the frame and over lath
(b) under the frame and over lath
(c) over the frame and under lath
(d) under the frame and under lath
28. "Dead load" means: The vertical load due to the
weight of a building, "live load" means:
(a) an additional load due to use and occupancy
(b) "live load" is an electrical term, not a structural term
(c) addition load due to the stress of wind and snow
(d) additional load due to wind or snow
29. The maximum possible strength when laying plywood
would be?
(a) diagonally to the joists
(b) parallel to the joists
(c) perpendicular to the joists
(d) at 55 degrees off parallel to joists
30. When the water level gauge on a steam boiler reads "empty"
(a) add water carefully
(b) it will shut off automatically.
(c) "shut off the boiler"
(d) recalibrate the gauge then test for an accurate reading
31. Cabinets should have a standard depth:
(a) 10 inches
(b) 18 inches
(c) 12 inches
(d) 26 inches
32. When cutting with a portable circular saw, the finished
side should be:
(a) down
(b) up
(c) both sides are finished
(d) never cut finish plywood with a portable circular saw
33. The standard width of an interior door?
(a) 3 1/2 feet
(b) 3 feet
(c) 2 feet 8 inches
(d) 2 1/2 feet
34. A
(a) a circular saw
(b) a jigsaw
(c) a hacksaw
(d) none of the above
35. What does "the run" mean in roof framing?
(a) the distance between the double plate and the outside edge.
(b) the angle that the roof surface makes
(c) a 12 inch unit
(d) an imaginary line going lengthwise from the ridge.
36. A well-known force applied to concrete is?
(a) stress
(b) pressure
(c) tension
(d) compression
37. ASTM (The American Society for Testing and Materials) for C31
concrete, allocates the standards for:
(a) compression testing
(b) slump testing
(c) pressure testing
(d) consistency testing
38. When pouring concrete underwater, the process is called?
(a) gunite
(b) cold-pour
(c) tremie
(d) aquaform
39.
(a) repair defects in the tie-bar
(b) hold rebar in place when pouring
(c) increase the strength of the bars
(d) to determine the square footage
40. When concrete has just been poured, you remove the excess
concrete by?
(a) floating
(b) screeding
(c) trowelling
(d) hatching
41. When concrete has been mixed it must be on site and
poured in no less than:
(a) 60 minutes
(b) 90 minutes
(c) one day
(d) two hours
42. What would be the advantage in adding calcium chloride to a
mixture of cement?
(a) it increases the setting
(b) it adds color to the concrete
(c) it dissolves the aggregate when added
(d) it reduces the setting time
43. The flat chute is not the best tool to use for placing concrete
because:
(a) it causes segregation in the mix
(b) it must have an extension
(c) does not pour accurately
(d) the height of the discharge increases
44. When do you use type III
(a) when the climate is hot
(b) early strength is required
(c) when the heat of hydration is necessary
(d) in moderate heat of hydration
Copyright © 2005 , 11/09/05
1
45. When dealing with concrete, the slump test reports:
(a) its consistency
(b) its potential strength
(c) its alkali level
(d) all of the above
46. If you have a concrete slab "1ft x 15ft x 15ft," How many cubic
yards of concrete are there?
(a) 20
(b) 8.3
(c) 25
(d) 35
47. A common size of a concrete mixer is:
(a) 2 cubic feet
(b) 8 cubic yards
(c) 16 cubic feet
(d) 32 cubic feet
48. At which angle degree does a hooked concrete reinforcing bar
bend?
(a) 40, 90, and 180 degrees
(b) 60,120, and 180 degrees
(c) 90,120, and 180 degrees
(d) 90,135, and 180 degrees
49. When applying drywall, what "type of nail" is preferred
by the state:
(a) deformed or chemically etched shank
(b) cement or concrete coated
(c) rust resistant or water repellent
(d) plasterboard nail
50. If the ground is spongy after excavation is complete, you should:
(a) compact the soil
(b) pour the foundation slab before the earth dries completely
(c) wait for the ground to dry completely
(d) lay in gravel
51. When digging a trench along a roadside in a populated
area, what machine is best?
(a) front-end loader
(b) power shovel
(c) trencher
(d) backhoe
52. How many 90-degree bends are allowed in conduit between
outlets
(a) 3
(b) maximum 4
(c) only 2
(d) no more than 6
53. When splicing an outlet how many extra inches of
wire should be available?
(a) 3 inches
(b) 4 inches
(c) 5 inches
(d) 6 inches
54. The maximum temperature at which (type THW)
conductors are used?
(a) 75 degrees Centigrade
(b) 60 degrees Centigrade
(c) 85 degrees Centigrade
(d) 100 degrees Centigrade
55. What type of lamp, does a "40W/T12/RS/CW" specification
define?
(a) a 40 watt, bi-pin, rapid start, cool white, fluorescent lamp
(b) a 40 watt, type 12, reflector spot, clear white, incandescent lamp
(c) a 40 watt, single-pin, relay start, code white, fluorescent lamp
(d) a type 12, medium base, recessed spot, clear white, incandescent lamp
56. Which of the following numbers are the smallest wire size?
(a) 1
(b) 6
(c) 10
(d) 0
57. When using a group of switches, where a switch controls
several rows of fluorescent fixtures, what switches should
be used.
(a) mercury switches
(b) "T" switches
(c) switches at twice the required load
(d) knife switches
58. An Erickson coupling is used for?
(a) connecting two sections of rigid conduit when they cannot be turned
(b) joining sections of EMT
(c) connecting EMT to flexible conduit
(d) a substitute for threads
59. The problem with plastic coated non metallic
electrical cable it is
(a) hard to strip
(b) not able to be embedded in masonry
(c) subject to mechanical damage
(d) not available with three wires
60. Which wire carries the load in a two-wire circuit?
(a) the ground wire
(b) the black wire
(c) the white wire
(d) all of the above
61. A 240-volt, three phase system is most often used for:
(a) lighting
(b) industrial motors
(c) processing units
(d) none of the above
62. What is the advantage of non metallic cable compared to BX
cable?
(a) BX cable has three wires
(b) non metallic cable is moisture-resistant
(c) non metallic cable is not subject to mechanical damage
(d) non metallic cable can be placed in masonry
63. Smoke detectors should be installed
(a) above every door opening
(b) as close as possible to the center of a ceiling
(c) at the high end of a sloped ceiling
(d) b and c
64. Which design type would be the best when installing
a forced air heating system in a crawlspace or attic?
(a) an upflow highboy
(b) a downflow model
(c) a horizontal furnace
(d) an upflow lowboy
65. On a forced-air heating system ,should the warm air
registers be near:
(a) the windows and close to the ceiling
(b) the interior walls and close to the floor
(c) anywhere close to the ceiling
(d) the outside walls and close to the floor
66. How do you determine which size air conditioning
unit to use for a house?
(a) the total window area
(b) the total interior wall area
(c) the total exterior wall area
(d) the type of roof
67. The maximum horizontal footage permitted for a
3 inch vent pipe?
(a) 148 feet
(b) 212 feet
(c) 24 feet
(d) 100 feet
68. Urethane foam insulation has it's drawbacks:
(a) it is flammable
(b) it is only available in boards
(c) it has a low R value
(d) all of the above
Copyright © 2005 , 11/09/05
69. Laying batt insulation in studded walls should:
(a) be butted up against any vent openings
(b) have insulation at least 1 inch from any vent openings
(c) be insulated at least 12 inches away from a vent openings
(d) be laid over the vent openings
70. Batt insulation under a floor and over a crawl space should be
placed:
(a) under the joists with vapor barrier between the insulation and the floor
(b) between the joists with vapor barrier between insulation and crawl space
(c) over the joists with vapor barrier between the insulation and crawl space
(d) between the joist with vapor barrier between the insulation and the floor
71. The use of cellulose insulation is a problem because:
(a) without proper treatment, it is a fire hazard
(b) it is difficult to install
(c) it has a low R-value
(d) it is very costly
72. What are used for lintels to support block over openings
when dealing with concrete block foundation walls?
(a) metal rods
(b) metal lath
(c) steel angles
(d) all of the above
73. Why would you leave the vertical steel sticking out
of the top after grouting a foundation wall?
(a) to count the bars
(b) to tie in the upper tier
(c) rebar should not extend above the top
(d) the inspector needs to see that the wall is reinforced
74. On masonry, the best kind of drill bit is?
(a) high-carbon steel bit
(b) auger-type bit
(c) carbide-tipped bit
(d) none of the above
75. You installed a concrete block masonry wall in
dry weather. you should:
(a) wet the blocks while installing
(b) never wet the blocks
(c) wet the blocks after installing
(d) wet the blocks before installing
76. Before any grout is poured in a hollow unit masonry wall,
an inspector checks to make sure that:
(a) rebar is in place
(b) no obstructions are in the cells
(c) it is level and plumb
(d) all of the above
77. What type mortar option is best for interior non
load bearing walls?
(a) K = low compressive and bond strength or N = medium strength, high exposure
(b) M = high compressive and bond strength or S = medium high compressive and bond strength
(c) N = med. strength, high exposure or O = medium low compressive strength limited exposure
(d) S = med. high compressive and bond strength or N = medium strength, high exposure
78. What is terrazzo and what is it used for?
(a) an Italian style terrace for exterior exposure
(b) a brand of stucco for exterior walls
(c) marble chips are embedded in mortar, used for flooring
(d) a brand for a form of BX cable used for refrigeration
79. When should clay brick require wetting?
(a) when water absorbs within one minute of applying test droplets
(b) if it flakes due to lack of moisture
(c) clay brick does not require wetting
(d) only concrete brick requires wetting
80. "Alligator" or crawl are terms when paint reacts from:
(a) applying a hard finish coat over a soft priming surface
(b) applying a soft finish coat over a hard priming coat
(c) applying paint to a raw surface
(d) moisture in the air
81. The next step after sandblasting a metal building?
(a) wash with an alkaline cleaner
(b) paint a sealer
(c) paint the same day
(d) all of the above
82. When painting with latex, paint brushes should
be cleaned with:
(a) turpentine
(b) soap and water
(c) solvent
(d) thinner
83. When installing wallpaper your best surface is:
(a) a sanded finish
(b) plywood
(c) metal
(d) plaster
84. Which protective coating is the most scratch
and chip resistant?
(a) lacquer
(b) polyurethane
(c) latex paint
(d) oil-based paint
85. What is a notable drawback of a natural bristle brush?
(a) it leaves brush strokes
(b) it has flag ends
(c) it does not last as long as synthetic bristle brushes
(d) it's hard to clean
86. Excavation for drainage pipe may be done at what
distance from any footing?
(a) 8 feet
(b) 3 feet
(c) no less than the depth of the excavation
(d) as far from the edge as the height of the wall
87. Is it possible for PVC piping to go through or be
embedded in concrete?
(a) no, rigid copper pipe only
(b) no, galvanized pipe only
(c) yes
(d) yes, but only outside the building
88. For stucco, the required setting time between the
(scratch) or setting coat and the brown coat is:
(A) no more than 9 days
(B) 7 days
(C) 4 days
(D) 2 days
89. What type of plaster should you use when working
with a surface such as concrete:
(a) neat
(b) bond
(c) wood fiber
(d) gauging
90. The length used for sizing water piping, is measured
from the located water meter to:
(a) a remote outlet
(b) the first branch
(c) the water heater location
(d) the first flushometer branch
91. Cleanouts under floors shouldn't be more
than ___ feet from a crawl hole or access door
(a) 5 ft
(b) 10 ft
(c) 15 ft
(d) 20 ft
Copyright © 2005 , 11/09/05
1
92. The drain and sewer for a residential building should be:
(a) on the same lot
(b) below the finish grade
(c) inside only
(d) outside only
93. What do you join a copper and galvanized pipe with?
(a) threading them together
(b) a brass adaptor fitting
(c) soldering them together
(d) the scoring of the copper pipe
94. You must test waste and vent piping with a:
(a) 5 foot head of water
(b) 10 foot head of water
(c) running test
(d) any of the above
95. Gas pipe which joins more than one building on any
premise must have:
(a) individual meters
(b) earthquake valves
(c) separate shutoff valves
(d) only one meter
96. What should you connect different sized pipes with a?
(a) bell reducer
(b) union
(c) bushing
(d) nipple
97. What valve should be used to connect a main to
a residential system if the pressure in a water supply
main is over 80 pounds (psi)?
(a) reducing valve
(b) check valve
(c) globe valve
(d) gate valve
98. When on an asphalt shingle roof, what is the best kind
of shoe to wear?
(a) steel-toed boots
(b) leather-soled boots
(c) knee-high boots
(d) rubber-soled shoes
99. The point where the roof of a gable dormer meets
the main part of the roof is called a ?
(a) ridge
(b) hip
(c) dormer
(d) valley
100. When covering a shingle roof, what is the first step?
(a) install the underlayment
(b) install valley flashing
(c) install eaves flashing along the rakes
(d) seal the wood sheathing
101. How are asphalt shingles laid?
(a) from both rakes to the center
(b) from right rake to left rake
(c) from the eaves to the ridge
(d) from the ridge to the eaves
102. Liquid solar installation may result in "freezing up"
due to:
(a) leaky gaskets
(b) inadequate pipe insulation
(c) poorly soldered joints
(d) use of inferior materials
103. In liquid solar collectors small passages may:
(a) leak
(b) act as a pressure drop component
(c) make it easy to drain
(d) become plugged
104. The water storage tank in a thermosiphon solar
heating system is located:
(a) no more than 1 foot above the collector
(b) no more than 2 foot above the collector
(c) only according to the season
(d) 2 feet below the collector
105. Individual collectors assembled in a group:
(a) must be vented to filling
(b) must be soldered to piping
(c) must be fitted by individual mountings
(d) must be attainable for replacement
106. Solar collectors on the ground must be:
(a) set on concrete pads
(b) laminated
(c) facing the sun
(d) set on secure palettes
107. For billing purposes structural steel is ordered by the:
(a) lineal foot
(b) pounds.
(c) bundle
(d) 100 pounds
108. On a shower floor the ceramic tile should be installed:
(a) to a wood subfloor
(b) to a concrete subfloor
(c) to a portland mortar bed
(d) b or c
109. With 120 tiles per box, how many boxes of tile will be
needed to cover a wall 6 feet by 10 feet using 6 inch
square tiles :
(a) 2 boxes
(b) 4 boxes
(c) 6 boxes
(d) 8 boxes
