HVAC NATE Gas Heat Exam Prep (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A
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Module
HVAC
Institution
HVAC
HVAC NATE Gas Heat Exam Prep (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A
Question:
Differential pressure gauge (also called a manometer) is used to...
Answer:
Measure duct static pressure
Question:
A line voltage fuse is used to protect from...
...
HVAC NATE Gas Heat Exam Prep
(Latest Update) 100%
Correct Questions and Verified
Answers | Grade A
Question:
Differential pressure gauge (also called a manometer) is used to...
Answer:
Measure duct static pressure
Question:
A line voltage fuse is used to protect from...
Answer:
Excessive voltage
Question:
Forced air residential/ light commercial gas furnaces provide heat by...
Answer:
Circulating air across the heat exchanger
,Question:
No mechanical fasteners should be used to install...
Answer:
Floor diffusers in boots or register boxes
Question:
A gas furnace should reach a steady state...
Answer:
Before taking a combustion test
Question:
The primary purpose of an off delay timer for a gas furnace is to...
Answer:
Control the indoor blower OFF delay at the end of a thermostat call for
heating
Question:
The maximum acceptable supply voltage tolerance for a 120V circuit is...
Answer:
+/- 10%
,Question:
With a non-direct vented furnace located in a basement, the requirements for
the space to qualify as an 'unconfined space' is...
Answer:
At least 20 cubic feet of air volume for every 1000 Btu/h capacity of
combustion appliances in the space
Question:
There is little difference between electromechanical thermostats and
electronic programmable thermostats...
Answer:
They are designed to be interchangeable
Question:
According to the International Fuel GAS CODE, the minimum vertical
separation for a flue vent termination located above and within 10' of any
forced air inlet to a building is...
Answer:
6'
, Question:
3/8-1/2" of the end of thermocouple...
Answer:
Should be enveloped by the pilot flame
Question:
Motor horsepower is one of the criteria used when...
Answer:
Selecting a replacement indoor blower motor
Question:
The typical material used to construct a heat exchanger in an 80% efficient
gas furnace is...
Answer:
Galvanized steel
Question:
Electronic air cleaners for gas furnaces are sized based on the...
Answer:
CFM of the return side of the heating system
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