Furn - Study guides, Class notes & Summaries
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NATE GAS FURNACE SERVICE Q&A 2024
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What is the typical load rating of the branch circuit over-current protection for a residential gas furnace? - Answer-25 Amp 
 
What is recommended for a pressurization leak test of fuel gas pipe? - Answer-Compressed air 
 
When selecting a replacement indoor blower motor, Which criteria should be included? - Answer-Motor horsepower 
 
Induced draft blowers in direct vent condensing furnaces pull combustion air from: - Answer-Outdoors only 
 
What is the primary purpose of an off delay timer in ...
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Nate Gas Furnace Service
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What precautions, if any, must be taken when installing a gas furnace on a wooden platform in an attic? - Answer- Use a zero-clearance furnace or add a non-combustible base 
 
A vent connector should have a as few elbows and joints as possible to: - Answer- Reduce resistance of flue gases 
 
The gas control valve may be damaged if exposed to an inlet pressure above - Answer- 14in wc 
 
To which thermostat is leveling the most critical: - Answer- Mercury Bulb 
 
Which of the following is a reason...
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Oil Furnaces Questions and Answers 100% Pass
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Oil Furnaces Questions and Answers 
 
100% Pass 
 
You come across an oil furnace that has a tripped primary control. You should 
 
A) 
reset the primary controller and attempt to fire the burner. 
B) 
not reset the primary control, and attempt to view the firepot for pooling oil. 
C) 
reset the primary control, but do not attempt to fire the burner. 
D) 
not reset the primary control, and attempt to view the heat exchanger for pooling oil. The 
answer is NOT RESET THE PRIMARY CONTROL, AND ATTEM...
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NATE Gas Furnace Service Exam Latest Update
- Exam (elaborations) • 16 pages • 2024
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NATE Gas Furnace Service Exam Latest Update...
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ECU MIS 6713 Furner Questions with Complete Solutions.
- Exam (elaborations) • 8 pages • 2024
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ECU MIS 6713 Furner Questions with Complete Solutions.
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Oil Furnace Heating Practice Tests with Complete Questions and Answers 100% Accurate
- Exam (elaborations) • 6 pages • 2024
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Oil Furnace Heating Practice Tests with Complete Questions and Answers 100% AccurateOil Furnace Heating Practice Tests with Complete Questions and Answers 100% AccurateOil Furnace Heating Practice Tests with Complete Questions and Answers 100% AccurateOil Furnace Heating Practice Tests with Complete Questions and Answers 100% Accurate1. Question 1 points 
Fuel Pump fail to prime when Suction inlet vacuum is greater than _______ of vacuum 
 
 20 inches 
 30 inches 
 15 inches 
 25 inches - ANSWER...
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Oil Furnaces exam 2024 with correct answers
- Exam (elaborations) • 7 pages • 2024
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You come across an oil furnace that has a tripped primary control. You should 
 
A) 
reset the primary controller and attempt to fire the burner. 
 B) 
not reset the primary control, and attempt to view the firepot for pooling oil. 
 C) 
reset the primary control, but do not attempt to fire the burner. 
 D) 
not reset the primary control, and attempt to view the heat exchanger for pooling oil. correct answersThe answer is NOT RESET THE PRIMARY CONTROL, AND ATTEMPT TO VIEW THE FIREPOT FOR POOLING...
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Oil furnace Questions and Answers 100% Pass
- Exam (elaborations) • 6 pages • 2024
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Oil furnace Questions and Answers 
 
100% Pass 
 
What is the heating value of a number 2heating oil? 140,000 BTU/gallon 
 
What is the common operating pressure of a high-pressure oil burner? 100psig 
 
What is the secondary voltage of the ignition transformer used on a high-pressure oil burner? 
10,000 volts 
 
What is the purpose of an electrode in a high-pressure gas burner? It is used to carry the 
spark to the point of ignition 
 
What is the measurement of the spark gap on an electrode as...
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ESCO Study set- gas furnaces Test Questions and Answers 100% Solved
- Exam (elaborations) • 11 pages • 2024
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ESCO Study set- gas furnaces Test 
Questions and Answers 100% Solved 
Burning one cubic foot of natural gas will produce approximately _____ BTU's ️️900- 1,100 
BTU 
The National Fuel Gas Code classifies a vent system for a condensing furnace as; 
️️Category IV 
what type of draft is used to move flue gas through the heat exchanger and into the venting 
system in modern gas-fired furnaces? ️️Mechanical 
A customer complains that a 2 year- old, direct, hot surface ignition furnac...
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Oil Furnaces, Gas Furnaces, Gas Furnaces Questions And Answers With Verified Solutions 100% Correct!!!
- Exam (elaborations) • 32 pages • 2024
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Oil Furnaces, Gas Furnaces, Gas Furnaces Questions And Answers With Verified Solutions 100% Correct!!!
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