Chapter 25 Piping Materials & Connections

Question 1

A solid billet of steel is used to produce _________ pipe.

a) Welded
b) Seamless
c) Cast Iron
d) Flanged

Answer 1

b) Seamless

Question 2

Potable drinking water lines cannot be made from copper.

a) True
b) False

Answer 2

b) False

Question 3

Cast iron has a high resistance to ________.

a) Intense pressure
b) Corrosion
c) Shock
d) Water hammer

Answer 3

b) Corrosion

Question 4

_________ is used most often in plumbing systems for cold and hot water lines.

a) Cast iron
b) Steel
c) Aluminum
d) Copper

Answer 4

d) Copper

Question 5

An advantage of plastic piping is:

a) ease of assembly
b) heavy weight
c) high cost
d) resistant to high temperatures

Answer 5

a) ease of assembly

Question 6

After a pipe is cut with a wheel and roller cutter, there is a burr left on the outside.

a) True
b) False

Answer 6

b) False

Question 7

Gaskets are added to flanged joints to prevent leakage.

a) True
b) False

Answer 7

a) True

Question 8

For more flexibility in pipe design ______ joints are used.

a) Flanged
b) Threaded
c) Welded
d) Soldered

Answer 8

c) Welded