Journeyman and Master Plumbing Exam Question Bank
Latest Update.
What degree is used for isometric drawings? - Correct Answer 60 degrees
What is the recommended minimum of minutes for chlorine water management? - Correct
Answer 20-30 minutes
When you need to repair a single handle lavatory faucet, what needs to be replaced? -
Correct Answer O ring
Galvanic corrosion of water supply piping can occur where - Correct 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 - Correct Answer at all reasonable
times
After completion of work and testing of sewer pipeline, who shall request inspection? -
Correct 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? - Correct 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? - Correct 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? - Correct Answer
Airgap, drainage
A cleanout which has direct access without the necessity of removing any panel or door is
defined to be - Correct Answer readily accessible
Distribution of water from any other source than intended is - Correct Answer backflow
Back-siphonage is defined as - Correct 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. - Correct Answer building supply
Backflow is defined as - Correct 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 - Correct Answer battery
Which of the following connects one or more individual vents to a vent stack? - Correct
Answer Branch vent
A combination waste and vent system may be installed on a _______________________
piping system. - Correct 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 - Correct Answer the critical level
The "the critical level" is shown on a backflow prevention device by a _______________
marking. - Correct 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? - Correct Answer Bottom
What is the Critical Level on a backflow device? - Correct Answer Bottom
According to the Uniform Plumbing Code, a "cross connection" is defined as - Correct
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? -
Correct Answer Developed length
"Existing work" is defined to be a plumbing system or any part thereof which - Correct
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 - Correct 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. - Correct Answer 45
What statement is true about industrial waste? - Correct Answer It is free of fecal matter.
The "invert" elevation of a sewer line is the ____________________ of the pipe. - Correct
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. - Correct 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"? - Correct Answer soil stack
With an on-demand water heater, no relief is required if the maximum inside heater is -
Correct Answer 3 "
Any liquid waste containing animal or vegetable matter is called - Correct Answer sewage
That portion of the drainage system composed of the pipe from the fixture trap to the vent
serving that fixture is the _________________________. - Correct Answer trap arm
Refer to the illustration above. The trap seal in the illustration above is indicated by
dimension - Correct 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. - Correct Answer 4
A trap arm is that portion of a fixture drain between the trap and the
_________________________________. - Correct Answer vent which serves it
The trap seal is indicated by _______________________________. - Correct Answer
crown weir to upper dip
A vent connecting a soil waste stack to a vent stack to prevent pressure changes. -
Correct Answer yoke vent
When preparing to ream a pipe, what should be done first? - Correct Answer Remove all
chips
Where can you use a double hub cross sanitary tee? - Correct Answer horizontal to
vertical
What type of pipe should never be threaded? - Correct Answer Cast iron
Enlargement of a 3" closet bend, or stub, to 4" is - Correct Answer permitted by this Code
True/False: A closet bend may be connected to a pipe which is the same size or larger. -
Correct 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"? - Correct Answer 45
degrees
Latest Update.
What degree is used for isometric drawings? - Correct Answer 60 degrees
What is the recommended minimum of minutes for chlorine water management? - Correct
Answer 20-30 minutes
When you need to repair a single handle lavatory faucet, what needs to be replaced? -
Correct Answer O ring
Galvanic corrosion of water supply piping can occur where - Correct 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 - Correct Answer at all reasonable
times
After completion of work and testing of sewer pipeline, who shall request inspection? -
Correct 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? - Correct 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? - Correct 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? - Correct Answer
Airgap, drainage
A cleanout which has direct access without the necessity of removing any panel or door is
defined to be - Correct Answer readily accessible
Distribution of water from any other source than intended is - Correct Answer backflow
Back-siphonage is defined as - Correct 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. - Correct Answer building supply
Backflow is defined as - Correct 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 - Correct Answer battery
Which of the following connects one or more individual vents to a vent stack? - Correct
Answer Branch vent
A combination waste and vent system may be installed on a _______________________
piping system. - Correct 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 - Correct Answer the critical level
The "the critical level" is shown on a backflow prevention device by a _______________
marking. - Correct 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? - Correct Answer Bottom
What is the Critical Level on a backflow device? - Correct Answer Bottom
According to the Uniform Plumbing Code, a "cross connection" is defined as - Correct
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? -
Correct Answer Developed length
"Existing work" is defined to be a plumbing system or any part thereof which - Correct
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 - Correct 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. - Correct Answer 45
What statement is true about industrial waste? - Correct Answer It is free of fecal matter.
The "invert" elevation of a sewer line is the ____________________ of the pipe. - Correct
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. - Correct 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"? - Correct Answer soil stack
With an on-demand water heater, no relief is required if the maximum inside heater is -
Correct Answer 3 "
Any liquid waste containing animal or vegetable matter is called - Correct Answer sewage
That portion of the drainage system composed of the pipe from the fixture trap to the vent
serving that fixture is the _________________________. - Correct Answer trap arm
Refer to the illustration above. The trap seal in the illustration above is indicated by
dimension - Correct 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. - Correct Answer 4
A trap arm is that portion of a fixture drain between the trap and the
_________________________________. - Correct Answer vent which serves it
The trap seal is indicated by _______________________________. - Correct Answer
crown weir to upper dip
A vent connecting a soil waste stack to a vent stack to prevent pressure changes. -
Correct Answer yoke vent
When preparing to ream a pipe, what should be done first? - Correct Answer Remove all
chips
Where can you use a double hub cross sanitary tee? - Correct Answer horizontal to
vertical
What type of pipe should never be threaded? - Correct Answer Cast iron
Enlargement of a 3" closet bend, or stub, to 4" is - Correct Answer permitted by this Code
True/False: A closet bend may be connected to a pipe which is the same size or larger. -
Correct 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"? - Correct Answer 45
degrees
