Nate Gas Furnaces Exam |Actual Questions And Verified Answers|Brand New Update|Graded A+

NATE GAS FURNACES EXAM |ACTUAL QUESTIONS
AND VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+


Question 1

Which of the following is one of the prime safety concerns in positioning a gas furnace for
installation?



a. An adequate gas supply.

b. The availability of flue within 2 feet of the appliance.

c. Clearance from combustible materials.

d. Distance from circuit breaker.

CORRECT ANSWER

C




Question 2

The discharge of the bypass humidifier is installed:



a. In the supply duct.

b. In the exhaust air duct.

c. In the return air duct.

d. In the makeup air duct.

CORRECT ANSWER

C




1

, Question 3

For proper burner operation, the manifold pressure on atmospheric draft, natural gas-fired
furnaces should be:



a. 3-4 IWC

b. 10-12 IWC

c. 3-4 psig.

d. 10-12 psig.

CORRECT ANSWER

A




Question 4

During an initial installation and checkout of an intermittent pilot retrofit system, if the
pilot both lights and burns continuously, and the sparks remains on but the main burner
does not light, these problems indicate that the:



a. Thermostat is not set for the proper cycling rate.

b. Ignition system has failed to detect the pilot flame.

c. Thermostat is not set for heating.

d. Pilot valve is improperly wired.
CORRECT ANSWER

B




Question 5

To determine the heat anticipator setting on an electromechanical thermostat, the amp
draw should be taken at the thermostat sub-base between terminals:



2