CETP 4.2 Exam Questions & Answers
(Grade A+)
The NFPA 58 test for leakage checks for propane leaks at the ___
portion of the piping only. -
correct answer ✅Exterior
You are required to perform a leak check on vapor distribution
piping system immediately after turning on the gas in a new gas
system but not after a system has been restored after interruption
of service. -
correct answer ✅FALSE
Which of the following measures the amount of delivered pressure
to the gas appliance with no gas demand to ensure that the
regulator will shut off the flow of propane when the appliances are
turned off? -
correct answer ✅Lock up test
When conducting a NFPA pressure test, what type of gas should
never be used? -
correct answer ✅Propane
Which check or test pinpoint a leak found during another test in the
vapor distribution system? -
correct answer ✅Leak test
, CETP 4.2 Exam Questions & Answers
(Grade A+)
What test determines if the regulator and piping system are sized
correctly to handle the btu load of the system? -
correct answer ✅Flow test
Regulator vents must be a minimum of ____ ft from any source of
ignition, direct vent appliance intake opening, and mechanical
ventilation intakes. -
correct answer ✅5 feet
_____ appliances generate higher amounts of flue gases and must
be vented to the outside. Examples of this type of appliance
include: central heating systems, water heaters, and some space
heaters. -
correct answer ✅VENTED
Identify the air that is needed at the appliance draft hood to mix
with the flue gases to help vent the flue products. -
correct answer ✅Dilution air
____________air pressure occurs in a room or structure that
cannot supply a sufficient amount of air to meet appliance
(Grade A+)
The NFPA 58 test for leakage checks for propane leaks at the ___
portion of the piping only. -
correct answer ✅Exterior
You are required to perform a leak check on vapor distribution
piping system immediately after turning on the gas in a new gas
system but not after a system has been restored after interruption
of service. -
correct answer ✅FALSE
Which of the following measures the amount of delivered pressure
to the gas appliance with no gas demand to ensure that the
regulator will shut off the flow of propane when the appliances are
turned off? -
correct answer ✅Lock up test
When conducting a NFPA pressure test, what type of gas should
never be used? -
correct answer ✅Propane
Which check or test pinpoint a leak found during another test in the
vapor distribution system? -
correct answer ✅Leak test
, CETP 4.2 Exam Questions & Answers
(Grade A+)
What test determines if the regulator and piping system are sized
correctly to handle the btu load of the system? -
correct answer ✅Flow test
Regulator vents must be a minimum of ____ ft from any source of
ignition, direct vent appliance intake opening, and mechanical
ventilation intakes. -
correct answer ✅5 feet
_____ appliances generate higher amounts of flue gases and must
be vented to the outside. Examples of this type of appliance
include: central heating systems, water heaters, and some space
heaters. -
correct answer ✅VENTED
Identify the air that is needed at the appliance draft hood to mix
with the flue gases to help vent the flue products. -
correct answer ✅Dilution air
____________air pressure occurs in a room or structure that
cannot supply a sufficient amount of air to meet appliance
