Weekly Exam 1 - Plumbing Code Questions
And Answers Latest 2026 Update!!!
Color for Type M copper pipe
A. Red
A. Red B. Green
C. Yellow
D. Blue
Any pipe or fitting installed at an angle of more
than 45 degrees with the vertical line.
A. parallel pipe
C. horizontal pipe
B. vertical pipe
C. horizontal pipe
D. diagonal pipe
A gas furnace vent has been installed with many
elbows. What will be the effect of this
installation?
C. reduced draft efficiency A. temperature build-up
B. increased draft velocity
C. reduced draft efficiency
D. stabilized vent structure
Depth of the molten pig lead in a caulked joint
A. 19 mm
D. 25.4 mm B. 51 mm
C. 3.2 mm
D. 25.4 mm
, Tube made of plastic material and colored black.
The cross-sectional shape is normally oval and is
denoted by its outside diameter or O.D.
A. Polyvinyl Chloride
B. Polyethylene
C. Polybutylene
D. Acrylonitrile-Butadiene-Styrene
A plumbing permit shall become null and void if
the plumbing work has been suspended or
abandoned for a period or .
D. 120 days A. 90 days
B. 365 days
C. 360 days
D. 120 days
Common maximum service temperature rating
of PVC
A. 140 deg. F
A. 140 deg. F B. 160 deg. F
C. 180 deg. F
D. 120 deg. F
Plumbing fixtures shall be made of smooth
non-absorbent material, free from concealed
fouling surfaces and shall be located in
ventilated enclosures
B. Principle No. 7 A. Principle No. 15
B. Principle No. 7
C. Principle No. 5
D. Principle No. 13
Wiped lead joints shall have an exposed surface
on each side of a joint not less than .
A. 25.4 mm
C. 19 mm
B. 51 mm
C. 19 mm
D. 3.2 mm
B. stretched What is the least method to lay a PB or PE tube
on trenches?
And Answers Latest 2026 Update!!!
Color for Type M copper pipe
A. Red
A. Red B. Green
C. Yellow
D. Blue
Any pipe or fitting installed at an angle of more
than 45 degrees with the vertical line.
A. parallel pipe
C. horizontal pipe
B. vertical pipe
C. horizontal pipe
D. diagonal pipe
A gas furnace vent has been installed with many
elbows. What will be the effect of this
installation?
C. reduced draft efficiency A. temperature build-up
B. increased draft velocity
C. reduced draft efficiency
D. stabilized vent structure
Depth of the molten pig lead in a caulked joint
A. 19 mm
D. 25.4 mm B. 51 mm
C. 3.2 mm
D. 25.4 mm
, Tube made of plastic material and colored black.
The cross-sectional shape is normally oval and is
denoted by its outside diameter or O.D.
A. Polyvinyl Chloride
B. Polyethylene
C. Polybutylene
D. Acrylonitrile-Butadiene-Styrene
A plumbing permit shall become null and void if
the plumbing work has been suspended or
abandoned for a period or .
D. 120 days A. 90 days
B. 365 days
C. 360 days
D. 120 days
Common maximum service temperature rating
of PVC
A. 140 deg. F
A. 140 deg. F B. 160 deg. F
C. 180 deg. F
D. 120 deg. F
Plumbing fixtures shall be made of smooth
non-absorbent material, free from concealed
fouling surfaces and shall be located in
ventilated enclosures
B. Principle No. 7 A. Principle No. 15
B. Principle No. 7
C. Principle No. 5
D. Principle No. 13
Wiped lead joints shall have an exposed surface
on each side of a joint not less than .
A. 25.4 mm
C. 19 mm
B. 51 mm
C. 19 mm
D. 3.2 mm
B. stretched What is the least method to lay a PB or PE tube
on trenches?
