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

Nate Core Exam Questions With 100% Verified Answers 1kwh of electric power is equivalent to ___ btu per hour. A. 3142 B. 6412 C. 9412 D. 6812 - answerA Gas valves operate at ____ voltage. A. 120v B. 230v C. 24v D. 12v - answerC What will be the resistance in the circuit if the supply voltage is 30v and current flowing through the circuit is 5A. ©BRAINBARTER 2024/2025 A. 3 ohms B. 1/3 ohms C. 1/6 ohms D. 6 ohms - answerD Furnaces are placed into categories based upon. A. Vent...

NATE Gas Heating Exam/ Questions with Verified Answers. Terms like: The three elements of combustion are: A: Fuel, oxygen and ignition B: Nitrogen, oxygen and heat C: Air, fuel and oxygen D: Air, fuel and nitrogen - Answer: A: Fuel, oxygen and ignition Which of the following is a natural result of combustion? A: Water vapor B: Carbon monoxide C: Carbon dioxide D: All of the above - Answer: D: All of the above

NATE Gas Heating Exam with Complete Solutions 100% Verified Graded A+ In a modern gas furnace, the component that separates the combustion gases from the supply air is the ______. a. gas valve b. heat exchanger c. inducer fan d. plenum box - Correct Answer b (heat exchanger) What type of furnace moves warm air through the conditioned space without a fan? a. Gravity b. Horizontal c. Lowboy d. Upflow - Correct Answer a (Gravity) Furnace heat exchangers generally are made of ______. ...

HVAC NATE Heat Pump Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION In order to troubleshoot a load controlled by a control string, what should the technician check first? Answer: Proper voltage applied across the load. QUESTION The technician suspects that an outdoor thermostat used to bring on auxiliary heat may be out of calibration. The thermostat is a close-on-fall type that is adjustable. What is one method for ...

HVAC Gas Heat Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION Do LP gas installati gas valves with built-in regulators? ons use Answer: No- we just said that the gas regulators are located at the supply tank. Duh. QUESTION What does a gas valve do? Answer: It stops, starts or modulates the flow of fuel gas. QUESTION What are the three classifications of gas valves? Answer: Solenoid Diaphragm Heat Mot...

HVAC Gas Heat Certification Exam Prep (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION Describe the difference between a single-rod (local sensing ) and dual-rod (remote sensing system as the pertain to flame rectification. Answer: Flame rectification system can be classified as eatiher single rod. (local sensing) or dual rod (remote sensing) single rod, consist of an igniter and sensor all in one-rod, Dual-rod system use a separate ig...

NATE FINAL EXAM 2/ LATEST UPDATE EXAM 2024 WITH 100% CORRECT DETAILED ANSWERS/A+ GRADE ASSURED Which of the following components is energized first after an intermittent ignition gas furnace calls for heat? A: Induced draft motor B: Pilot valve C: Blower motor D: Gas valve - Correct Answer-A

HVAC Gas Heat Certification Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION Duct wrap is used to insulate round metal ducts. What is the approximate R-value for "one inch" of this insulation Answer: R= 3.0 QUESTION A category 1 natural gas furnace has a typical air temperature rise of Answer: 60°F - 120°F QUESTION A technician connects the electrical circuit to an 80,000 BTU gas furnace with a 3- ton ...

NATE Heat Pump Exam Questions With Correct Answers Updated 2024/2025 (VERIFIED A+) 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 the outdoor coil? -AnsExcessive ice can build up on the bottom of the coil and can reduce capacity. What is the component that reduces sound transmission and prevents water leaks of a package heat pump installed on a roof? -Ans Cur...

8. NATE Industry Competency Exam Commercial Refrigeration correctly answered 2024With 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. c. Increase in compressor capacity and increase in current. d. Decrease in compressor capacity and increase in current. - correct answer D An indication of non-condensable...