SOLUTIONS 100%|GRADE A+|LATEST 2024/2025
Air-admittance valves are __________ to vent fixtures installed at island structures in kitchens. -
✔✔Permitted
The door between an attached garage and a dwelling unit should be of solid wood not less than
________ inches thick. - ✔✔1 3/8
If particleboard panels used as wall sheathing are applied in a horizontal pattern across the wall, the
end joints should be offset so that four panel corners ________. - ✔✔do not meet
The size of a P-trap drainpipe should be at least _______ inches. - ✔✔1.5
Notches in solid lumber joists, rafters and beams should not be longer than ____________ the depth
of the member. - ✔✔1/3
A minimum service of _____ amps is required for a single residential dwelling unit. - ✔✔100
If the service or feeder rating in amps is 200, then the aluminum AWG size should be _______. -
✔✔4/0
T/F: In homes located in areas having a history of ice forming along the eaves, an ice barrier
consisting of at least three layers of underlayment cemented together is required. - ✔✔True
There should be at least ____-inch gypsum board applied on the garage side to separate the garage
from the residence and its attic space. - ✔✔1/2
A window well should have a horizontal area of at least ____ square feet, with a minimum horizontal
projection and width of _____ inches. - ✔✔9 and 36
The opening to an attic space that has any mechanical equipment located in it should be a minimum
of ______ inches by ______ inches. - ✔✔30 and 20
, If there are appliances in the attic space, an opening at least _____ and a clear, unobstructed path
should be provided. - ✔✔22 inches wide and 30 high
Standpipes for clothes washers should extend at least ____ inches and no more than ____ inches
above the trap weir. - ✔✔18 and 42
T/F: A standpipe can serve as an indirect waste receptor. - ✔✔True
An open vent pipe that passes through a roof should extend at least _____ inches above the roof. -
✔✔6
If a roof is used for a purpose other than weather protection, the vent extensions should extend
above the roof by at least ____ feet. - ✔✔7
If particleboard is used as wall sheathing, the grade mark with Type _____ or _____ should be
stamped on it. - ✔✔M-1 and M-2
The purpose of gravel on a built-up tar-and-gravel roof is __________. - ✔✔to prevent delamination
of the plys
to protect the membrane from ultraviolet rays
to provide ballast to help hold down the roof membrane
A roof that has a problem with ponding generally still has water on it at least ____ hours after it has
rained. - ✔✔48
The purpose of a cant strip is to __________. - ✔✔prevent the roof membrane from cracking at a
change in direction
The roofing material having the shortest life expectancy is __________. - ✔✔roll roofing
A retaining wall ___________. - ✔✔is used to prevent soil movement