Journeyman and Master Plumbing Exam Question Bank Exam Questions with Correct Answers
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Course
Plumbing
Institution
Plumbing
What degree is used for isometric drawings? - Answer-60 degrees
What is the recommended minimum of minutes for chlorine water management? - Answer-20-30 minutes
When you need to repair a single handle lavatory faucet, what needs to be replaced? - Answer-O ring
Galvanic corrosion of water s...
Journeyman and Master Plumbing Exam
Question Bank Exam Questions with
Correct Answers
What degree is used for isometric drawings? - Answer-60 degrees
What is the recommended minimum of minutes for chlorine water management? -
Answer-20-30 minutes
When you need to repair a single handle lavatory faucet, what needs to be replaced? -
Answer-O ring
Galvanic corrosion of water supply piping can occur where - Answer-steel pipe is joined
to a dissimilar metal pipe
Whenever necessary to make an inspection to enforce any of the provisions of the
Code, an authorized representative may enter the premises - Answer-at all reasonable
times
After completion of work and testing of sewer pipeline, who shall request inspection? -
Answer-Supervisor of job at job-site
If the Administrative Authority requests that a new type of material be used on a project,
who pays for the testing of the new material? - Answer-Contractor
When plumbing work is inspected and a "notice of correction" is served, how many days
does the contractor have to correct the work? - Answer-Within 10 days
What is the vertical distance called that is between the lowest opening of a pipe fixture
or appurtenance that is discharging waste to the overflow level of a fixture? - Answer-
Airgap, drainage
A cleanout which has direct access without the necessity of removing any panel or door
is defined to be - Answer-readily accessible
Distribution of water from any other source than intended is - Answer-backflow
Back-siphonage is defined as - Answer-the flowing back of used, contaminated or
polluted water from a plumbing fixture or vessel into a water supply pipe due to a
negative pressure in such pipe
The _________________________ is the pipe which carries potable water from a water
meter to a building. - Answer-building supply
,Backflow is defined as - Answer-non-potable water or other liquids entering a potable
water system
Any group of two or more similar adjacent fixtures that discharge into a common
horizontal waste branch is defined as a - Answer-battery
Which of the following connects one or more individual vents to a vent stack? - Answer-
Branch vent
A combination waste and vent system may be installed on a
_______________________ piping system. - Answer-horizontal
The minimum level at which a vacuum breaker may be installed above the flood level
rim of the device and service is called - Answer-the critical level
The "the critical level" is shown on a backflow prevention device by a
_______________ marking. - Answer-C-L or C/L
When a backflow prevention device does not bear a "critical level" marking, which part
of the device constitutes the critical level? - Answer-Bottom
What is the Critical Level on a backflow device? - Answer-Bottom
According to the Uniform Plumbing Code, a "cross connection" is defined as - Answer-a
connection through which non-potable water may enter a potable water system.
What is the name for the measurement taken along the centerline of a pipe and fittings?
- Answer-Developed length
"Existing work" is defined to be a plumbing system or any part thereof which - Answer-
has been installed prior to the effective date of the code.
A pipe which makes an angle of not more than 45 degrees with the horizontal is
considered - Answer-horizontal
A horizontal pipe is any pipe or fitting which is installed in a horizontal position or which
makes an angle of less than _________ degrees with the horizontal. - Answer-45
What statement is true about industrial waste? - Answer-It is free of fecal matter.
The "invert" elevation of a sewer line is the ____________________ of the pipe. -
Answer-inside bottom
, Water which is satisfactory for drinking, culinary and domestic purposes and meets the
requirements of the health authority having jurisdiction is defined as
_____________________ water. - Answer-potable
Refer to the illustration above. This is a multi-story installation. There is a sink draining
into the pipe above "A". What is the name for the pipe at "A"? - Answer-soil stack
With an on-demand water heater, no relief is required if the maximum inside heater is -
Answer-3 "
Any liquid waste containing animal or vegetable matter is called - Answer-sewage
That portion of the drainage system composed of the pipe from the fixture trap to the
vent serving that fixture is the _________________________. - Answer-trap arm
Refer to the illustration above. The trap seal in the illustration above is indicated by
dimension - Answer-B
Refer to the same illustration. The trap seal is the distance from the crown weir (bottom
of outlet) to the upper dip and shall not be less than 2 inches nor greater than _______
inches. - Answer-4
A trap arm is that portion of a fixture drain between the trap and the
_________________________________. - Answer-vent which serves it
The trap seal is indicated by _______________________________. - Answer-crown
weir to upper dip
A vent connecting a soil waste stack to a vent stack to prevent pressure changes. -
Answer-yoke vent
When preparing to ream a pipe, what should be done first? - Answer-Remove all chips
Where can you use a double hub cross sanitary tee? - Answer-horizontal to vertical
What type of pipe should never be threaded? - Answer-Cast iron
Enlargement of a 3" closet bend, or stub, to 4" is - Answer-permitted by this Code
True/False: A closet bend may be connected to a pipe which is the same size or larger.
- Answer-True
Refer to the illustration above. A trench runs parallel to the rooting of the building and is
deeper than the footing. What minimum angle is permitted at "A"? - Answer-45 degrees
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