NATE Gas Heating Exam Questions With
Correct Answers
Since 1992, the United States Department of Energy has required that
| | | | | | | | | | |
all furnaces sold and installed from that date on must have an AFUE of
| | | | | | | | | | | | | |
no less than:
| |
| A: 70%
|
| B: 75%
|
| C: 78%
|
| D: 80% - CORRECT ANSWER✔✔-C: 78%
| | | | |
Many pre-1992 furnaces have efficiencies around _______.
| | | | | |
| A: 10%
|
| B: 40%
|
,| C: 60%
|
| D: 80% - CORRECT ANSWER✔✔-C: 60%
| | | | |
Today, furnaces with AFUE ratings greater than _____ are available.
| | | | | | | | |
| A: 85%
|
| B: 90%
|
| C: 100%
|
| D: 110% - CORRECT ANSWER✔✔-B: 90%
| | | | |
A thermocouple is used with:
| | | |
| A: Intermittent pilot systems
| | |
| B: Direct spark ignition systems
| | | |
, | C: Glow coil ignition systems
| | | |
D: Standing pilot ignition systems - CORRECT ANSWER✔✔-D: Standing
| | | | | | | | | |
pilot ignition systems
| |
The purpose of the gas pressure regulator is to:
| | | | | | | |
| A: Keep the color of the flame constant
| | | | | | |
| B: Keep the high limit switch from tripping
| | | | | | |
| C: Maintain a constant gas pressure at the burner
| | | | | | | |
D: Allow the gas valve to operate smoothly and accurately - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-C: Maintain a constant gas pressure at the burner
| | | | | | | |
The instrument used to measure outlet gas pressure is the:
| | | | | | | | |
| A: Velometer
|
| B: Anemometer
|
Correct Answers
Since 1992, the United States Department of Energy has required that
| | | | | | | | | | |
all furnaces sold and installed from that date on must have an AFUE of
| | | | | | | | | | | | | |
no less than:
| |
| A: 70%
|
| B: 75%
|
| C: 78%
|
| D: 80% - CORRECT ANSWER✔✔-C: 78%
| | | | |
Many pre-1992 furnaces have efficiencies around _______.
| | | | | |
| A: 10%
|
| B: 40%
|
,| C: 60%
|
| D: 80% - CORRECT ANSWER✔✔-C: 60%
| | | | |
Today, furnaces with AFUE ratings greater than _____ are available.
| | | | | | | | |
| A: 85%
|
| B: 90%
|
| C: 100%
|
| D: 110% - CORRECT ANSWER✔✔-B: 90%
| | | | |
A thermocouple is used with:
| | | |
| A: Intermittent pilot systems
| | |
| B: Direct spark ignition systems
| | | |
, | C: Glow coil ignition systems
| | | |
D: Standing pilot ignition systems - CORRECT ANSWER✔✔-D: Standing
| | | | | | | | | |
pilot ignition systems
| |
The purpose of the gas pressure regulator is to:
| | | | | | | |
| A: Keep the color of the flame constant
| | | | | | |
| B: Keep the high limit switch from tripping
| | | | | | |
| C: Maintain a constant gas pressure at the burner
| | | | | | | |
D: Allow the gas valve to operate smoothly and accurately - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-C: Maintain a constant gas pressure at the burner
| | | | | | | |
The instrument used to measure outlet gas pressure is the:
| | | | | | | | |
| A: Velometer
|
| B: Anemometer
|
