Chapter 26 Piping Expansion, Support & Insulation

Question 1

If only one expansion joint is used in the pipeline, it should be placed in the:

a) End of the line
b) Middle of the line
c) Beginning of the line
d) Line adjacent to the isolation valve

Answer 1

b) Middle of the line

Question 2

Vertical adjustment of a roller stand may be obtained by means of _______ adjustment bolts that raise or lower the roller upon which the pipe rests.

a) Four
b) Five
c) Three
d) Two

Answer 2

a) Four

Question 3

Which of the following is not a characteristic of materials suitable for use as insulation?

a) Long Life
b) Vermin Proof
c) Low insulating value
d) Ability to retain its shape and insulating value when wet

Answer 3

c) Low insulating value

Question 4

What is the temperature limit of refractory fibre insulation?

a) 1000 C (1832 F)
b) 1200 C (2192 F)
c) 2250 C (4082 F)
d) 1650 C (3000 F)

Answer 4

d) 1650 C (3000 F)