How is using propane different than using natural gas? A) ...

[vinney12]

How is using propane different than using natural gas?
 
  A) Propane is harder to measure than natural gas.
  B) Appliances that use natural gas cannot use propane.
  C) Propane requires a self-contained tank.
  D) Natural gas requires a self-contained tank.

Question 2

The check valve with the notch indicates that it is for:
 
  A) A light-duty set
  B) An expensive torch set
  C) A heavy-duty set
  D) A fuel gas
  E) None of the above

[gasdhashg]

Answer to Question 1

C

Answer to Question 2

D

[vinney12]

TYSM

[rleezy04]

Excellent