Chapter 4: Piping Design, Connections, and Support

Question 1

Red brass is composed of:
Select one:

a.
Copper and nickel

b.
Copper and aluminum

c.
Copper and silicon

d.
Copper, antimony, lead, and zinc

e.
Copper and brass

Answer 1

d.
Copper, antimony, lead, and zinc

Question 2

Non-ferrous metals are those containing significant amounts of which components?
Select one:

a.
Iron and red brass

b.
Nickel and iron

c.
Admiralty brass and iron

d.
Aluminum brass and copper

e.
Iron and aluminum

Answer 2

d.
Aluminum brass and copper

Question 3

The use of expansion bends is preferred for high-pressure service because:
Select one:

a.
They are cost efficient.

b.
They require a large amount of extra space.

c.
No maintenance is involved, and there is little likelihood of leaks developing.

d.
More expansion is allowed.

e.
There is no pressure drop through the bend

Answer 3

c.
No maintenance is involved, and there is little likelihood of leaks developing.

Question 4

Aluminum brass is composed of:
Select one:

a.
Copper, zinc, and aluminum

b.
Zinc, aluminum, and tin

c.
Copper, tin, and aluminum

d.
Aluminum and bronze

e.
Copper, silicon, and aluminum

Answer 4

a.
Copper, zinc, and aluminum

Question 5

When a pipe is used to convey liquids or gases at high temperature and pressure, what kind of welded pipe flange must be used?
Select one:

a.
Socket welded flange

b.
Slip-on welded flange

c.
Lap joint flange

d.
Weld neck flange

e.
Tongue and groove flange

Answer 5

d.
Weld neck flange

Question 6

Which of the following statements applies to threaded pipe fittings?
Select one:

A.
They are among the strongest methods of pipe connection.

B.
They are threaded to conform with American National Standard Institute (ANSI) pipe threads.

C.
They have only one service rating.

D.
They are rated higher than steel, when made of cast iron.

E.
They are not affected by temperature.

Answer 6

B.
They are threaded to conform with American National Standard Institute (ANSI) pipe threads.

Question 7

The two broad classifications of plastic piping materials are which of the following?
1. Thermoplastics
2. Thermosets
3. Polyvinal chloride
4. Polyethylene
5. Acrylonitrile butadiene styrene
6. Polybutylene
7. Chlorinated polyvinal chloride
Select one:

a.
1, 2

b.
3, 4

c.
5, 6

d.
1, 7

e.
3, 5

Answer 7

a.
1, 2

Question 8

Plastic materials used for pipe are limited to which of the following pressure and temperature ratings while in service?
Select one:

a.
1000 kPa and 60°C

b.
1725 kPa and 230°C

c.
1750 kPa and 208°C

d.
2410 kPa and 232°C

e.
5200 kPa and 500°C

Answer 8

a.
1000 kPa and 60°C

Question 9

Which type of welded flange is used for high-pressure and extreme temperature service?
Select one:

a.
Tongue and groove flange

b.
Socket welded flange

c.
Slip-on welded flange

d.
Lap joint flange

e.
Weld neck flange

Answer 9

e.
Weld neck flange

Question 10

The most frequently used materials for power piping systems are which of the following?

1. Inconel 800 H
2. Alloy steels
3. Low carbon steels
4. Galvanized steel
5. Austenitic stainless steels
   Select one:

a.
1, 2, 3, 4, 5

b.
4, 5

c.
1, 3, 5

d.
2, 3, 5

e.
2, 3, 4, 5

Answer 10

d.
2, 3, 5