Nate ice heat pumps Study guides, Class notes & Summaries

UNIT 1 REVIEW QUESTIONS ANSWER KEY 1-1) List some of the different ways that homes and buildings may be heated. Wood, gas, oil, electric, solar, heat pumps, and geothermal heating systems are used. 1-2) What were some of the primary heating fuels that early civilizations used? Wood, peat, and coal remained the primary heating fuels for centuries. 1-3) When is it believed that ice was first artificially made for food storage? First evidence of man making ice appeared more than 3,000 years ...

HVAC NATE Heat Pump Questions & Answers. 100% Answers. Rated A On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - -6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? - -Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? - -Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the ...

NATE Exam: Air Conditioning and Heat Pumps correctly answered 2023Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% d. +30% c (+15%)...