A condensing furnace - Study guides, Class notes & Summaries

A gas furnace to be installed in a garage. The national standards requires that the burners and ignition must be located ____ above the floor: - Answer-18 inches A good description of how a bi-metal fan switch operates the blower motor on a gas furnace is: - Answer-Temperature on/ Temperature off Redundant gas valves used on gas furnaces will shut down if gas pressure exceeds: - Answer-13.5 in W.C. (or 1/2 psi) This is the maximum pressure for gas valve operation Burning one cubic foot of...

b. end 1 inch above the waste drain line CORRECT ANSWER A condensate line should ______________. a. empty directly into the waste drain line b. end 1 inch above the waste drain line c. not drain into the waste drain line d. extend at least 1 inch into the waste drain line c. is more efficient than conventional furnaces and uses a secondary heat exchanger CORRECT ANSWER A condensing furnace _____________. a. works like an air conditioner, except that it heats instead of cools b. is a...

NHIE EXAM 100 QUESTIONS AND ANSWERS ALL CORRECT 2024 NEWEST VERSION Which of the following is NOT a component of wood stairs? A. riser B. header C. stringer D. tread - Answer- B When inspecting the structural system, the inspector is required to A. inspect only the visible components in the attic and crawl space. B. specify method of structural repairs to the system. C. report all structural deficiencies observed. D. determine the cause and origin of the damage. - Answer- C ...

20% moisture in wood is saturated - Answer-true 40- 80 psi is the min max water supply - Answer-true 5/12 is considered a steep roof - Answer-true A _______ vent does not work without wind. a. power b. turbine c. roof d. ridge - Answer-b. turbine A ________ device should not be used with aluminum branch circuits. a. CO/ALR b. cop-alum parallel splice connector c. listed wire nut d. CU/AL - Answer-d. CU/AL A __________ is required on a fireplace that uses gas logs instead of real woo...

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...

A gas furnace to be installed in a garage. The national standards requires that the burners and ignition must be located ____ above the floor: 18 inches A good description of how a bi-metal fan switch operates the blower motor on a gas furnace is: Temperature on/ Temperature off Redundant gas valves used on gas furnaces will dual gas shut off seat Burning one cubic foot of Liquefied Petroleum gas completely will produce approximately ____ BTUs. 2,000 - 2,500 LP gas has a specific gravity of ...?...

Professional Home Inspector Exam 2 NHIE/TREC - Q & A (Complete Solutions) What type of roof requires on interlayment of felt between courses? a. Wood shakes b. Roll roofing c. Wood shingles d. Slate shingles In an older home, a forced hot air furnace is replaced by a heat pump. The heat coming out of the register is: a. Hotter b. Cooler c. Same d. Depends on the air duct layout When inspecting kitchen cabinets: a. Observe that they are securely attached to the wall b. Remove everything from th...

Furnace efficiency is Correct Answer the difference between the heat input and the actual heat output, expressed as a percentage Furnace efficiency is calculated by Correct Answer useful output divided by input Combustion efficiency is Correct Answer an index of the useful heat obtained from the gas being burned AFUE (Annual Fuel Utilization Efficiency) is Correct Answer a percentage of the annual average efficiency of a furnace as determined by laboratory tests All furnaces manufact...

NATE Gas Furnace Service 117 Questions with Correct Answers 100% Verified What is the typical load rating of the branch circuit over-current protection for a residential gas furnace? - Correct Answer 25 Amp What is recommended for a pressurization leak test of fuel gas pipe? - Correct Answer Compressed air When selecting a replacement indoor blower motor, Which criteria should be included? - Correct Answer Motor horsepower Induced draft blowers in direct vent condensing furnaces pull c...

A condensate line should ______________. a. empty directly into the waste drain line b. end 1 inch above the waste drain line c. not drain into the waste drain line d. extend at least 1 inch into the waste drain line - Answer b. end 1 inch above the waste drain line A condensing furnace _____________. a. works like an air conditioner, except that it heats instead of cools b. is a furnace covered in condensation c. is more efficient than conventional furnaces and uses a secondary heat exc...