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California Contractor Trade Test > Trade Review > Flashcards

Trade Review Flashcards

1
Q

How is drywall hung on the wall?

A) long side vertical
B) long side horizontal
C) diagonally
D) with staples

A

B) There is no requirement established by Building Codes or Standards for hanging drywall vertically or horizontally, BUT it is generally installed with the long side of the sheet horizontal. This helps minimize length of joints that will be finished.

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2
Q

What is the maximum cut on truss that is sitting on a wall framed with 2x4 lumber?

A) notched 1/2”
B) notched 3/4”
C) notched 1/3 the thickness
D) no cutting is allowed

A

D) Truss members are engineered to support a specific load. The Building Code does not allow any cutting, notching, drilling, or splicing without consulting the engineer.

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3
Q

What is the maximum amount of lead allowable for solder used on piping for potable water systems?

A) 2%
B) 1%
C) 0.2%
D) 0.01%

A

C) For potable water piping, the Plumbing Code prohibits the use of solder that contains more than 0.2% lead.

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4
Q

When a customer asked you to install trim what are they most likely referring to?

A) base and crown molding
B) flooring
C) lighting
D) plumbing fixtures

A

A) Interior trim refers to base and crown molding, chair rails, door and window frames, window sills (sometimes called a stool), window and door casing and in some cases, closet interiors.

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5
Q

What is the most common tool used to make a hole through a steel I-Beam structure?

A) hole saw
B) torch
C) drill
D) chisel

A

A) Holes up to 6” in diameter in thicker steel can be made with a hole saw. Small holes through relatively thin materials can be made with a home punch. Plasma cutters will also do the job, but they are more complicated, messy, and require more clean up/finish work.

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6
Q

Which of the following is the best way to sand wood?

A) along the grain
B) across the grain
C) across the grain vertically
D) circular

A

A) Generally, you should sand with the grain

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7
Q

Which of the following is the most toxic?

A) pvc cement
B) TSP
C) pipe joint compound
D) concrete from oil

A

A) pvc cement

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8
Q

What is the ventilation requirement for a natural gas water heater installed in a closet?

A) one vent 12” from the top of the enclosure
B) one vent 16” from the bottom of the closure
C) one vent 12” from the top of the enclosure and one vent 12” from the bottom of the enclosure
D) one vent 16” from the top of the enclosure and one vent 16” from the bottom of the enclosure

A

C) Both the Mechanical Code and the Plumbing Code require combustion air openings in the top 12” and the bottom 12” of any closet that contains fuel burning appliances.

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9
Q

A) An HD2A is a hold down commonly used with an anchor bolt. It attaches to both the stud and the sill plate. They can also be used to attach floor joists to the vertical framing members

A

A) An HD2A is a hold down commonly used with an anchor bolt. It attaches to both the stud and the sill plate. They can also be used to attach floor joists to the vertical framing members

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10
Q

What is the minimum distance for a beam/girder from the ground?

A) 8”
B) 12”
C) 18”
D) 24”

A

B) The minimum distance between the earth and the bottom of the beam or girder/beam is 12”. The distance can be less if the framing member is naturally durable wood or treated wood.

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11
Q

What is the minimum distance between the ground and floor joists?

A) 8”
B) 12”
C) 18”
D) 24”

A

C) the minimum distance between the earth and the bottom of the floor joists is 18”. Distance can be less with natural durable wood or pressure treated wood.

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12
Q

What type of fastener is used for strapping a hot water heater?

A) 3” lag bolt
B ) Crown staples
C) Drywall screws
D) roofing nails

A

A) All water heater must have safety straps installed. The straps must be located at the top and bottom third of the tank at least 4” above the controls. A 3” lag bolt is used to attach the strap to the wall.

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13
Q

What are the standard requirements for a traffic cone?

A) 16” tall
B) 18” tall
C) 20” tall
D) 23” tall

A

B) The manual of uniform traffic control devices requires cones that are used in daytime and on low speed roadways to be at least 18” tall. Cones being used at nighttime or on high-speed roadways must be at least 28” tall

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14
Q

What’s the proper position for the doorknob on an exterior door?

A) centered between 30” and 44” above the ground
B) on the right side
C) on the left side
D) at least 36” above the floor

A

A) The American with Disabilities Act requires the center of the door handles to be between 30” and 44” above the floor.

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15
Q

What is the maximum depth for a birds-mouth cut in a rafter?

A) 1/6 the depth of the rafter
B) 1/8 the depth of the rafter
C) 1/10 the depth of the rafter
D) 1/16 the depth of the rafter

A

A) a birds-mouth cut is used on a rafter that forms an overhang. Notches in the top or bottom of the rafter may not be located in the middle 1/3 of the span and are limited to 1/6 the depth of the framing member.

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16
Q

Which of the following is required when storing flammable and combustible materials?

A) store under lock and key
B) keep room ventilated
C) keep on metal shelf
D) store them off-site

A

B) flammable and combustible materials that are stored indoor must be stored in a well ventilated space.

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17
Q

If a blueprint is drawn to a scale of 1/4”=1’. Then 3” is equal to:

A) 1/4 in
B) 6 in
C) 4 ft
D) 12ft

A

D)12ft

18
Q

Who is ultimately responsible to make sure the job site is cleaned up at the end of the day?

A) Subs
B) Helper
C) General Contractor
D) Owner

A

C) General Contractor

19
Q

What is the minimum standard for a fire door?

A) 1-3/8”
B) 1-1/2”
C) 1-5/8”
D) 1-7/8”

A

A) A solid 1-3/8”

20
Q

Where are shear walls used?

A) Outside walls
B) inside walls
C) at the corners
D) all of the above

A

D) shear walls are required at all building corners as well as along all exterior walls. Shear walls are required in the interior when the exterior walls cannot provide sufficient strength and stiffness.

21
Q

What is the minimum clearance for an opening to an attic?

A) 30”
B) 45”
C) 54”
D) 60”

A

A) an opening at least 20” by 30” and has to have a minimum 30” headroom at the opening

22
Q

Where is a birdsmouth used?

A) at the sill plate
B) at the top plate
C) at a king stud
D) at a jack stud

A

B) it sits at the top plate

23
Q

Which of the following would you wet before using?

A) cinder blocks
B) bricks
C) granite
D) stone

A

B) clay or shale must be wetted

24
Q

What is the first thing that goes into a kitchen after the subfloor?

A) floor covering
B) appliances
C) cabinets
D) sinks and faucets

A

C) cabinets must be in place and flooring is done up to the cabinets.

25
Q

Holes in leech drain pipes should face:

A) up
B) down
C) to the side
D) both up and down

A

B) in gravity-flow leech fields system using perforated distribution piping, the perforations should be located at the bottom of the pipe.

26
Q

Lightweight concrete is best used for:

A) Driveways
B) walkways
C) upper balconies
D) steps

A

C) lightweight concrete is used best for upper story structures because it reduces the strength requirements for the supporting framework.

27
Q

What is the minimum distance above grade for an outdoor receptacle?

A) 12”
B) 18”
C) 24”
D) 36”

A

A) the minimum height of all receptacles is 12” above grade or floor level. The maximum height is 6-1/2’.

28
Q

How do you wire a garbage disposal?

A) hardwire
B) cord and plug
C) either hardwire or cord and plug
D) none of the above

A

C)either hardwire or cord and plug

29
Q

What type of ground is encased in concrete?

A) driven bar
B) ufer
C) a metal water-pipe electrode
D) armature rod

A

B) ufers are also known as concrete encased electrodes. They are not sufficient when used alone for grounding, but must be used in connection with a conventional ground rod and are frequently used to enhance and increase the grounding for a building in dry areas where grounding is more difficult.

30
Q

A commercial door intended for ADA access must have:

A) a lever handle
B) a kick plate
C) a maximum 1/2” threshold
D) all of the above

A

D) doors intended for ADA access must have either a lever-type handle, panic bars, or other type of hardware that is designed to be activated by a single action without needing the ability to grasp the hardware. The bottom 10” of a door must have a smooth level surface that will allow the door to be opened by the footrest of a wheelchair.

31
Q

Solar panels in California should face:

A) South
B) North
C) East
D) West

A

A) Solar panels should be installed facing south where they are free of shade between 9am-4pm which are hours of peak sunlight.

32
Q

When remodeling, what should be done first before removing a popcorn ceiling?

A) test the material on the ceiling
B) inspect the structure
C) lay out newspaper underneath
D) seal off the windows

A

A) have ceilings tested to determine if it contains asbestos.

33
Q

Which of the following is best use when removing framing with nails still in it?

A) skill saw
B) hack saw
C) reciprocating saw
D) Old chisel

A

C) reciprocating saw

34
Q

What tool is used to roughen up concrete?

A) bush hammer
B) jack hammer
C) cats paw
D) cold chisel

A

A) bush hammer

35
Q

Parquet flooring refers to what type of flooring?

A) linoleum
B) resilient flooring
C) wood flooring
D) tile

A

C) wood flooring

36
Q

What do you do if you must remove more than 100 sq ft of asbestos?

A) hire a certified asbestos contractor
B) phone the EPA
C) double-bag it and place it carefully in the trash
D) label it

A

A) hire a certified asbestos contractor

37
Q

What is installed last when installing a window?

A) bottom flashing
B) side flashing
C) top flashing
D) window

A

C) top flashing

38
Q

What do you do with asbestos when removing less than 100 sq ft?

A) throw it in a separate pile
B) label it
C) bag it
D) place it in the trash

A

C) The material must be thoroughly wetted prior and during removal; must be removed intact unless intact removal is impossible; cutting, abrading, or breaking the material is prohibited unless it is less likely to result in asbestos fiber release are not feasible; once asbestos material is removed it must be immediately bagged, wrapped, or kept wetted until transferred to closed receptacle no later than the end of the shift

39
Q

Whom do you contact before removing asbestos?

A) EPA
B) Cal/OSHA
C) DIR
D) no one

A

B) Cal/OSHA

40
Q

What is the minimum height of a toilet seat from the floor?

A) 15”
B) 16”
C) 18”
D) 20”

A

A) this is the minimum height for residential installs. In public buildings the top of the toilet must be between 17”-19” above floor

California Contractor Trade Test (2 decks)

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