CR-1/CR-1 DRYWALL AND
ACOUSTICAL SYSTEMS EXAM | 132
QUESTIONS WITH ACTUAL
SOLUTIONS!!
When plastering, how far from the face can scaffolding be? - ANSWER-18 inches
How should doors and window openings be figured when estimating the square
feet of a room for drywall? - ANSWER-Figured solid with no openings
considered.
Max temperature allowed from a constant heat source behind drywall? -
ANSWER-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? - ANSWER-0
What size of screw is used to attach RC-1 resilient channels to wood joists? -
ANSWER-1-1/4 inch type W or S bugle head
Minimum screwable area of a metal stud used in gypsum drywall construction? -
ANSWER-1-1/4 inches
Describe type "X" drywall? - ANSWER-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? - ANSWER-16 inches
Proper order for hanging drywall? - ANSWER-Ceiling to walls
What type of gypsum board is recommended for soffit and patio ceiling? -
ANSWER-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? - ANSWER-10ft
When 5/8 inch drywall is fastened to 22 gage steel framing, what screw should
be used? - ANSWER-1 inch type S bugle head
, Gypsum wall board covering used in structures is primarily to? - ANSWER-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? - ANSWER-100 grit sandpaper
Control joints should be used in drywall partitions when the wall surface in any
either direction exceeds? - ANSWER-30 feet
Which SHOULD be used for drywall finishing in preparation for painting and wall
covering? - ANSWER-Trowel
If an employee provides his/her own protective equipment, who is responsible for
its maintenance? - ANSWER-Employer
Which screw would you use to fasten 5/8 inch drywall to 16 gauge steel framing?
- ANSWER-Type S-12
To fasten drywall to 18 gauge steel studs, what screws are used? - ANSWER-
Type S-12
Which type of drywall could NOT be used where moisture is present? -
ANSWER-Resistant LRI 100
When drywall panels span the flat grain of wide dimensional lumbar such as a
floor joist and headers? - ANSWER-Float panels over these members with no
fasteners.
What tool is used to simultaneously apply paper joint tape and joint compound to
gypsum board joints? - ANSWER-Banjo
On a laminated ceiling with wood framing, what is the max fastener spacing
allowed for the attachment of the face layer? - ANSWER-16 inches
Flexible metal corner tape is attached by using? - ANSWER-Standard joint
compound
NOT true about drywall installation? - ANSWER-Vertical joints on opposite sides
of wall should occur on the same stud.
MR board is generally availed in standard lengths up to? - ANSWER-12 ft
ACOUSTICAL SYSTEMS EXAM | 132
QUESTIONS WITH ACTUAL
SOLUTIONS!!
When plastering, how far from the face can scaffolding be? - ANSWER-18 inches
How should doors and window openings be figured when estimating the square
feet of a room for drywall? - ANSWER-Figured solid with no openings
considered.
Max temperature allowed from a constant heat source behind drywall? -
ANSWER-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? - ANSWER-0
What size of screw is used to attach RC-1 resilient channels to wood joists? -
ANSWER-1-1/4 inch type W or S bugle head
Minimum screwable area of a metal stud used in gypsum drywall construction? -
ANSWER-1-1/4 inches
Describe type "X" drywall? - ANSWER-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? - ANSWER-16 inches
Proper order for hanging drywall? - ANSWER-Ceiling to walls
What type of gypsum board is recommended for soffit and patio ceiling? -
ANSWER-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? - ANSWER-10ft
When 5/8 inch drywall is fastened to 22 gage steel framing, what screw should
be used? - ANSWER-1 inch type S bugle head
, Gypsum wall board covering used in structures is primarily to? - ANSWER-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? - ANSWER-100 grit sandpaper
Control joints should be used in drywall partitions when the wall surface in any
either direction exceeds? - ANSWER-30 feet
Which SHOULD be used for drywall finishing in preparation for painting and wall
covering? - ANSWER-Trowel
If an employee provides his/her own protective equipment, who is responsible for
its maintenance? - ANSWER-Employer
Which screw would you use to fasten 5/8 inch drywall to 16 gauge steel framing?
- ANSWER-Type S-12
To fasten drywall to 18 gauge steel studs, what screws are used? - ANSWER-
Type S-12
Which type of drywall could NOT be used where moisture is present? -
ANSWER-Resistant LRI 100
When drywall panels span the flat grain of wide dimensional lumbar such as a
floor joist and headers? - ANSWER-Float panels over these members with no
fasteners.
What tool is used to simultaneously apply paper joint tape and joint compound to
gypsum board joints? - ANSWER-Banjo
On a laminated ceiling with wood framing, what is the max fastener spacing
allowed for the attachment of the face layer? - ANSWER-16 inches
Flexible metal corner tape is attached by using? - ANSWER-Standard joint
compound
NOT true about drywall installation? - ANSWER-Vertical joints on opposite sides
of wall should occur on the same stud.
MR board is generally availed in standard lengths up to? - ANSWER-12 ft
