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Package deal for EPA 608 Certification Core Practice Test Exam with 100% correct Answers 2023
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Package deal for EPA 608 Certification Core Practice Test Exam with 100% correct Answers 2023

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Hvr 110 HVAC final exam Correct Questions & Answers!!
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Furnace - ANSWER The air flow on most structures that use a fossil fuel for a heat source have a___that would be used as an air supply. 
 
Control loop - ANSWER Almost all control systems use a___to control the temperature with in a given structure, space, or zone. 
 
Troubleshooting - ANSWER A___chart is a graphical representation of a troubleshooting procedure for a particular unit. 
 
Overload - ANSWER A___is an electrical device that protects a load from a high ampere draw by breaking a set ...
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HVAC Gas Heat certification exam Questions and Answers 100% Pass
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HVAC Gas Heat certification exam 
Questions and Answers 100% Pass 
A gas furnace is to be installed in a garage. The national standards require that the 
burners and ignition sources must be located ______ above the floor - Correct Answer ️️ 
-18 inches 
A good description of how a bi-metal fan switch operates the blower motor on a gas 
furnace is - Correct Answer ️️ -Temperature on- temperature off 
Redundant gas valves used on gas furnaces have - Correct Answer ️️ -Dual gas shut 
o...
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HVAC Gas Heat Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
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HVAC Gas Heat Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
Q: Why is specific gravity of a gas important? 
 
 
Answer: 
It affects the gas flow through the piping and through the orifice of the furnace. 
 
 
 
Q: What is an orifice and a spud? 
 
 
Answer: 
An orifice is a precisely sized hole in a gas fitting which gas flows from the manifold to the burners. 
A spud is another name for a gas fitting. 
 
 
 
Q: If both a light gas and a heavy gas are at...
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HVAC NATE Gas Heat Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
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HVAC NATE Gas Heat Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
 
Q: When starting up a dual system, the temperature rise method for determining airflow cannot be used with compressor cycle of the heat pump because: 
 
 
Answer: 
The capacity of the system varies too much with outdoor temperature. 
 
 
 
Q: The flame pattern a technician would expect to see on a properly operating single stage gas furnace equipped with "in shot" type burner is a:...
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HVAC Gas Heat Certification Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
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HVAC Gas Heat Certification Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
Q: What is the volume of flue gas produced from a 60,000 BTU/h Category I fan assisted Natural Gas furnace operating with 50% excess air? 
 
 
Answer: 
600 cu ft. 
 
 
 
Q: The purpose of a flue baffle is to 
 
 
Answer: 
Increase heat exchange 
 
 
 
Q: The LP gas pressure supplied to the appliance gas valve should be 
 
 
Answer: 
11 - 13 in. W.C. 
 
 
 
Q: An installed gas furna...
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HVAC Gas Heat Certification Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
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HVAC Gas Heat Certification Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
 
Q: Why is excess air supplied to all gas-burning appliance burners? 
 
 
Answer: 
 to ensure that there is enough air all all times. 
 
 
 
Q: The purpose of a gas regulator at a gas burning appliance is to? 
 
 
Answer: 
 B. decreases the pressure to the burner 
 
 
 
Q: Ture or False: All gas valves snap open and closed. 
 
 
Answer: 
 False 
 
 
 
Q: Which of the followin...
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HVAC NATE Heat Pump Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
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HVAC NATE Heat Pump Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
Q: What is the absolute pressure at sea level if a gauge pressure is 35 psig? 
 
 
Answer: 
 49.7psia 
 
 
 
Q: 100,000 BTUH output furnace. 
Return air temp is 65F. 
Supply air is 135F. 
What is the CFM? 
 
 
Answer: 
 1323CFM 
 
 
 
Q: What is the best method of repair when a residential supply diffuser is noisy because of a loose vane? 
 
 
Answer: 
 Replace the diffuser. 
 
 
 
Q: When...
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HVAC Final Exam Electrical For Air Conditioning 2024 Questions With Complete Solutions!!
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HVAC Final Exam Electrical For Air Conditioning 2024 Questions With Complete Solutions!!
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HVAC CONTRACTOR EXAM 2024 WITH 100% ACCURATE SOLUTIONS
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HVAC CONTRACTOR EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
 
An instrument that measures potential differences between 2 points in an electrical circuit is called? 
 
A. potentiometer 
B. thermistor 
C. ohmeter 
D. voltmeter - correct answer voltmeter 
 
This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat 
 
A. automatic expansion valve 
B. thermostatic expansion valve 
C. low side float 
D. schraeder valve - correct answer thermostat...
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HVAC FINAL EXAM QUESTIONS AND ANSWERS ALL CORRECT
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HVAC FINAL EXAM QUESTIONS AND ANSWERS ALL CORRECT 
Which of the following would have the greatest effect on the heat content of the refrigerant? 
 
A) The refrigerant's humidity 
B) The refrigerant's state 
C) The refrigerant's temperature 
D) The refrigerant's pressure - Correct Answer 
B) 
The refrigerant's state 
 
A mechanical refrigeration system cools a room by: - Removing heat from the room. 
 
The four types of cooling mechanisms are: - Evaporative, Thermoelectric, Absorption,...
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