- Study guides, Class notes & Summaries

NATE Air Conditioning and Heat Pump Questions with Correct Answers What is the indoor air flow for an electric furnace when the supply air temperature is 98 degrees F, the return air temperature is 70 degrees F, the voltage being supplied to the furnace is 220 V, and the current draw of the furnace is 47 A? 1,170 cfm Which of the following statements about understanding wiring diagrams is Not true? Schematics are always shown with the circuits energized

-

34 pages

Written in 2024/2025

Grade A+

StudyLoom01

NATE AIR CONDITIONING AND HEAT PUMPS Questions With Complete Solutions The auxiliary drain line from an overflow pan must _____________. A. Be connected to the primary condensate drain line using an approved P-trap B. Be terminated at some conspicuous location so that an overflow is readily noticed C. Have a diameter of at least 1 inch D. Never be insulated B. Be terminated at some suspicious location so that An overflow is readily noticed

-

36 pages

Written in 2024/2025

Grade A+

StudyLoom01

NATE Heat Pump Questions with Verified Answers Electronic air cleaners can operate with internal voltages as high as... 5000V A "cross-break" made on all flat sides of any rectangular section of metal duct will... Increase rigidity and reduce vibration The terms grille and register are often used interchangeably. There is a difference between these components. The primary difference between a grille and a register is... A register is equipped with an air volume control device, w...

-

23 pages

Written in 2024/2025

Grade A+

StudyLoom01

NATE Heat Pump Questions with Complete Solutions The terms grille and register are often used interchangeably. There is a difference between these two components. The primary difference between a grille and a register is... a register is equipped with an air volume control device and a grille is not Thermostatic expansion valves (TXV) meter refrigerant flow to a coil to... maintain superheated refrigerant leaving the coil

-

23 pages

Written in 2024/2025

Grade A+

StudyLoom01

NATE Exam: Air Conditioning and Heat Pumps Questions and Answers Graded A+ Which component pumps refrigerant through the system and raises the vapor temperature? a. Accumulator b. Compressor c. Condenser d. Evaporator b (Compressor)

-

44 pages

Written in 2024/2025

Grade A+

StudyLoom01

NATE heat pump Questions with Complete Solutions When changing out an evaporator coil the installer must be certain to plumb the cabinet so its sides are vertical The recommended maximum external static pressure used for heating and cooling equipment with blowers for 5 ton of cooling or less is 0.1 in W.C When a balancing check of a newly installed duct system the dampers should be open completely in all rooms

-

18 pages

Written in 2024/2025

Grade A+

StudyLoom01