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PLUMBING LEVEL 3 EXAM COMPLETE 300
Questions and Detailed Answers LATEST
UPDATE THIS YEAR
QUESTION: A one-inch diameter copper water service is entering an existing building and
connects to a water meter. A water pressure gauge that displays a P.S.I. of-[68], is installed on
the piping at the downstream location of the water meter. QUESTION: What answer below
shall be considered most nearly correct to complete the following "Plumbing and gasfitting
math" related statement: A gauge placed at or near to a hose connection located on a floor
level that is 28-feet below this point would most likely indicate a p.s.i.g. of __________.
A) 11 to 12-p.s.i.g.
B) 59 to 60-p.s.i.g.
C) 60 to 61-p.s.i.g.
D) 80 to 81-p.s.i.g. - ANSWER-80 to 81-p.s.i.g. H x .434
QUESTION: for an offset what is the slanted portion of the pipe called
1 ALL THE BEST CHAMP!!
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A) Offset
B) Diagonal
C) Rise
D) Run - ANSWER-run
QUESTION: for an offset what is the height of the slanted potion called
A) Run
B) Diagonal
C) Rise
D) Hypotenuse - ANSWER-rise
QUESTION: A journeyman plumber and apprentice, who are employed by a master plumber,
have reached a point in a piping installation that will require them to offset around an
obstruction. The offset will be made using 45-degree fittings. Assume that the offset/rise at
point-[D] in FIGURE-[TP9-Q1-1B: PIPING OFFSET KNOWLEDGE] is 46". QUESTION: What answer
below shall be considered most nearly correct to complete the following "Plumbing and
gasfitting math" related statement: Assume that the fitting make-in for each 45-degree elbow is
known to be one-inch, the pipe length that is to be cut for the travel pipe [A] is ______
1 ALL THE BEST CHAMP!!
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A) 5'-4-⅞" B) 6'-6" C) 5'-2-⅞" D) 6'-4" - ANSWER-5ft 2 inches 7/8 46 x 1.41 = 64.86
QUESTION: A)Circumference X .3183
B)1 pound
C) Expansion of water to ice
D)1-gallon of water
A)DIAMETER
B)16 OUNCES
C)8%
D)231 CU INCHES - ANSWER-A)DIAMETER
B)16 OUNCES
C)8%
D)231 CU INCHES
QUESTION: A journeyman plumber and apprentice, who are employed by a master plumber,
are installing copper tubing as part of the water distribution system in a new commercial
building. QUESTION: What answer below shall be considered most correct to complete the
1 ALL THE BEST CHAMP!!
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following "Plumbing code knowledge" related statement: Hangers that are used to support 1-½-
inch copper tubing installed horizontally in this building shall be placed no more than _____-
apart.
A) 12'
B) 10-feet
C) Each story height
D) 6-feet - ANSWER-10 feet
QUESTION: : A journeyman plumber is installing the water distribution system in a new
residential dwelling. A one-inch copper water service and meter has been provided by the city.
The incoming water service P.S.I. is [85]. A pressure reducing valve has been provided and limits
incoming water pressure to 65 P.S.I. QUESTION: What answer below shall be considered most
correct to complete the following "Plumbing code knowledge" related statement: The code
may require the journeyman plumber to also install a ________.
A) Backflow preventer
B) Check valve
C) Pressure absorbing device
1 ALL THE BEST CHAMP!!
PLUMBING LEVEL 3 EXAM COMPLETE 300
Questions and Detailed Answers LATEST
UPDATE THIS YEAR
QUESTION: A one-inch diameter copper water service is entering an existing building and
connects to a water meter. A water pressure gauge that displays a P.S.I. of-[68], is installed on
the piping at the downstream location of the water meter. QUESTION: What answer below
shall be considered most nearly correct to complete the following "Plumbing and gasfitting
math" related statement: A gauge placed at or near to a hose connection located on a floor
level that is 28-feet below this point would most likely indicate a p.s.i.g. of __________.
A) 11 to 12-p.s.i.g.
B) 59 to 60-p.s.i.g.
C) 60 to 61-p.s.i.g.
D) 80 to 81-p.s.i.g. - ANSWER-80 to 81-p.s.i.g. H x .434
QUESTION: for an offset what is the slanted portion of the pipe called
1 ALL THE BEST CHAMP!!
, Page 2 of 62
A) Offset
B) Diagonal
C) Rise
D) Run - ANSWER-run
QUESTION: for an offset what is the height of the slanted potion called
A) Run
B) Diagonal
C) Rise
D) Hypotenuse - ANSWER-rise
QUESTION: A journeyman plumber and apprentice, who are employed by a master plumber,
have reached a point in a piping installation that will require them to offset around an
obstruction. The offset will be made using 45-degree fittings. Assume that the offset/rise at
point-[D] in FIGURE-[TP9-Q1-1B: PIPING OFFSET KNOWLEDGE] is 46". QUESTION: What answer
below shall be considered most nearly correct to complete the following "Plumbing and
gasfitting math" related statement: Assume that the fitting make-in for each 45-degree elbow is
known to be one-inch, the pipe length that is to be cut for the travel pipe [A] is ______
1 ALL THE BEST CHAMP!!
, Page 3 of 62
A) 5'-4-⅞" B) 6'-6" C) 5'-2-⅞" D) 6'-4" - ANSWER-5ft 2 inches 7/8 46 x 1.41 = 64.86
QUESTION: A)Circumference X .3183
B)1 pound
C) Expansion of water to ice
D)1-gallon of water
A)DIAMETER
B)16 OUNCES
C)8%
D)231 CU INCHES - ANSWER-A)DIAMETER
B)16 OUNCES
C)8%
D)231 CU INCHES
QUESTION: A journeyman plumber and apprentice, who are employed by a master plumber,
are installing copper tubing as part of the water distribution system in a new commercial
building. QUESTION: What answer below shall be considered most correct to complete the
1 ALL THE BEST CHAMP!!
, Page 4 of 62
following "Plumbing code knowledge" related statement: Hangers that are used to support 1-½-
inch copper tubing installed horizontally in this building shall be placed no more than _____-
apart.
A) 12'
B) 10-feet
C) Each story height
D) 6-feet - ANSWER-10 feet
QUESTION: : A journeyman plumber is installing the water distribution system in a new
residential dwelling. A one-inch copper water service and meter has been provided by the city.
The incoming water service P.S.I. is [85]. A pressure reducing valve has been provided and limits
incoming water pressure to 65 P.S.I. QUESTION: What answer below shall be considered most
correct to complete the following "Plumbing code knowledge" related statement: The code
may require the journeyman plumber to also install a ________.
A) Backflow preventer
B) Check valve
C) Pressure absorbing device
1 ALL THE BEST CHAMP!!
