1|Page
NATE Gas Exam Preparation Version 2 Newest With
Complete Questions And Correct Detailed Answers|
Newest Exam!!!!
What is the typical load rating of the branch circuit over-
current protection for a residential gas furnace? - Answers-
15 Amp
When selecting a replacement indoor blower motor, which
criteria should be included? - Answers-Motor horsepower
What is the primary purpose of an off-delay timer in a gas
furnace? - Answers-Remove residual hear and prevent
nuisance limit trips
To minimize noise problems in residential duct systems,
what is the range (recommended to maximum) of design
air velocity in the rectangular main supply trunk? -
Answers-700 to 900 fpm
What is recommended for a pressurization leak test of fuel
gas pipe? - Answers-Compressed air
,2|Page
Induced draft blowers in direct vent condensing furnaces
pull combustion air from - Answers-outdoors only
Combustion air is often brought into a non-direct vent gas
furnace, located in an interior closet (confined space).
What consideration is important to remember? - Answers-
Two permanent openings of sufficient size must be used
The height limitation for a vertical combustion air intake on
a condensing gas furnace is set by - Answers-the furnace
manufacturer
When working on burners in a gas function - Answers-the
individual burners must be mounted in correct alignment
A thermopile system usually generates its own control
circuit voltage of - Answers-750 mV
There are two generally used methods for controlling
temperature and humidity within individual zones of a
residence. One is to use dampers to control supply airflow
to each zone. What is the other method? - Answers-Use
, 3|Page
separate and independent systems to condition the air in
each zone
The complaint is that there is static electricity throughout
the house. The home has a bypass humidifier. The
technician has checked the humidistat and verified that it
is set properly.
What would the technician check next? - Answers-Check
that the humidifier damper is open
A line voltage fuse is sized to - Answers-protect from
excessive voltage
14. With a non-direct vented furnace located in a
basement, what are the requirements for the space to
qualify as an "unconfined space"? - Answers-At least 50 ft
of air volume for every
1000 Btu/h capacity of ail combustion appliances in the
space
When troubleshooting a blower motor cir on a packaged
system, 244V is measured across the motor and no
NATE Gas Exam Preparation Version 2 Newest With
Complete Questions And Correct Detailed Answers|
Newest Exam!!!!
What is the typical load rating of the branch circuit over-
current protection for a residential gas furnace? - Answers-
15 Amp
When selecting a replacement indoor blower motor, which
criteria should be included? - Answers-Motor horsepower
What is the primary purpose of an off-delay timer in a gas
furnace? - Answers-Remove residual hear and prevent
nuisance limit trips
To minimize noise problems in residential duct systems,
what is the range (recommended to maximum) of design
air velocity in the rectangular main supply trunk? -
Answers-700 to 900 fpm
What is recommended for a pressurization leak test of fuel
gas pipe? - Answers-Compressed air
,2|Page
Induced draft blowers in direct vent condensing furnaces
pull combustion air from - Answers-outdoors only
Combustion air is often brought into a non-direct vent gas
furnace, located in an interior closet (confined space).
What consideration is important to remember? - Answers-
Two permanent openings of sufficient size must be used
The height limitation for a vertical combustion air intake on
a condensing gas furnace is set by - Answers-the furnace
manufacturer
When working on burners in a gas function - Answers-the
individual burners must be mounted in correct alignment
A thermopile system usually generates its own control
circuit voltage of - Answers-750 mV
There are two generally used methods for controlling
temperature and humidity within individual zones of a
residence. One is to use dampers to control supply airflow
to each zone. What is the other method? - Answers-Use
, 3|Page
separate and independent systems to condition the air in
each zone
The complaint is that there is static electricity throughout
the house. The home has a bypass humidifier. The
technician has checked the humidistat and verified that it
is set properly.
What would the technician check next? - Answers-Check
that the humidifier damper is open
A line voltage fuse is sized to - Answers-protect from
excessive voltage
14. With a non-direct vented furnace located in a
basement, what are the requirements for the space to
qualify as an "unconfined space"? - Answers-At least 50 ft
of air volume for every
1000 Btu/h capacity of ail combustion appliances in the
space
When troubleshooting a blower motor cir on a packaged
system, 244V is measured across the motor and no
