PHEP Ch. 8 Piping System

Question 1

Lines that reduce wear and make large valves easier to open are _____ _____ lines.

Answer 1

Pressure Equalizing.

Question 2

Plastic lined pipe would most likely not be used for the transfer of?

Answer 2

Oils.

Question 3

Most pipe is generally coated on the outside with paint, galvanize, or insulation to prevent what?

Answer 3

All Three

Corrosion

Condensation

Heat Loss

Question 4

Strainers that are used to automatically strain raw water to remove silt and debris are?

Answer 4

Self-Cleaning.

Question 5

Which of the following kinds of pipe would be least affected by corrosion?

Answer 5

Stainless Steel.

Question 6

A pipe fitting used to join lengths of pipe to permit easy opening of a line is called a?

Answer 6

Union.

Question 7

Where frequent cleaning is necessary, it is best to use a?

Answer 7

Duplex Strainer.

Question 8

A female end pipe fitting used for joining two lengths of pipe is called a?

Answer 8

Coupling.

Question 9

Pipe having a diameter of less than 12 inches is usually designed by its what?

Answer 9

Inner Diameter.

Question 10

To differentiate between pipes carrying different substances, pipe systems are often?

Answer 10

Color coded.

Question 11

What type of gasket material would generally be used between flanges of a piping system supplying low pressure cold services?

Answer 11

Rubber.

Question 12

All pipe systems should be installed in accordance with who?

Answer 12

ASCPP (American Standard Code for Pressure Piping)

Question 13

A line used to control the concentration of impurities in a pressure vessel is a _____ line.

Answer 13

Blow Down

Question 14

Pipe supports or hangers are used to?

Answer 14

All Three
Provide rigidity
Prevent metal fatigue
Provide drainage

Question 15

An unexplained drop of pressure or flow through a strainer is an indication of?

Answer 15

Plugging.

Question 16

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.

Answer 16

Seperator.

Question 17

A line designed to supply necessary water to from a seal at a clearance and to lubricate and cool the clearance is a?

Answer 17

Gland Seal.

Question 18

Y-type strainers should be installed?

Answer 18

Either vertically or horizontally.

Question 19

To make flanged joints pressure tight, _____ are usually inserted between the flanges.

Answer 19

Gaskets.

Question 20

To simplify drawings of pipe systems, we use _____ to represent various components.

Answer 20

Symbols.

Question 21

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?

Answer 21

Recirculating line.

Question 22

A 90 degree pipe fitting with both inside and outside threads is called a?

Answer 22

Street Elbow.

Question 23

In many pipe systems, large pipe loops are used to?

Answer 23

Permit pipe expansion.

Question 24

A line in a pipe system designed for routing the full system flow around a particular piece of equipment is called a?

Answer 24

Bypass Line.

Question 25

A device used to check oscillation or level out the movement of the fluid in a pipe system is called a?

Answer 25

Snubber.

Question 26

The most distinguishing feature of a pipe thread is their?

Answer 26

Taper.