Piping Piping Supports and Hangers

Question 1

What is the primary purpose of a pipe support in a piping system?

Accepted Answer

To bear the weight of the pipe and its contents

Answer

To increase flow velocity

Answer

To reduce thermal expansion

Answer

To improve pressure ratings

Question 2

Which type of pipe hanger allows free movement of the pipe in any horizontal direction?

Accepted Answer

Roller support

Answer

Rigid hanger

Answer

Constant support hanger

Answer

Resting saddle

Question 3

A spring hanger is typically used when:

Accepted Answer

Vertical pipe movement due to thermal expansion must be accommodated

Answer

The pipe experiences no thermal movement

Answer

The pipe carries very high-pressure fluid

Answer

The pipe is underground

Question 4

What is the standard reference for pipe hanger and support design in the United States?

Accepted Answer

MSS SP-58

Answer

ASME B31.1

Answer

ASTM A36

Answer

API 650

Question 5

An anchor support is used in a piping system to:

Accepted Answer

Restrain all six degrees of freedom of movement

Answer

Allow axial movement of the pipe

Answer

Permit rotation of the pipe

Answer

Only support vertical loads

Question 6

What does the term 'cold load' refer to in pipe hanger design?

Accepted Answer

The hanger load at ambient temperature before the system is pressurized or heated

Answer

The load on the hanger when the pipe carries a refrigerant

Answer

The minimum design load for cold climates

Answer

The load on cryogenic piping systems

Question 7

Which of the following support types is best suited to prevent pipe sag between two fixed points on a long horizontal run?

Accepted Answer

Resting support (saddle)

Answer

Pipe guide

Answer

Pipe anchor

Answer

Snubber