Book 1: 5-16 - Piping Expansion, Support, & Insulation

Question 1

The service temperature limit of Refractory Fiber Insulation is:

A. 1000°C (1832°F)
B. 2250°C (4082°F)
C. 1200°C (2192°F)
D. 1650°C (3000°F)
E. 1038°C (1900°F)

Answer 1

D. 1650°C (3000°F)

Question 2

The service temperature of Reflective Metal Insulation is above:

A. 1200°C (2192°F)
B. 1040°C (1904°F)
C. 1000°C (1832°F)
D. 2250°C (4082°F)
E. 16500°C (3000°F)

Answer 2

B. 1040°C (1904°F)

Question 3

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

A. Corrosive
B. Ability to retain its shape and insulating value when wet
C. Long Life
D. High Insulating Value
E. Vermin Proof

Answer 3

A. Corrosive

Question 4

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

A. Five
B. One
C. Four
D. Two
E. Three

Answer 4

C. Four

Question 5

The service temperature limit of Insulating Cement is:

A. 1200°C (2192°F)
B. 1000°C (1832°F)
C. 1038°C (1900°F)
D. 1650°C (3000°F)
E. 2250°C (4082°F)

Answer 5

C. 1038°C (1900°F)

Question 6

Allowance for expansion and contraction of piping is necessary because of the _____ changes the piping material is subjected to.

A. Temperature
B. Content
C. Pressure
D. Mass
E. Density

Answer 6

A. Temperature

Question 7

The service temperature of Elastomeric Insulation is:

A. 320°C (608°F)
B. 454°C (850°F)
C. 1038°C (1900°F)
D. 650°C (1200°F)
E. 104°C (219°F)

Answer 7

E. 104°C (219°F)

Question 8

One of the methods in common use for providing expansion in pipelines is by using:

A. Short pipe runs
B. Loose couplings
C. Expansion bends
D. Long radius elbows
E. Long pipe runs

Answer 8

C. Expansion bends

Question 9

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

A. Middle of the line
B. Line adjacent to the isolation valve
C. End of the line
D. Perpendicular to the line
E. Beginning of the line

Answer 9

A. Middle of the line

Question 10

The slip expansion joint is suitable for:

A. Low and medium temperatures
B. Medium and high pressures
C. Low and medium pressures
D. Medium and high temperatures
E. Low and high pressures

Answer 10

C. Low and medium pressures

Question 11

The service temperature limit of Magnesia (85%) pipe insulation is:

Select one:

A. 104°C (219°F)
B. 454°C (850°F)
C. 650°C (1200°F)
D. 1038°C (1900°F)
E. 320°C (608°F)

Answer 11

E. 320°C (608°F)

Question 12

The service temperature limit of Foamed Plastic insulation is:

Select one:

A. 104°C (219°F)
B. 150°C (302°F)
C. 320°C (608°F)
D. 650°C (1200°F)
E. 454°C (850°F)

Answer 12

B. 150°C (302°F)

Question 13

The slip expansion joint requires ______ than the expansion bend.

Select one:

A. Higher temperatures
B. Lower temperatures
C. Higher pressures
D. More space
E. Less space

Answer 13

E. Less space

Question 14

One of the types of expansion joints in general use is the _____ expansion joint.

Select one:

A. Coupling
B. Slip
C. U-bend
D. Double offset u-bend
E. Elbow

Answer 14

B. Slip

Question 15

The bellows type corrugated expansion joint is suitable for pressures up to:

Select one:

A. 100 kPa (15 psi)
B. 1500 kPa (217 psi)
C. 2000 kPa (290 psi)
D. 500 kPa (73 psi)
E. 1000 kPa (146 psi)

Answer 15

C. 2000 kPa (290 psi)

Question 16

The service temperature limit of Mineral Fibre (Rock and Slag Wool) insulation is:

Select one:

A. 320°C (608°F)
B. 1038°C (1900°F)
C. 454°C (850°F)
D. 104°C (219°F)
E. 650°C (1200°F)

Answer 16

B. 1038°C (1900°F)

Question 17

The service temperature limit of Glass Fibre insulation is:

Select one:

A. 454°C (850°F)
B. 1038°C (1900°F)
C. 650°C (1200°F)
D. 320°C (608°F)
E. 104°C (219°F)

Answer 17

A. 454°C (850°F)

Question 18

The coefficient of thermal conductivity (k) of a material is a measure of the amount of heat that will be _____ the material.

Select one:

A. Generated by
B. Transmitted through
C. Reflected by
D. Absorbed into
E. Radiated from

Answer 18

B. Transmitted through

Question 19

The constant support hanger makes use of a _____ to maintain a constant supporting force on the pipe.

Select one:

A. Steel rod
B. Coiled helical spring
C. Hydraulic piston
D. Cable sling
E. Pneumatic piston

Answer 19

B. Coiled helical spring

Question 20

Piping must be supported:

Select one:

A. To allow the pipe to sag freely
B. And does not have to carry the weight of the pipe, valves, fittings and insulation
C. To allow its weight to be carried by the equipment to which it is attached
D. To prevent free movement of the pipe due to expansion or contraction
E. To carry the weight of the fluid contained within the pipe

Answer 20

E. To carry the weight of the fluid contained within the pipe