NATE Exam: Core Essentials/NATE Heat Pump Exam Questions And Answers/NATE Exam: Air Conditioning and Heat Pumps/NATE A/C Exam 1 Questions And Answers/NATE Core Questions And Answers/NATE Core practice Questions And Answers/NATE Gas Heating Exam

Charging a heat pump with refrigerant is best accomplished in the _______ mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode - Answer- B: Cooling mode Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the hea...

Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - Answer- d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum s...

Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator - Answer- A: Liquid flood-back to the compressor ...

An air conditioning technician is working in the basement of a large B37public building. The technician notices several unsafe and dangerous conditions. Of the following conditions that are noticed, which is the most dangerous and should be reported immediately? A: Gas leaking from a cracked pi...

what type of meter is most appropriate when a tech must determine voltage? - Answer- voltmeter temp at which moisture begins to condense on objects? - Answer- dew point btu's equivalent to 1 watt hour A. 3.418 B. 3.413 C. 3.213 D. 4.314 - Answer- 3.413 btu electrical test meter that te...

Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% - Answer- C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% ...