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NATE GAS EXAM VERSION 2 LATEST 2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
Which of the following is a natural result of combustion?
A: Water vapor
B: Carbon monoxide
C: Carbon dioxide
D: All of the above - ANSWER-D: All of the above
Primary air is air that:
A: Is mixed with the fuel before the fuel reaches the burner
B: Is mixed with the fuel at the burner after the fuel has ignited
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C: Remains unused after the combustion process is complete
D: Enters the draft diverter and goes up the stack with the
products of combustion - ANSWER-A: Is mixed with the fuel
before the fuel reaches the burner
Secondary air is air that:
A: Is mixed with the fuel before the fuel reaches the burner
B: Is mixed with the fuel at the burner after the fuel has ignited
C: Remains unused after the combustion process is complete
D: Enters the draft diverter and goes up the stack with the
products of combustion - ANSWER-B: Is mixed with the fuel at the
burner after the fuel has ignited
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The three major furnace configurations are:
A: Up-flow, down-flow and lowboy
B: Up-flow, down-flow and horizontal
C: Up-flow, down-flow and cross-flow
D: None of these is correct - ANSWER-B: Up-flow, down-flow and
horizontal
Residential gas furnaces use blowers powered by which types of
motors?
A: Poly-phase, two phase, single phase and capacitor start
B: Shaded pole, split-phase, capacitor start and PSC
C: Three phase, shaded pole and PSC
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D: Split-phase, induction start-induction run and variable speed
DC - ANSWER-D: Split-phase, induction start-induction run and
variable speed DC
The horsepower range of residential heating blower motors is:
A: 1⁄8 to 1⁄16 hp
B: 1⁄4 to 1⁄2 hp
C: 1⁄2 to 2 hp
D: 3⁄4 to 2 hp - ANSWER-B: 1⁄4 to 1⁄2 hp
A heat anticipator is wired:
A: In series with the "W" terminal
NATE GAS EXAM VERSION 2 LATEST 2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
Which of the following is a natural result of combustion?
A: Water vapor
B: Carbon monoxide
C: Carbon dioxide
D: All of the above - ANSWER-D: All of the above
Primary air is air that:
A: Is mixed with the fuel before the fuel reaches the burner
B: Is mixed with the fuel at the burner after the fuel has ignited
,2|Page
C: Remains unused after the combustion process is complete
D: Enters the draft diverter and goes up the stack with the
products of combustion - ANSWER-A: Is mixed with the fuel
before the fuel reaches the burner
Secondary air is air that:
A: Is mixed with the fuel before the fuel reaches the burner
B: Is mixed with the fuel at the burner after the fuel has ignited
C: Remains unused after the combustion process is complete
D: Enters the draft diverter and goes up the stack with the
products of combustion - ANSWER-B: Is mixed with the fuel at the
burner after the fuel has ignited
,3|Page
The three major furnace configurations are:
A: Up-flow, down-flow and lowboy
B: Up-flow, down-flow and horizontal
C: Up-flow, down-flow and cross-flow
D: None of these is correct - ANSWER-B: Up-flow, down-flow and
horizontal
Residential gas furnaces use blowers powered by which types of
motors?
A: Poly-phase, two phase, single phase and capacitor start
B: Shaded pole, split-phase, capacitor start and PSC
C: Three phase, shaded pole and PSC
, 4|Page
D: Split-phase, induction start-induction run and variable speed
DC - ANSWER-D: Split-phase, induction start-induction run and
variable speed DC
The horsepower range of residential heating blower motors is:
A: 1⁄8 to 1⁄16 hp
B: 1⁄4 to 1⁄2 hp
C: 1⁄2 to 2 hp
D: 3⁄4 to 2 hp - ANSWER-B: 1⁄4 to 1⁄2 hp
A heat anticipator is wired:
A: In series with the "W" terminal
