Deck 22: Plumbing Codes: Fuel Gas Piping

Question 1

What should the spacing of supports be for a 1 1/4-inch steel pipe?

A)6 feet
B)8 feet
C)10 feet
D)12 feet

Answer 1

C

Question 2

What should the spacing of supports be for a 1-inch or larger piece of smooth wall tubing?

A)6 feet
B)every floor level
C)5 feet
D)4 feet

Answer 2

B

Question 3

Corrugated stainless steel tubing (CSST)is ideal for use as a bonding point.

Answer 3

False

Question 4

The NFGC allows for engineered designed systems as long as which of the following conditions are met?

A)the piping is welded
B)the piping is located in a ventilated chase
C)the piping is a temporary installation for building under construction
D)all of the above

Question 5

Of the following fuel gas code exceptions, which of the following is not listed as excluded in the UPC?

A)construction of appliances
B)LP-gas piping
C)liquified natural gas installations
D)petroleum refineries

Question 6

Which of the following settings would most likely require a backup fuel supply?

A)restaurant
B)residence
C)hospital
D)campground

Question 7

What should the spacing of supports be for a 1/2 inch steel pipe?

A)6 feet
B)8 feet
C)10 feet
D)12 feet

Question 8

All three codes, the NFPA, NFGC, and UPC, limit gas system pressures to:

A)5 psi or less
B)10 psi or less
C)2 psi or less
D)12 psi or less

Question 9

In what year did the American Gas Association publish the first edition of its requirements for house piping and appliance installation?

A)1928
B)1925
C)1931
D)1913

Question 10

The International Fuel Gas Code (IFGC)and the Uniform Plumbing Code (UPC)both reference the National Fuel Gas Code.

Question 11

What should the spacing of supports be for a 1/2 inch piece of smooth wall tubing?

A)6 feet
B)8 feet
C)5 feet
D)4 feet

Question 12

The use of gas meters is at the discretion of the building owner.

Question 13

The National Fuel Gas Code (NFGC)was first published in what year?

A)1965
B)1974
C)1981
D)1979

Question 14

In what year did the NFPA form a subcommittee to prepare a fire protection code for city gas installations?

A)1920
B)1896
C)1913
D)1936

Question 15

Of the following fuel gas code exceptions, which of the following is not listed as excluded in the UPC?

A)installation of LP gas systems for railroad switch heating
B)LP-gas piping
C)liquified natural gas installations
D)fuel gas systems using hydrogen