PHEP8 Piping Systems

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:

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 affected the least 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:

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:

Answer 9

Inside 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 the flanges of a piping system supplying low pressure cold services?

Answer 11

Rubber.

Question 12

All pipe systems should be installed in accordance with:

Answer 12

ASCPP

Question 13

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

Answer 13

Blow down

Question 14

Piping 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

Separator.

Question 17

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

Answer 17

Gland seal.

Question 18

Y-type strainer 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:

Answer 21

Recirculating line

Question 22

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

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:

Answer 24

By-pass 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

Where frequent cleaning is necessary, it is best to use:

Answer 26

Duplex strainer

Question 27

The most distinguishing feature of pipe thread is their:

Answer 27

Taper.