Propane has many advantages as a fuel source, including: - CORRECT ANS A. It
burns slowly because of its low pump-octane
B. It is stationary and non-portable
C. It is a clean-burning, non-toxic fuel
D. It leaves a high-residue as it burns
If a service technician is asked to perform a task tha...
CETP Pre-Certification Review Exam
2023 Questions and Answers with
complete solution
Propane has many advantages as a fuel source, including: - CORRECT ANS A. It
burns slowly because of its low pump-octane
B. It is stationary and non-portable
C. It is a clean-burning, non-toxic fuel
D. It leaves a high-residue as it burns
If a service technician is asked to perform a task that he or she is not fully trained or
qualified for, the best action is to: - CORRECT ANS A. Say nothing, gather up his
or her tools and supplies, and quietly leave the site
B. Attempt to perform the task to the best of his or her abilities
C. Promise the customer that he or she will return once trained.
D. Tell the customer that he or she cannot perform the task, but will work on getting
a technician who can
Propane differs form butane in which of the following ways? - CORRECT ANS A.
Propane vaporizes at temperatures above -44 F; butane vaporizes above 32 F
B. A gallon of propane is heavier than a gallon of butane
C. Propane has a lower vapor pressure than butane when the liquid us at the same
temperature
D. When burned, propane produces more heat than an equal amount of butane
Propane vapor is: - CORRECT ANS A. Lighter than air
B. The same as air
C. Heavier than air.
D. The same as natural gas
Liquid propane is: - CORRECT ANS A. Light than water
B. The same as water
C. Heavier than water
D. Stable in water
When room-temperature propane is released into the air, it immediately: -
CORRECT ANS A. Contracts
B. Vaporizes
C. Condenses
D. Freezes
The term for the amount of heat needed to raise the temperature of one pound of
water 1 F is called a : - CORRECT ANS A. CFT
B. PHD
C. CPR
D. BTU
While in a closed container, propane must be under _____ while at room
temperature to keep it in liquid form. - CORRECT ANS A. Pressure
B. Heater
C. Ventilator
D. Equalizer
Gas warning agents (odorants) are added to propane to: - CORRECT ANS A.
Make the gas last longer
B. Make the gas detectable if it leaks into the air
, CETP Pre-Certification Review Exam
2023 Questions and Answers with
complete solution
C. Add a pleasant smell to the burning fuel
D. Make the has more reactive and cimbustible
Propane odorants are: - CORRECT ANS A. Pleasant-smelling and barely
detectable
B. Bitter-smelling and corrosive
C. Distinctive smelling and nontoxic
D. Non-burning and colorful
An effective way to prevent odorant fade in new containers, or in those that have
been open to the atmosphere is to: - CORRECT ANS A. Open valves on
containers in storage
B. Purge containers and keep them pressurized until installed
C. Remove odorant from containers in use
D. Increase the water content in contrainers
A customer calls in to report a strong smell of gas at the site. A proper response for
the employee to give the customer would be to: - CORRECT ANS A. Schedule an
appointment for a technician to come and check it out
B. Purchase a gas detector and monitor the readings
C> Ask the neighbors if they can also smell the gas
D. Evacuate the structure and keep a safe distance away
The three ingredients necessary for combustion are: - CORRECT ANS A.
Nitrogen, pressure, and heat
B. Fuel, oxygen, and an ignition source
C. Gas, Liquid, and a solid
D. Vapor, flame, and air
Propane burns most efficiently at which gas-air mixture? - CORRECT ANS A. 1
part propane to 24 parts air
B. 10 parts propane to 20 parts air
C. 25 parts propane to 15 parts air
D. 50 parts propane to 5 parts air
Incomplete combustion of propane results in: - CORRECT ANS A. Excessive
heat production
B. Conversion of propane to oxygen
C. Inefficient use of fuel and harmful byproducts
D. Inability of the propane to burn
Complete propane combustion result sin the production of water vapor and carbon
dioxide, while incomplete propane combustion produces: - CORRECT ANS A.
Carbon dioxide, ethanol, and ash
B. Oxygen, nitrogen, and smoke
C. Carbon monoxide, aldehydes, and soot
D. Oxygen, propylene, and carbon
Carbon monoxide gas is: - CORRECT ANS A. Pinkish, sweet-smelling, and thick
B. Bitter-tasting with an acrid smell
C. Foggy, damp, and funny-smelling
D. Odorless, colorless, and tasteless
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TestBankcenter. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
