NATE Heat Pump Questions with Correct Answers 100% Verified

NATE Heat Pump Questions with Correct Answers 100% Verified R-22 vapor line diameters and lengths are typically specified for a... - Correct Answer Vapor pressure drop that does not exceed a 6-7psi or 6 degrees F The primary purpose of using flux when soldering copper or brass parts is... - Correct Answer To prevent oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must... - Correct Answer Drain off and away fro the outdoor coil to prevent excessive ice build up on the bottom of the coil and reduce capacity The component used to reduce sound transmission and prevent water leaks of a packaged heat pump installed on a roof is... - Correct Answer Curb Gasket On some installations, a heat pump indoor coil can be installed on an existing, operable, fossil fuel furnace. When this type of installation is done, you need to add a control so that... - Correct Answer The furnace and heat pump do not operate at the same time in normal heating When under a deep vacuum, a hermetic refrigeration compressor's motor windings could be... - Correct Answer Damaged if energized In order for an evacuation to be considered complete... - Correct Answer A heat pump refrigeration circuit should be evacuated to a vacuum pressure of 500 microns or below A system is supplied from the factory with charge for a 15 FOOT LINESET. The data plate shows the required system charge to be 5 POUNDS 10 OUNCES. The lineset uses 3/8 inch liquid line and is 25 FEET LONG. The manufacturers instruction sheet specifies 0.6 ounces of refrigerant to be added for each added foot of refrigerant line length so... - Correct Answer The total refrigerant charge for the system would be 6 pounds Drive slips are typically installed on the... - Correct Answer Shorter sides of rectangular duct