Furn - Study guides, Class notes & Summaries

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 ...

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...

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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ECU MIS 6713 Furner Questions with Complete Solutions.

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...

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...

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...

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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