13 8 Flashcards
Pipe up to 12 inches diameter usually is designated by its nominal:
Inside diameter
Which of the following kinds of pipe would be affected the least by corrosion?
Stainless steel
Most distinguishing feature of pipe threads is their
Taper
A female end pipe fitting used for joining two lengths of pipe is called a
Coupling
A pipe fitting used to join lengths of pipe to permit easy opening of a line is called a
Union
Piping supports or hangers are used to:
All three
Provide rigidity
Prevent fatigue
Provide drainage
What type of gasket material would generally be used between the flanges of a piping system supplying low pressure cold services?
Rubber
____________ are commonly used where frequent cleaning is necessary
Duplex strainers
Plastic lined pipe would most likely not be used for thr transfer of
Oils
Most pipe is generally coated on the outside with galvanizing, paint, insulation ,etc to prevent:
All three
Corrosion
Condensation
Heat loss
To differentiate between pipes carrying different substances, pipe systems are often:
Color coded
All pipe systems should be installed in accordance with the:
ASCPP
American standard code for pressure piping
__________ strainers are used to automatically strain raw water to remove silt and debris
Self-cleaning
_____________ reduce wear and make large valves easier to open
Pressure equalizing lines
A _________ line is a line used to control the concentration of impurities in a pressure vessel.
Blowdown