A four-inch lateral riser is to be fabricated for a 6-inch pipe. How many ordinate strains will
be needed to lay out this reduce ?
A) 32
B) 16
C) 8
D) 4 - ANS-C
A bloodless spring relieves
A) Cavitation
B) Water hammer
C) Thermal expansion
D) Tension - ANS-C
A duration of one half-inch pipe is to be reduce to run between ninety-drgree 6,000# threaded
fittings. The fittings measure 7 feet 2 1/four inches center-to-middle. What is the cut duration of
the pipe?
A) 6 ft 8 5/8 inches
B) 6 ft 8 three/4 inches
C) 6 ft 10 5/8 inches
D) 7 ft 2 1/four inches - ANS-C
A pipe nipple is any period of threaded pipe that is shorter than
A) 12''
B) thirteen''
C) 14''
D) 15'' - ANS-A
A piping drawing that shows both the aspect view and the pinnacle view of a piping machine is
A) Elevation
B) Isometric
C) Plan
D) Double-line - ANS-B
A plot suggests the:
A) Framework of a constructing
B) Schematic diagram of a system
C) Location of a building on a bit of belongings
D) Locations of system inside a gadget - ANS-C
A plug valve is used to.
A) Start and forestall drift
B) Regulate go with the flow
C) Prevent reverse flow
, D) Divert flow - ANS-A
A pretest discipline inspection includes all the following EXCEPT the
A) Piping system matches the drawings
B) Piping components suit the specs
C) Proper gaskets are Installed
D) Vent at the low point of the machine - ANS-D
A threading system prepared with NPT dies is designed to reduce which kind of threads.
A) Machine bolt threads
B) National pipe threads
C) New pipe threads
D) Non-plumbed threads - ANS-B
A vertical pipe full of 10'' of water has a head pressure of
A) 4.25 psi
B) four.33 psi
C) four.38 psi
D) 4.5 psi - ANS-B
All of the subsequent drawing dimensions are used to decide the general length of Run
of a pipe EXCEPT.
A) Pipe diameter
B) Center-to-center
C) Face-to-face
D) Center-to-face - ANS-A
All of the subsequent styles of pipe are thermoplastic EXCEPT.
A) Polyvinyl Chloride (PVC)
B) Fiberglass
C) Polyethylene
D) Acrylonitrile - Butadiene- Styrene - ANS-B
All piping and piping components are recognized by what international identification
system?
A) API
B) ASTM
C) ASME
D) WPS - ANS-B
At and above what norminal pipe size is the O.D. Of the pipe similar to the norminal
length of the pipe.
A) 10''
B) 12''
C) 14''
D) 16'' - ANS-C
At what size does a pipe start to be measured through the outdoor diameter?
A) 8 inches
B) 10 inches
C) 12 inches
D) 14 inches - ANS-D
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