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Journeyman and Master Plumbing Exam
Question Bank Questions and Answers
(100% Correct Answers) Already Graded
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What degree is used for isometric drawings?—Ans: 60 degrees
What is the recommended minimum of minutes for chlorine water
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management?—Ans: 20-30 minutes
When you need to repair a single handle lavatory faucet, what
needs to be replaced?—Ans: O ring
Galvanic corrosion of water supply piping can occur where—Ans:
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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—Ans: at all reasonable times
After completion of work and testing of sewer pipeline, who shall
request inspection?—Ans: 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?—Ans: Contractor
When plumbing work is inspected and a "notice of correction" is
served, how many days does the contractor have to correct the
work?—Ans: 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?—Ans: Airgap, drainage
A cleanout which has direct access without the necessity of
removing any panel or door is defined to be—Ans: readily
accessible
, 2
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Distribution of water from any other source than intended is—Ans:
backflow
Back-siphonage is defined as—Ans: 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.—Ans: building supply
Backflow is defined as—Ans: 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—Ans:
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battery
Which of the following connects one or more individual vents to a
vent stack?—Ans: Branch vent
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A combination waste and vent system may be installed on a
_______________________ piping system.—Ans: horizontal
The minimum level at which a vacuum breaker may be installed
above the flood level rim of the device and service is called—Ans:
the critical level
The "the critical level" is shown on a backflow prevention device
by a _______________ marking.—Ans: 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?—Ans: Bottom
What is the Critical Level on a backflow device?—Ans: Bottom
According to the Uniform Plumbing Code, a "cross connection" is
defined as—Ans: 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?—Ans: Developed length
, 3
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"Existing work" is defined to be a plumbing system or any part
thereof which—Ans: 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—Ans: 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.—Ans: 45
What statement is true about industrial waste?—Ans: It is free of
fecal matter.
The "invert" elevation of a sewer line is the ____________________ of
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the pipe.—Ans: inside bottom
Water which is satisfactory for drinking, culinary and domestic
purposes and meets the requirements of the health authority
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having jurisdiction is defined as _____________________ water.—Ans:
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"?—Ans: soil stack
With an on-demand water heater, no relief is required if the
maximum inside heater is—Ans: 3 "
Any liquid waste containing animal or vegetable matter is
called—Ans: sewage
That portion of the drainage system composed of the pipe from
the fixture trap to the vent serving that fixture is the
_________________________.—Ans: trap arm
Refer to the illustration above. The trap seal in the illustration
above is indicated by dimension—Ans: 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.—Ans: 4
For Expert help and assignment solutions, +254707240657
Journeyman and Master Plumbing Exam
Question Bank Questions and Answers
(100% Correct Answers) Already Graded
A+
What degree is used for isometric drawings?—Ans: 60 degrees
What is the recommended minimum of minutes for chlorine water
© 2025 Assignment Expert
management?—Ans: 20-30 minutes
When you need to repair a single handle lavatory faucet, what
needs to be replaced?—Ans: O ring
Galvanic corrosion of water supply piping can occur where—Ans:
Guru01 - Stuvia
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—Ans: at all reasonable times
After completion of work and testing of sewer pipeline, who shall
request inspection?—Ans: 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?—Ans: Contractor
When plumbing work is inspected and a "notice of correction" is
served, how many days does the contractor have to correct the
work?—Ans: 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?—Ans: Airgap, drainage
A cleanout which has direct access without the necessity of
removing any panel or door is defined to be—Ans: readily
accessible
, 2
For Expert help and assignment solutions, +254707240657
Distribution of water from any other source than intended is—Ans:
backflow
Back-siphonage is defined as—Ans: 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.—Ans: building supply
Backflow is defined as—Ans: 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—Ans:
© 2025 Assignment Expert
battery
Which of the following connects one or more individual vents to a
vent stack?—Ans: Branch vent
Guru01 - Stuvia
A combination waste and vent system may be installed on a
_______________________ piping system.—Ans: horizontal
The minimum level at which a vacuum breaker may be installed
above the flood level rim of the device and service is called—Ans:
the critical level
The "the critical level" is shown on a backflow prevention device
by a _______________ marking.—Ans: 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?—Ans: Bottom
What is the Critical Level on a backflow device?—Ans: Bottom
According to the Uniform Plumbing Code, a "cross connection" is
defined as—Ans: 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?—Ans: Developed length
, 3
For Expert help and assignment solutions, +254707240657
"Existing work" is defined to be a plumbing system or any part
thereof which—Ans: 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—Ans: 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.—Ans: 45
What statement is true about industrial waste?—Ans: It is free of
fecal matter.
The "invert" elevation of a sewer line is the ____________________ of
© 2025 Assignment Expert
the pipe.—Ans: inside bottom
Water which is satisfactory for drinking, culinary and domestic
purposes and meets the requirements of the health authority
Guru01 - Stuvia
having jurisdiction is defined as _____________________ water.—Ans:
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"?—Ans: soil stack
With an on-demand water heater, no relief is required if the
maximum inside heater is—Ans: 3 "
Any liquid waste containing animal or vegetable matter is
called—Ans: sewage
That portion of the drainage system composed of the pipe from
the fixture trap to the vent serving that fixture is the
_________________________.—Ans: trap arm
Refer to the illustration above. The trap seal in the illustration
above is indicated by dimension—Ans: 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.—Ans: 4
