Hvac exam questions Study guides, Class notes & Summaries
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HVAC EXCELLENCE EXAM QUESTIONS AND ANSWERS 100% PASS
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HVAC EXCELLENCE EXAM QUESTIONS 
AND ANSWERS 100% PASS 
Heat which causes a change in temperature of a substance is called - Correct Answer ️️ 
-sensible heat, 
Heat added to a substance without a rise in temperature; (example: liquid refrigerant to 
gas) this process la called? - Correct Answer ️️ -latent heat 
Heat added to the refrigerant in vapor state after the evaporation process is called, - 
Correct Answer ️️ -superheat 
A scroll compressor moves refrigerant by means of; - Cor...
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Electric Heat ESCO - HVAC Excellence Exam Questions And Answers
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Electric Heat ESCO - HVAC Excellence Exam Questions And Answers 
 
Before working on an electric furnace the tech should - ANS Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. 
 
A GFCI circuit breaker - ANS detects current leaks to ground 
 
the conductor in an electric heat element is usually made of - ANS Nichrome 
 
An example of resistive load is - ANS crankcase heater 
 
an example of an inductive load is - ANS motor 
 
an electric furnac...
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HVAC (EPA Certification Exam Section 608) Questions With Verified Solutions | ALREADY PASSED | LATEST REVISED UPDATE
- Exam (elaborations) • 22 pages • 2023
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HVAC (EPA Certification Exam 
Section 608) Questions With 
Verified Solutions | ALREADY 
PASSED | LATEST REVISED 
UPDATE 
What does a metering device do? - ANSWER The metering 
device causes a reduction in pressure, and therefore a reduction 
in saturation temperature. 
What is absorbed in the evaporator? - ANSWER Heat is 
absorbed in the evaporator. 
What happens in the evaporator? - ANSWER Heat is absorbed 
in the evaporator and causes the refrigerant to boil from liquid to 
vapor. 
At...
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HVAC Electrical Midterm Exam Questions and Answers All Correct
- Exam (elaborations) • 6 pages • 2024
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HVAC Electrical Midterm Exam Questions and Answers All Correct 
 
_____ are the particles that orbit the core of an atom - Answer-electrons 
 
______ is the force that pushes free electrons through conductors - Answer-voltage 
 
name 3 terms meaning voltage - Answer-electromotive force (emf) potential difference and eletrical pressure 
 
a device used to generate electricity is called a - Answer-voltage source 
 
name 6 voltage sources - Answer-battery, generator, solar cell, thermocouple, alter...
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Hvac Journeyman Exam questions with correct answers
- Exam (elaborations) • 15 pages • 2023
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Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much less than the air test. - Answer B. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3 
 
Every absorption refrigerating system supported from the ground shall rest on a concrete slab extending not less than _____ the adjoining ground level.(A) 3 inches below(B) 3 inches above (C) 6 inches below(...
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HVAC electrical 2024 Exam Questions with Answers
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HVAC electrical 2024 Exam Questions with Answers 
 
List what part (voltage source, switch, or load) is checked with the following meter function "VOLTAGE" - Answer-Voltage source, switch and load. 
 
AC electricity flows? - Answer-Both.....positive to negative and negative to positive. 
 
When electricity is present, which of the following are also present - Answer-Heat and magnetism 
 
What voltage is provided by the electric company to a modern residential home? - Answer-220VAC 
 
What are...
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HVAC Exam Questions With Verified Solutions
- Exam (elaborations) • 8 pages • 2024
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HVAC Exam Questions With Verified 
Solutions. 
Heat Transfer - answerMoves from one substance to another as well as between molecules of 
a substance, temperature is the driving force 
Temperature - answerThe level of heat or heat intensity, measured with thermometers 
Heat - answerIs the motion of molecules, and travels from a warm substance to a cold 
substance 
Conduction - answerEnergy travelling from one molecule to another, involves direct contact 
Radiation - answerPasses through air and ...
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IFSTA Chapter 16 & 17 Exam | Questions and Verified Answers| 100% Correct
- Exam (elaborations) • 31 pages • 2023
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IFSTA Chapter 16 & 17 Exam | Questions and Verified Answers| 100% Correct 
 
Q: How can HVAC systems affect tactical ventilation? 
Select one: 
a. Cool the air in the fire room to weaken the fire's intensity 
b. Help extinguish the fire by changing the pressure in the structure 
c. Provide fresh air to ventilation crews 
d. Move products of combustion to unaffected areas 
 
 
Answer: 
Move products of combustion to unaffected areas 
 
 
 
Q: Why are buildings under construction more susceptible...
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HVAC EXAM QUESTIONS AND ANSWERS 100% SOLVED GRADED A+ LATEST UPDATE 2024
- Exam (elaborations) • 15 pages • 2024
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HVAC EXAM QUESTIONS AND ANSWERS 100% SOLVED GRADED A+ LATEST UPDATE 2024 
Heat Transfer 
Moves from one substance to another as well as between molecules of a substance, temperature is the driving force 
Temperature 
The level of heat or heat intensity, measured with thermometers 
Heat 
Is the motion of molecules, and travels from a warm substance to a cold substance 
Conduction 
Energy travelling from one molecule to another, involves direct contact 
Radiation 
Passes through air and heats the ...
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