Ice residential oil heat - Study guides, Class notes & Summaries

R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed - 6-7 psi or 6 degress F The primary purpose of using flux when soldering copper or brass parts is to prevent - Oxidation The water that results from a defrost cycle of an air to air heat pump (runoff) must drain off and away from the outdoor coil to prevent - Excessive ice build up The component used to reduce sound transmission and prevent water leaks of a packaged heat pump in...

NATE Heat Pump Exam Questions And Answers R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed... - ANS 6-7 psi or 6°F The primary purpose of using flux when soldering copper or brass parts is to... - ANS Prevent oxidation The water that results from a defrost cycle of an air to air heat pump (runoff) must drain off and away from the outdoor coil to... - ANS Prevent excessive ice can build up on the bottom of the coil and red...

NATE heat pump Exam Questions And Answers R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed - ANS 6-7 psi or 6 degrees F The primary purpose of using flux when soldering copper or brass parts is to prevent - ANS Oxidation The water that results from a defrost cycle of an air to air heat pump (runoff) must drain off and away from the outdoor coil to prevent - ANS Excessive ice build up The component used to reduce soun...

Home Inspection State Exam Course 2024 (questions and answers) If water infiltration is suspected behind a finished surface. What tool would be the best choice to verify dampness? - CORRECT ANSWER-A non-contact moisture meter Gas fired furnace heat exchangers most often fail from? - CORRECT ANSWER-Rust and metal fatigue Relative Humditiy (RH) is expressed as? - CORRECT ANSWER-Percentage Connections of dissimilar metal in plumbing system, such as galvanized steel pipe and copper pipe,...

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 Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? -Ans Drain off and away from the outdoor coil. Why must the runoff be drained off and away from th...

What are Cooling Towers? - They are heat removal devices used to transfer process waste heat to the atmosphere. The most efficient method of leak checking a charged low-pressure system is to use? - Controlled hot water or heater blankets In relation to the three "R's" what is Reclaim? - To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis. All refrigeration systems containing more than 50 lbs. of refrigerant must be repaired w...

All torch operators, an oxigen-fuel torch using any amount of oxigen and flamable gas and fire guards must have a current - Answer-Certificate of Fitness The Certificate of Fitness holder - Answer-must regulate the pressure and flow of oxygen and natural gas to each torch. if the torch operator for jewelry manufacture involves - Answer-any oxygen with any fuel gas containers, the operator must be a C of F holder. A Certificate of Fitness Holder must keep his or her certificate - Answer-on ...

Az ROC Trade Exam B-3 License Correctly Solved Already Passed A+ Nails used for installing Hardboard panel siding vertically must accommodate the sheathing and penetrate the framing a minimum of how much? *ANS* 1-1/2 inches When framing openings in floors with a header and trimmer joists, what maximum header joist span is allowed with a single member header? *ANS* 4 feet Above the handrail and below the head, what is the minimum clear opening on a stairwell? *ANS* 36 inches When inst...

R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed... 6-7 psi or 6°F The primary purpose of using flux when soldering copper or brass parts is to... Prevent oxidation The water that results from a defrost cycle of an air to air heat pump (runoff) must drain off and away from the outdoor coil to... Prevent excessive ice can build up on the bottom of the coil and reduce capacity The component used to reduce sound tr...

On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? Excessive ice can build up on the bottom of the...