Nate gas heat test - Study guides, Class notes & Summaries

NATE Gas Heat Practice Guide (2022/2023) Rated A+ What precautions are required when mounting any gas furnace on a wood platform in an attic? None The gas control valve may be damaged if exposed to an inlet pressure above what? 14 inch W.C. How many elbows and joints should a vent connector have? As few as possible to reduce resistance of flue gases. Under what conditions, if any may the technician route the exhaust of the furnace into the exhaust vent of the water heater: Under no condition...

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 - Answer-A: Liquid flood-back to the compressor Which of the following is the correct sequence of work? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. B: Recover refrigerant, evacuat...

Nate Gas Furnace Service questions and answers| verified What precautions, if any, must be taken when installing a gas furnace on a wooden platform in an attic? Use a zero-clearance furnace or add a non-combustible base A vent connector should have a as few elbows and joints as possible to: Reduce resistance of flue gases The gas control valve may be damaged if exposed to an inlet pressure above 14in wc To which thermostat is leveling the most critical: Mercury Bulb ...

NATE Gas Heat Practice Guide 100% accurate, latest updated What precautions are required when mounting any gas furnace on a wood platform in an attic? None The gas control valve may be damaged if exposed to an inlet pressure above what? 14 inch W.C. How many elbows and joints should a vent connector have? As few as possible to reduce resistance of flue gases. Under what conditions, if any may the technician route the exhaust of the furnace into the exhaust vent of the wa...

HVAC NATE Heat Pump, questions and answers with complete top solutions 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...

NATE Exam: Air Conditioning and Heat Pumps, questions with complete top solutions 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 heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% ...

NATE/ICE Test, questions and answers with rated content formula to convert celsius to fahrenheit F = (1.8 x C) + 32 formula to convert fahrenheit to celsius C = .56 (F - 32) specific heat the amount of heat required to raise 1 lb of a substance 1 degree fahrenheit sensible heat Is the heat that came be measured or sensed by a thermometer latent heat hidden heat that changes the state of a substance Btu The amount of heat requires to raise one pound of wa...

NATE Final Exam #1 correctly answered latest 2023Generally, vibration eliminators in piping should be installed: A: At a 45 degree angle B: At a 90 degree angle C: Perpendicular to the compressor crankshaft D: Parallel to the compressor crankshaft D: Parallel to the compressor crankshaft If you purchased ten filter-driers for $100.00, what was the price of each filter-drier? A: $100.00 B: $10.00 C: $1.00 D: $1.10 B: $10.00 Which of the following jobs requi...

NATE A/C Exam #1,100% accurate answers| latest updated 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 compressor Which of the following is the correct sequence of work? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharg...