NATE Exam Bundle With Complete Solution

NATE Industry Competency Exam: Commercial Refrigeration With the condensing pressure and compressor speed remaining constant, a decrease in suction pressure will cause a(n): a. Decrease in compressor capacity and decrease in current. b. Increase in compressor capacity and decrease in current....

NATE Light Commercial Refrigeration What is the MOST important aspect about installing a rooftop package unit? - The roof will support the weight What could be at fault of an air cooled system that operates 50°F over ambient temperature? - An overcharge, air in the system, or air re-circulati...

NATE Industry Competency Exam: Air Distribution Cross breaking sheet metal duct will: a. Weaken the duct and prevent contamination. b. Stiffen the duct and reduce noise. c. Increase the cost of the duct and prevent joint splitting. d. Improve the appearance of the duct and prevent zinc crac...

NATE A/C Exam 2 The Fahrenheit scale is based on boiling water at sea level at what temperature? A: 459 degrees B: 212 degrees C: 180 degrees D: 100 degrees - B: 212 degrees Zero pounds gauge corresponds on the absolute scale to: A: 144 B: 212 C: 14.7 D:...

NATE A/C Exam 1 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 - A: Liquid flood-back to the co...

NATE Exam: Air Conditioning And Heat Pumps Which 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 h...

NATE Heat Pump 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 - B: Cooling mode Heat pumps can provide both heating in the winter and cooling in the summer. In which ...