CR-1/CR-1 Drywall and Acoustical Systems
ACTUAL QUESTIONS AND CORRECT
ANSWERS
When plastering, how far from the face can scaffolding be? - CORRECT ANSWERS✅✅18
inches
How should doors and window openings be figured when estimating the square feet of a
room for drywall? - CORRECT ANSWERS✅✅Figured solid with no openings considered.
Max temperature allowed from a constant heat source behind drywall? - CORRECT
ANSWERS✅✅125 degree F
Adhesives are used to install 4ft by 8ft sheet of drywall to a wall with studs spaced at 16
inches O.C. How many field fasteners are required? - CORRECT ANSWERS✅✅0
What size of screw is used to attach RC-1 resilient channels to wood joists? - CORRECT
ANSWERS✅✅1-1/4 inch type W or S bugle head
Minimum screwable area of a metal stud used in gypsum drywall construction? - CORRECT
ANSWERS✅✅1-1/4 inches
Describe type "X" drywall? - CORRECT ANSWERS✅✅It has fire resistant core additives
Recommended spacing, center to center, for 1-1/4 inch drywall screws when attaching 5/8
inch gypsum board to studs spaced 24 inches on center without using adhesive? - CORRECT
ANSWERS✅✅16 inches
Proper order for hanging drywall? - CORRECT ANSWERS✅✅Ceiling to walls
What type of gypsum board is recommended for soffit and patio ceiling? - CORRECT
ANSWERS✅✅Exterior gypsum ceiling board
, Runners used to align and secure metal studs to the floor and the ceiling are available in a
max standard length of? - CORRECT ANSWERS✅✅10ft
When 5/8 inch drywall is fastened to 22 gage steel framing, what screw should be used? -
CORRECT ANSWERS✅✅1 inch type S bugle head
Gypsum wall board covering used in structures is primarily to? - CORRECT
ANSWERS✅✅Be used to protect the structural element from heat and fire.
Which should NOT be used to smooth and level joint compound ridges and imperfections? -
CORRECT ANSWERS✅✅100 grit sandpaper
Control joints should be used in drywall partitions when the wall surface in any either
direction exceeds? - CORRECT ANSWERS✅✅30 feet
Which SHOULD be used for drywall finishing in preparation for painting and wall covering?
- CORRECT ANSWERS✅✅Trowel
If an employee provides his/her own protective equipment, who is responsible for its
maintenance? - CORRECT ANSWERS✅✅Employer
Which screw would you use to fasten 5/8 inch drywall to 16 gauge steel framing? -
CORRECT ANSWERS✅✅Type S-12
To fasten drywall to 18 gauge steel studs, what screws are used? - CORRECT
ANSWERS✅✅Type S-12
Which type of drywall could NOT be used where moisture is present? - CORRECT
ANSWERS✅✅Resistant LRI 100
When drywall panels span the flat grain of wide dimensional lumbar such as a floor joist and
headers? - CORRECT ANSWERS✅✅Float panels over these members with no fasteners.
ACTUAL QUESTIONS AND CORRECT
ANSWERS
When plastering, how far from the face can scaffolding be? - CORRECT ANSWERS✅✅18
inches
How should doors and window openings be figured when estimating the square feet of a
room for drywall? - CORRECT ANSWERS✅✅Figured solid with no openings considered.
Max temperature allowed from a constant heat source behind drywall? - CORRECT
ANSWERS✅✅125 degree F
Adhesives are used to install 4ft by 8ft sheet of drywall to a wall with studs spaced at 16
inches O.C. How many field fasteners are required? - CORRECT ANSWERS✅✅0
What size of screw is used to attach RC-1 resilient channels to wood joists? - CORRECT
ANSWERS✅✅1-1/4 inch type W or S bugle head
Minimum screwable area of a metal stud used in gypsum drywall construction? - CORRECT
ANSWERS✅✅1-1/4 inches
Describe type "X" drywall? - CORRECT ANSWERS✅✅It has fire resistant core additives
Recommended spacing, center to center, for 1-1/4 inch drywall screws when attaching 5/8
inch gypsum board to studs spaced 24 inches on center without using adhesive? - CORRECT
ANSWERS✅✅16 inches
Proper order for hanging drywall? - CORRECT ANSWERS✅✅Ceiling to walls
What type of gypsum board is recommended for soffit and patio ceiling? - CORRECT
ANSWERS✅✅Exterior gypsum ceiling board
, Runners used to align and secure metal studs to the floor and the ceiling are available in a
max standard length of? - CORRECT ANSWERS✅✅10ft
When 5/8 inch drywall is fastened to 22 gage steel framing, what screw should be used? -
CORRECT ANSWERS✅✅1 inch type S bugle head
Gypsum wall board covering used in structures is primarily to? - CORRECT
ANSWERS✅✅Be used to protect the structural element from heat and fire.
Which should NOT be used to smooth and level joint compound ridges and imperfections? -
CORRECT ANSWERS✅✅100 grit sandpaper
Control joints should be used in drywall partitions when the wall surface in any either
direction exceeds? - CORRECT ANSWERS✅✅30 feet
Which SHOULD be used for drywall finishing in preparation for painting and wall covering?
- CORRECT ANSWERS✅✅Trowel
If an employee provides his/her own protective equipment, who is responsible for its
maintenance? - CORRECT ANSWERS✅✅Employer
Which screw would you use to fasten 5/8 inch drywall to 16 gauge steel framing? -
CORRECT ANSWERS✅✅Type S-12
To fasten drywall to 18 gauge steel studs, what screws are used? - CORRECT
ANSWERS✅✅Type S-12
Which type of drywall could NOT be used where moisture is present? - CORRECT
ANSWERS✅✅Resistant LRI 100
When drywall panels span the flat grain of wide dimensional lumbar such as a floor joist and
headers? - CORRECT ANSWERS✅✅Float panels over these members with no fasteners.
