NATE Exam Air Conditioning and Heat Pumps questions and answers 2023Which of the following factors affects a customer's level of comfort?a. Air movementb. Humidityc. Temperatured. All of the above - correct answer d (All of the above: air movement, humidity, temperature)A cooling load calculation estimates the sensible heat gain of a structure. The maximumsensible capacity of a cooling-only system should be within ____% of this calculated value.a. 10%b. +10%c. +15%d. +30% - correct answer c (+15%)The maximum sensible cooling capacity of a heat pump should be within ____% of the calculated sensible heat gain of a structure with a large heating load.a. 10%b. +15%c. -25%d. +25% - correct answer d (+25%)The combined output of a heat pump and its auxiliary heat should not exceed the calculated heat loss of a home by more than ____%.a. 10%b. 15%c. 20%d. 25% - correct answer b (15%)What amount of auxiliary electric heat is needed when the output of a heat pump on a design day equals 18,800 Btuh and the heat loss of a home is 29,700 Btuh?a. 2.1 kWhb. 3.2 kWhc. 5.0 kWhd. 10.9 kWhNote: 3,413 Btu/kW - correct answer b (3.2 kWh)The three processes that transfer heat energy are conduction, convection,