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WorksheetsRec-101 Propane Level 1 Module 1
Total questions: 16
Worksheet time: 8mins
Propane, as extracted,
smells like burnt rubber
is a light blue liquid
has a sweet smell and is milky white
is odorless and colorless
The device that is used on a propane tank to reduce pressure is called a
limit switch
pressure tank
regulator
ball valve
The boiling point for propane is
-76F (-60C)
-44F (-42C)
25F (-4C)
-60F(16C)
A property of propane is that when heated, it
expands
looks like crude oil
turns dark green
evaporates
According to the following table, approximately how many Btu/hr is a 7.2 US gal (27.252 L) DOT/TC cylinder?
228,750
439,210
658,814
841,818
A 20-lb (9.1 kg) DOT/TC cylinder is 60 % full at -5 o F (-21oC). What is the approximate Btu/hr vaporization rate per hour?
8,500
12,750
18,000
36,000
When an element or compound changes from the liquid phase to a vapor, it is called
boiling
thermal energy
dew point
vaporization
When working with propane systems, the most important factor to consider is
time
efficiency
safety
cost
Propane is flammable, can explode with pressure, and is able to
freeze skin
corrode metal containers
create a strong, foul smell
chemically burn through leather gloves
It is important to wear gloves when using propane because it can
cause swelling
discolor the skin a reddish-brown color
make hands smell like rotten eggs
freeze the skin
When working with propane, it is important to wear
a hard hat
appropriate gloves
a leather apron
a respirator
The following graphic is a ______ manometer.
dial
digital
straight
U-tube
To close a service valve on a propane tank, it is best to tighten the valve with
a crow bar
a hammer
a wrench
a hand
In a shop environment, always wear
safety glasses
a respirator
a leather apron
a hard hat
The following graphic is a ______ manometer
dial
digital
straight
U-tube
The following graphic is a ______ manometer.
dial
digital
straight
U-tube
