Module Review - Propane Cylinders and Vaporizers || A+ Certified.

Module Review - Propane Cylinders and Vaporizers || A+ Certified.
At what temperature does propane have a specific gravity of .51?
a)
-42.2 degrees C
b)
0 degrees C
c)
15.5 degrees C
d)
44 degrees C correct answers 15.5 degrees C


What is used to shut off a sudden increase in the flow of propane as in the case of a broken line?
a)
a limit control
b)
an excess flow valve
c)
a globe valve
d)
a relief valve correct answers an excess flow valve


Damaged cylinders:
a)
cannot be refilled
b)
can be filled to 8% of their volume
c)

,can be filled to 42% of their volume
d)
B or C correct answers cannot be refilled


Which of the following can be used in a propane distribution system.
a)
threaded steel bushings
b)
threaded galvanized reducing couplings
c)
'sweat' copper bushings
d)
all of the above correct answers all of the above


What agency rates propane cylinders?
a)
CGA
b)
CSA
c)
ULC
d)
none of the above correct answers none of the above


Of the following, which can be stored in a building?
a)
A cylinder containing less than 5 lbs. of propane.

, b)
A 'single-trip' propane cylinder
c)
Any empty propane cylinder.
d)
None of the above is allowed. correct answers A 'single-trip' propane cylinder


Cylinders in storage shall be protected from temperatures in excess of:
a)
20 degrees C
b)
25 degrees C
c)
30 degrees C
d)
50 degrees C correct answers 50 degrees C


How many propane cylinders can be stored in a dwelling?
a)
none
b)
one
c)
two
d)
three correct answers three