Contractor's Test #4
A second guide for ladder placement is to locate the ladder at a minimum ____________ angle from the floor to the ladder. A. 60 degrees B. 65 degrees C. 70 degrees D. 75.5 degrees
D
An "R-value" is a measure of a materials resistance to the flow of: A. electricity B. moisture C. cold D. heat
D
Handrails must be: A. at least 2 inches from the wall B. 1-1/2 inches in diameter C. round or oval D. not more than 38 inches above the tread nosing
D
How is a vapor barrier installed on interior walls with drywall? A. vapor barrier faces the room B. vapor barrier faces away from the room C. used only for ceilings D. not used on interior walls
D
How long does it take for grout to dry? A. 6 hours B. 12 hours C. 36 hours D. 72 hours
D
How many cubic yards of cement are required for a circle 4 inches thick with a diameter of 10 feet? A. 1/10 cubic yard B. 1/5 cubic yard C. 1/2 cubic yard D. 1 cubic yard
D
If an appliance has ________ or more Freon, a recovery system is required. A. 5 pounds B. 10 pounds C. never needs a recovery unit D. always needs a recovery unit
D
In a house with a passive solar system, the windows should face: A. north B. east C. west D. south
D
The constant-contact on/off switch for a circular saw may be disabled: A. by the contractor B. when placing the saw blade next to the material being cut C. by the worker D. never
D
The purpose of a vent in a plumbing system is to: A. allow fixtures to flow properly B. prevent sewer gas from entering the interior of the structure C. allow air to enter the structure D. both A and B
D
Title 24 includes: A. Energy Code B. Building Code C. Plumbing Code D. all of the above
D
What is the maximum distance an anchor bolt can be from the edge of the footing? A. 4 inches B. 6 inches C. 8 inches D. 12 inches
D
What is the maximum permitted distance between convenience outlets? A. 6 feet B. 8 feet C. 10 feet D. 12 feet
D
What is the minimum clearance in an attic crawl space? A. 18 inches B. 24 inches C. 28 inches D. 30 inches
D
What is the standard depth of a closet? A. 18 inches B. 20 inches C. 22 inches D. 24 inches
D
When installing gas lines in the crawl space of a house, what should you use when tapping into an existing gas line? A. junction B. all-threaded coupling C. union D. ground joint union
D
Which of the following is most dangerous about LP gas? A. it attacks the nervous system B. it has no taste or color C. it accumulates near the ceiling and can ignite D. it accumulates near the floor and can explode
D
Which of the following is not acceptable when making electrical connections? A. wire nut B. split bolt C. compression fitting D. twist wires and wrap with electrical tape
D
Which of the following is the most durable wallpaper? A. foil B. hemp C. burlap D. vinyl
D
Which of the following is the smallest wire gage? A. 00 B. 0 C. 1 D. 3
D
f needed, which of the following must be provided by the employer during demolition? A. hearing protection B. safety goggles C. hard hats D. all of the above
D
What is the allowable live load for a flat roof that is less than 200 square feet? A. 12 psf B. 16 psf C. 20 psf D. 24 psf
V
According to the California Residential Code, what is the minimum height of a bedroom ceiling? A. 7 feet B. 7 feet-6 inches C. 8 feet D. 8 feet-6 inches
A
According to the California Residential Code, what is the minimum height of a kitchen ceiling? A. 7 feet B. 7 feet-6 inches C. 8 feet D. 8 feet-6 inches
A
Asbestos is most dangerous when: A. friable B. encapsulated C. forming D. encased
A
For which of the following is a DOSH permit required? A. an excavation 5 feet or deeper that workers must enter B. scaffolding that is 2 stories high C. roofing operations 1 story above grade D. ladder jack scaffolds over 7-1/2 feet high
A
High-frequency vibration used to compact freshly poured concrete results in: A. higher lateral pressures B. faster curing time C. lower lateral pressures D. slower curing time
A
How far from the centerline of a roof valley must the flashing extend? A. 8 inches B. 12 inches C. 16 inches D. 24 inches
A
How many board feet are in a 6 inch D x 8 inch W x 12 foot L beam? A. 48 bf B. 72 bf C. 144 bf D. 576 bf
A
How many cubic yards of cement are required for a circle 4 inches thick with a circumference of 10 feet? A. 1/10 cubic yard B. 1/5 cubic yard C. 1/2 cubic yard D. 1 cubic yard
A
In determining the size of rafters, what are the factors that must considered? A. span, spacing, live load, dead load B. type of sheathing, span, spacing C. span, length, type of material D. span, live load, type of sheathing
A
The proper technique for lifting heavy loads is to: A. bend knees and keep back straight B. bend back and keep knees straight C. bend knees as well as the back D. let someone else do it
A
What is a disadvantage of using a China bristle brush? A. it swells when used with latex paint B. it swells when used with oil-based paint C. it leaves streaks when applying a clear finish coat D. it leaves behind bristles in the paint
A
What is an HD5 used for in residential construction? A. a holdown in wall framing B. a shim in door framing C. a hanger in ceiling framing D. a spray lubricant
A
What is specified by the term "penny" in reference to nails? A. size B. length C. type of head D. material
A
What is the minimum insulation required for a water heater? A. R12 B. R15 C. R18 D. R21
A
What is the minimum lap for opposing joists? A. 3 inches B. 12 inches C. 18 inches D. 24 inches
A
What is the minimum required width of a residential shower door? A. 22 inches B. 24 inches C. 28 inches D. 30 inches
A
What type of wood is the most common to use for roofing shingles? A. western red cedar B. redwood C. spruce D. teakwood
A
When insulation is installed on exterior walls of a house, the foil side should face: A. the interior of the walls B. the exterior of the walls C. there should be foil on both sides D. faced insulation shouldn't be used in walls
A
When replacing a hardwood floor, the first thing you should do is: A. inspect the existing floor B. put building paper down C. put plywood down D. reinforce the joists
A
Where should you put a vapor barrier in relation to a concrete slab? A. under the slab B. on top of the slab C. around the edges of the slab D. embedded in the slab
A
Which of the following is most critical when mixing concrete? A. water-to-cement ration B. water-to-sand ratio C. water-to-gravel ratio D. sand-to-gravel ratio
A
Which type of material would not be installed on a 2/12 pitch roof? A. shingles B. torch down C. hot mop D. roll roofing
A
You would use a voltmeter wired in ____________ to test a(n) _______________ circuit. A. parallel; energized B. parallel; non-energized C. series; energized D. series; non-energized
A
A contractor is adding a room to a 1960 original construction, built to 1960 codes. Which of the following best reflects the permit requirements for the existing and new construction? A. the 1960 portion of the house must be brought up to current building standards B. the 1960 portion of the house (with the exception of the smoke and carbon monoxide detectors) doesn't have to be updated C. the permit for new construction doesn't affect the 1960 construction D. the 1960 portion of the house doesn't have to be upgraded
B
How much carpet, in square yards, is required for a room that is 14 feet-11inches x 11 feet-9 inches? A. 16 B. 19 C. 524 D. 539
B
If you have all of your workers in a building, with one crew sanding down a wall to be painted, what should you do with your other workers? A. put up plastic sheeting B. give them masks C. give them breathing instructions D. nothing
B
LPG stands for: A. light petroleum gas B. liquid petroleum gas C. laminated parallel guide D. lighted parallel guide
B
Loads over the opening for a window or a door are carried by: A. beams B. headers C. wall studs D. joists
B
The phrase "dropping a stringer" means: A. to balance stairs B. to allow for the thickness of the first tread C. to snap a chalk line from the stair stringer D. to dangle a plumb line when laying out the stringer
B
What are you required to do to discourage sexual harassment at the workplace? A. hire only one sex B. post signs C. have employees sign papers D. hold weekly meetings
B
What is the diameter for scaffolding bracing and posts? A. 2-1/2 inches B. 2 inches C. 1-1/2 inches D. it depends on the height of the scaffolding
B
What is the length of the hypotenuse of a right triangle where both sides are 4 feet long? A. 4.00 feet B. 5.66 feet C. 6.50 feet D. 7.33 feet
B
What is the maximum length of a 2-inch trap arm? A. 3-1/2 feet B. 5 feet C. 6 feet D. 10 feet
B
What is the maximum length of a double-cleat ladder? A. 12 feet B. 24 feet C. 36 feet D. 48 feet
B
What is the minimum depth for a one-story foundation? A. 8 inches B. 12 inches C. 18 inches D. 24 inches
B
What is the minimum fine for illegally removing asbestos? A. $100 B. $1,000 C. $3,000 D. $25,000
B
What is the minimum habitable area for rooms other than the kitchen? A. 56 square feet B. 70 square feet C. 90 square feet D. 100 square feet
B
What is the minimum height for a kickplate on a door? A. 6 inches B. 10 inches C. 12 inches D. 18 inches
B
What is the minimum requirement for natural light in a room? A. 5% B. 8% C. 15% D. 20%
B
What is the minimum size nail used to attach 1/2 inch gypsum wallboard? A. 3d B. 5d C. 6d D. 10d
B
What is the requirement for tree stump removal prior to construction? A. stumps must be removed outside of the foundation B. stumps must be removed to a depth of 12 inches C. stump removal is not required D. stump removal is only required for commercial buildings
B
What is the total price for 120 2 inch x 4 inch x 20 foot boards at $0.50 per board foot? A. $600 B. $800 C. $1,600 D. $3,200
B
What is the volume of a cylinder with a diameter of 2 feet and a length of 4 feet? A. 8.00 cubic feet B. 12.56 cubic feet C. 25.12 cubic feet D. 50.24 cubic feet
B
What should you do if traffic may endanger workers? A. schedule work for the least congested times B. hire flaggers to control the traffic C. work only in the middle of the night D. use trucks to block the intersection
B
When are flaggers required? A. when barriers and signs are not present B. when barriers and signs are inadequate C. when traffic is light D. when there is a detour
B
Where may you use BX cable? A. outdoor areas B. indoor dry areas C. wet areas D. none of the above
B
Which of the following gas appliances will not have a continuous pilot? A. boiler B. heat pump C. water heater D. furnace
B
Which of the following is used to countersink a nail? A. screwdriver B. nail set C. nail tacker D. mallet
B
Which of the following would be used to cut a 2-inch diameter circle? A. jigsaw B. hole saw C. arm saw D. circular saw
B
Who must be present for all fire sprinkler tests? A. fire chief B. HVAC contractor C. contractor D. owner
B
A truly vertical wall, correctly installed, is said to be: A. upright B. level C. plumb D. square
C
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 more than 7 calendar days before beginning work B. at least 3 working days but not more than calendar days before beginning work C. at least 2 woking days but not more than 14 calendar days before beginning work D. at least 3 working days but not more than 14 calendar days before beginning work
C
How high should a chimney extend above a roof? A. 1 foot B. 2 feet C. 3 feet D. 4 feet
C
How many nails are used on a a standard three-tab shingle? A. 2 B. 3 C. 4 D. 6
C
How many roofing squares are required for a 50 foot x 100 foot flat roof? A. 5 squares B. 10 squares C. 50 squares D. 100 squares
C
How many square feet will be covered by one square of composition shingles? A. 36 square feet B. 48 square feet C. 96 square feet D. 120 square feet
C
If a contract has been signed, when must a contractor start work? A. within 10 days B. within 15 days C. within 20 days D. within 30 days
C
Non-metallic sheathed cable must be supported every: A. 3 feet B. 4 feet C. 4-1/2 feet D. 6 feet
C
The rough opening around a door should be: A. 2 inches all the way around B. 2 inches side to side and 1 inch in height C. 2 inches side to side, 2 inches in height + height of finished floor D. 1 inches side to side and 2 inches in height
C
What is the minimum gage for galvanized steel roof valley flashing? A. No. 16 B. No. 24 C. No. 26 D. No. 30
C
What is the minimum height of a railing on a scaffold? A. 36 inches B. 40 inches C. 42 inches D. 48 inches
C
What is the minimum number of dedicated circuits required for a residential kitchen? A. one 15-amp circuit B. one 20-amp circuit C. two 20-amp circuits D. three 15-amp circuits
C
What is the most likely cause of alligator cracks in paint? A. too thin a coat B. too few coats C. painting over a wet base coat D. painting an unprimed surface
C
What is the standard depth of a base cabinet? A. 18 inches B. 20 inches C. 24 inches D. 32 inches
C
What is the standard height for cabinets? A. 32 inches B. 34 inches C. 36 inches D. 38 inches
C
What is the standard width of a garage door? A. 8 feet B. 8-1/2 feet C. 9 feet D. 9-1/2 feet
C
What is typically installed under the frame of the door? A. sill B. threshold C. flashing D. weatherstripping
C
When placing a ladder, the distance from the wall to the foot of the ladder should be equal to ________________ of the distance from the ground to the top support. A. 1/10 B. 1/5 C. 1/4 D. 1/3
C
Which of the following is most important when using a chainsaw? A. hat B. gloves C. earplugs D. knee pads
C
Which of the following is the best place to install a heater register? A. interior wall opposite a window B. interior wall opposite a door C. exterior wall under a window D. exterior wall away from doors
C
Which of the following is the least important when using a chainsaw? A. goggles B. ear plugs C. knee cups D. hard hat
C
Which of the following rooms must meet certain lighting requirements? A. kitchen B. bathroom C. kitchen and bathroom D. none of the above
C
Which statement is correct concerning oil rags stored at a job site? A. oily rags may not be stored at a job site B. oily rags may be stored at a job site in plastic bags C. oily rags may be stored at a job site in sealed containers D. oily rags may be stored at a job site only overnight
C