PHEP Ch. 8 Piping System Flashcards
Lines that reduce wear and make large valves easier to open are _____ _____ lines.
Pressure Equalizing.
Plastic lined pipe would most likely not be used for the transfer of?
Oils.
Most pipe is generally coated on the outside with paint, galvanize, or insulation to prevent what?
All Three
Corrosion
Condensation
Heat Loss
Strainers that are used to automatically strain raw water to remove silt and debris are?
Self-Cleaning.
Which of the following kinds of pipe would be least affected by corrosion?
Stainless Steel.
A pipe fitting used to join lengths of pipe to permit easy opening of a line is called a?
Union.
Where frequent cleaning is necessary, it is best to use a?
Duplex Strainer.
A female end pipe fitting used for joining two lengths of pipe is called a?
Coupling.
Pipe having a diameter of less than 12 inches is usually designed by its what?
Inner Diameter.
To differentiate between pipes carrying different substances, pipe systems are often?
Color coded.
What type of gasket material would generally be used between flanges of a piping system supplying low pressure cold services?
Rubber.
All pipe systems should be installed in accordance with who?
ASCPP (American Standard Code for Pressure Piping)
A line used to control the concentration of impurities in a pressure vessel is a _____ line.
Blow Down
Pipe supports or hangers are used to?
All Three
Provide rigidity
Prevent metal fatigue
Provide drainage
An unexplained drop of pressure or flow through a strainer is an indication of?
Plugging.
A _____ in a pipe system is normally a pipe enlargement or volume chamber having an inlet and outlet located at the top and a drain line from the bottom.
Seperator.
A line designed to supply necessary water to from a seal at a clearance and to lubricate and cool the clearance is a?
Gland Seal.
Y-type strainers should be installed?
Either vertically or horizontally.
To make flanged joints pressure tight, _____ are usually inserted between the flanges.
Gaskets.
To simplify drawings of pipe systems, we use _____ to represent various components.
Symbols.
A line designed to return a fluid back to a piece of equipment in order to maintain a desired fluid level, temperature, pressure, or flow is a?
Recirculating line.
A 90 degree pipe fitting with both inside and outside threads is called a?
Street Elbow.
In many pipe systems, large pipe loops are used to?
Permit pipe expansion.
A line in a pipe system designed for routing the full system flow around a particular piece of equipment is called a?
Bypass Line.
A device used to check oscillation or level out the movement of the fluid in a pipe system is called a?
Snubber.
The most distinguishing feature of a pipe thread is their?
Taper.
