CETP Review | 2024 Questions & Answers |
100% Correct | 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
100% Correct | 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
