Propane Basics UPDATED ACTUAL Exam
Questions and CORRECT Answers
Propane has many advantages as a fuel source including - CORRECT ANSWER - It is a
clean burning non toxic fuel
If a service technician is asked to preform a task that he or she is not fully trained or qualified
for, the best action is to - CORRECT ANSWER - Tell the customer that he or she cannot
preform the task, but will work on getting a technician who can
Propane differs from butane in which of the following ways? - CORRECT ANSWER -
Propane vaporizes at temp above -44 f and butane vaporizes above 32 f
Propane vapor is - CORRECT ANSWER - Heavier than air
liquid propane is - CORRECT ANSWER - lighter than water
when room temp propane is released into the air, it immediately - CORRECT ANSWER -
vaporizes
the term for the heat needed to raise the temp is called a - CORRECT ANSWER - btu
while in a closed container, propane must be under__while at room temp to keep it in liquid form
- CORRECT ANSWER - pressure
gas warning agents(ordorants)are added to propane to - CORRECT ANSWER - make the
gas detectable if it leaks into the air
propane ordorants are - CORRECT ANSWER - distinctive smelling and non toxic
, an effective way to prevent ordarant fade in new containers, or those that have been open to the
atmosphere is to - CORRECT ANSWER - purge containers and keep them pressurized
until installed
a consumer calls in a report of string gas smell at the site. A proper response for the employee to
give the customer would be to - CORRECT ANSWER - evacuate the structure and keep a
safe distance away
the three ingredients necessary for combustion are - CORRECT ANSWER - fuel, oxygen
and an ignition source
propane burns most efficiently at what gas-air mixture - CORRECT ANSWER - 1 part
propane to 24 parts air
incomplete combustion of propane results in - CORRECT ANSWER - inefficient use of
fuel and harmful byproducts
complete propane combustion results in the production of water vapor and carbon dioxide while
incomplete propane combustion produces - CORRECT ANSWER - carbon monoxide,
aldehydes and soot
carbon monoxide gas is - CORRECT ANSWER - odorless, colorless and tasteless
indication that carbon monoxide may be present in a customers residence includes - CORRECT
ANSWER - the customer complaints of headache, nausea and water condensation on
windows
which of the following is a safe practice that employees must follow when working on propane -
CORRECT ANSWER - smoking is not permitted near propane gas as it may ignite the gas
Questions and CORRECT Answers
Propane has many advantages as a fuel source including - CORRECT ANSWER - It is a
clean burning non toxic fuel
If a service technician is asked to preform a task that he or she is not fully trained or qualified
for, the best action is to - CORRECT ANSWER - Tell the customer that he or she cannot
preform the task, but will work on getting a technician who can
Propane differs from butane in which of the following ways? - CORRECT ANSWER -
Propane vaporizes at temp above -44 f and butane vaporizes above 32 f
Propane vapor is - CORRECT ANSWER - Heavier than air
liquid propane is - CORRECT ANSWER - lighter than water
when room temp propane is released into the air, it immediately - CORRECT ANSWER -
vaporizes
the term for the heat needed to raise the temp is called a - CORRECT ANSWER - btu
while in a closed container, propane must be under__while at room temp to keep it in liquid form
- CORRECT ANSWER - pressure
gas warning agents(ordorants)are added to propane to - CORRECT ANSWER - make the
gas detectable if it leaks into the air
propane ordorants are - CORRECT ANSWER - distinctive smelling and non toxic
, an effective way to prevent ordarant fade in new containers, or those that have been open to the
atmosphere is to - CORRECT ANSWER - purge containers and keep them pressurized
until installed
a consumer calls in a report of string gas smell at the site. A proper response for the employee to
give the customer would be to - CORRECT ANSWER - evacuate the structure and keep a
safe distance away
the three ingredients necessary for combustion are - CORRECT ANSWER - fuel, oxygen
and an ignition source
propane burns most efficiently at what gas-air mixture - CORRECT ANSWER - 1 part
propane to 24 parts air
incomplete combustion of propane results in - CORRECT ANSWER - inefficient use of
fuel and harmful byproducts
complete propane combustion results in the production of water vapor and carbon dioxide while
incomplete propane combustion produces - CORRECT ANSWER - carbon monoxide,
aldehydes and soot
carbon monoxide gas is - CORRECT ANSWER - odorless, colorless and tasteless
indication that carbon monoxide may be present in a customers residence includes - CORRECT
ANSWER - the customer complaints of headache, nausea and water condensation on
windows
which of the following is a safe practice that employees must follow when working on propane -
CORRECT ANSWER - smoking is not permitted near propane gas as it may ignite the gas
