PRACTICE QUESTIONS 2026 CORRECT
ANSWERS AND DETAILED EXPLANATION
T/F: A standpipe can serve as an indirect waste receptor. -
CORRECT ANSWERS -True
An open vent pipe that passes through a roof should extend at
least _____ inches above the roof. - CORRECT ANSWERS
-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. - CORRECT ANSWERS -7
If particleboard is used as wall sheathing, the grade mark with
Type _____ or _____ should be stamped on it. - CORRECT
ANSWERS -M-1 and M-2
,The purpose of gravel on a built-up tar-and-gravel roof is
__________. - CORRECT ANSWERS -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. - CORRECT
ANSWERS -48
The purpose of a cant strip is to __________. - CORRECT
ANSWERS -prevent the roof membrane from cracking at a
change in direction
The roofing material having the shortest life expectancy is
__________. - CORRECT ANSWERS -roll roofing
, A retaining wall ___________. - CORRECT ANSWERS -
is used to prevent soil movement
When lowering a basement floor, if the soil is excavated only to
the bottom of the footing, it may result in _____________. -
CORRECT ANSWERS -loss of lateral support for the
footing
The minimum end-bearing for beams is _____ inches. -
CORRECT ANSWERS -3-5/8
A load-bearing stud wall has a ____________. - CORRECT
ANSWERS -double top plate and a single sole plate
Truss uplift is believed to be caused by ___________. -
CORRECT ANSWERS -a differential in humidity levels
within an attic
T/F: It is preferable to have downspouts discharge below grade
rather than above grade. - CORRECT ANSWERS -False