Plumbing Year 2 Final Exam Questions with Correct Answers
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Course
Plumbing
Institution
Plumbing
A person alleged to be in violation of provisions of this code will notified by ______ of the time and location of his hearing. - Answer-Registered Mail
T / F Cities within the State of Idaho must adopt and enforce the State Plumbing rules and laws. - Answer-False
Duties of the Plumbing Depar...
Plumbing Year 2 Final Exam Questions
with Correct Answers
A person alleged to be in violation of provisions of this code will notified by ______ of
the time and location of his hearing. - Answer-Registered Mail
T / F Cities within the State of Idaho must adopt and enforce the State Plumbing rules
and laws. - Answer-False
Duties of the Plumbing Department Program Manager at the division of building safety
include: - Answer--Impose civil penalties as provided
-Take action to prevent any person not in compliance with State of Idaho plumbing laws
from further violations
-Administer oaths of witnesses appearing before him
-Appoint licensed inspectors
Rolling offsets form _____ right triangles. - Answer-2
The true offset for an installation with a rise of 5-5/8 inches and an offset of 4-7/8 inches
is ______ inches. - Answer-7-7/16
To find the run in a rolling offset, multiply the ______ by the constant for the fitting
angle. - Answer-True offset
T / F Static pressure is pressure existing without any flow. - Answer-True
A 4" sewer pipe is 94 feet from the test wye at the sewer to the stub into the home. The
cleanout is 36" tall from center to the cleanout plug. If your hose is putting out 3 1/2
gallons per minute, how long will it take to fill the pipe with water? - Answer-18
A common slope for a shower subfloor, measured from the wall framing to the edge of
the drain base, is ____ per foot. - Answer-1/4"
Backwater valves shall be installed when there are fixtures on a floor level that is lower
than ______. - Answer-The next upstream manhole
Cleanouts upstream of a backwater valve shall be ______. - Answer-Marked with a sign
which says: backwater valve downstream
Drainage piping serving fixture below the ______ of the main sewer shall drain into an
approved water-tight sump. - Answer-Crown level
T / F Fixtures on the floors above the backwater valve must discharge into the sewer
downstream of the backwater valve. - Answer-True
, For single-family dwellings, what are the requirements for sewage ejector pumps? -
Answer--Capable of pumping not less than 20 gpm
-Must have a backwater valve and gate valve installed on the discharge line
-Must pass a 1 1/2" solid ball
-Not less than 2" discharge
If the vents of the fixtures draining into a sump are combined with the sump vent they
______ the fixture unit rating of that vent pipe. - Answer-have no effect upon
What are the requirements for "public use" sewage pumps? - Answer--Operate
independently when one pump fails
-Must function alternately
-Have an audio and visual high-water alarm
-Lowest inlet shall be two inches above the turn-on level
-Must have dual pumps
-All parts must be accessible
Yes / No Sewage pump vents may be combined with other vents. - Answer-Yes
All plumbing inspectors within the State of Idaho shall have the following qualifications. -
Answer--Be fully familiar with the plumbing codes
-Have a journeyman plumber's license
-Have not less than 5 years experience in the plumbing trade
Apprentice and journeyman plumbers must have their registrations or certificates of
competency _____. - Answer-On their person, or close to the job site
The formula used to express the relationships among the sides of a right triangle is
called the _____. - Answer-Pythagorean theorem
When calculating an offset using 45-degree elbows, _____. - Answer-The rise and the
run equal
Deviations from this codes are permitted when ______. - Answer-Work is done in
existing buildings
T / F Once a building begins to be remolded, all plumbing contained within said building
shall be made to comply with current codes. - Answer-False
T / F When an existing building changes use or occupancy, all plumbing systems within
must be brought into compliance with current codes. - Answer-True
______ drawings serve as the permanent record of a project. - Answer-As-built
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