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CETP Exam Review Questions and Answers (100% Verified)
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CETP Exam Review Questions and Answers (100% Verified)
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By: kamuelrodriguez • 1 year ago
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CETP Exam Review Questions and Answers(100% Verified)
What type of appliances are constructed so that all air for combustion is derived directly
from the outdoors through one duct or pipe, and all flue gases are discharged to the
outdoors through another duct or pipe? - Direct Vent
Name plates are required when installing a _____ appliance. - Listed
Name two factors you must consider when selecting an appliance for a given application -
Venting & combustion air
What method for calculating needed combustion air is used when the air infiltration is
unknown? - Standard calculation method
When determining the air infiltration rate using KAIR method, the following must be
determined:
a) Calculate ACH For building
b) Size combustion air openings
c) Determine building parameters
d) all of the above - D - all of the above
Which method is used when supplying additional air to a structure by creating two
permanent openings in a single room, one on top an done on bottom, each 12" from the
ceiling or floor? - Two-openings method
The three sources for supplying additional air to a structure that is found to have an
inadequate air supply are indoor air, outdoor air and _______ - Combination indoor and
outdoor air
The three types of venting systems are natural draft venting, direct venting and ________
draft venting - Mechanical
In a sealed combustion direct vent appliance:
a) combustion air is separate from where the appliance is located
b) combustion air is obtained from and discharged to the outdoors
c) venting is not required
d) both a and b - D - both a & b
A typical natural draft venting system has several components, some of which include:
a) draft hood
b) exhaust fan
c) electrical interlock
, d) all of the above - a - draft hood
this common type of vent material used in a natural draft venting system is made of
double-wall construction, forms a continuous flue passageway from a gas appliance to a
vent termination and heats up quickly - Type B-vent
A single-wall venting cannot be used under which of the following circumstances:
a) outdoors in regions where the 99% winter design temperature is below 32F
b) In an attic
c) In a wall or floor
c) all of the above - d-all of the above
A vent connector must be routed to a vent using the ______ possible route. - Shortest
When sizing multiple Category I appliances to an existing venting system, which of the
following must be considered prior to installation:
a) whether all appliances are designed for use with a common venting system
b) whether the existing venting system has the capacity to handle additional appliances
c) whether the existing system has the proper venting materials needed for the added
appliances
d) all of the above - d - all of the above
An ________________ between a mechanical draft system and an appliance gas control valve
will stop the flow of gas to the main burner when the draft system is not operating -
Electrical interlock
To select the appropriate regulator for a given piping system, you must consider
________________ - Pipe Size
When venting a line regulator, all of the following conditions should exist EXCEPT:
a) vent line must be at least the same size as the regulator vent connection
b) no vent line is required when using a regulator incorporating a vent limiter
c) regulator vents must terminate at least 3 ft from a source of ignition
d) you may vent a line regulator to an appliance flue or exhaust system - D
Which of the following pipes will supply the least amount of BTU/hr?
a) smaller pipe operating at a higher pressure
b) a larger pipe operating at a lower pressure
c) a larger pipe at a higher pressure
d) a smaller pipe operating at a lower pressure - D
If you must install gas piping in a concealed location, you may not use which of the
following connecting materials?
a) threaded tees
b) tubing fittings
c) threaded couplings
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