NATE Bundled Exams Questions and Answers with Verified Solutions

NATE Heat Pump Exam Questions with Correct Answers Graded A+ 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 -Ans B: Cooling mode Heat pumps can provide both heating in the...

NATE Air Conditioning and Heat Pumps Exam Questions with Verified Answers from Experts Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above -Ans d (All of the above: air movement, humidity, temperature) A co...

NATE Study Guide Questions with Complete Solution What kind of heat transfer does not include solids, or fluids -Ans Radiation Capillary tubing should be only cut to length using -Ans Triangular or knife edge file Before beginning any electrical check out procedure, what step should be take...

HVAC NATE Heat Pump Questions with Correct Answers Graded A+ On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? -Ans 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? -Ans Prevent...

NATE CORE STUDY GUIDE QUESTIONS WITH COMPLETE SOLUTIONS GRADED A+ Which of the following is not the product of incomplete combustion: -Ans Oxides of nitrogen An oil trap is required at the base of the discharge line of the vertical riser is _____ or above -Ans 8 feet A diode allows current ...

NATE Gas Heating Exam Questions with Correct Answers 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% -AnsC: 78% Many pre-1992 furnaces have effi...