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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 CERTIFICATION EXAM 2024 WITH 100% ACCURATE SOLUTIONS
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HVAC CERTIFICATION EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
 
Propane and Butane are _______ than air: - correct answer Heavier 
 
What will be the resistance in the circuit if the supply voltage is 30V and current flowing through the circuit is 5A - correct answer 6 ohms 
 
Temperature at which oil starts to produce a waxy substance that may interfere with the refrigeration system - correct answer Floc point 
 
What manifold gauge set is used to charge, evacuate, add oil and recover refrigeran...
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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 EXAM 1 2024 WITH 100% CORRECT ANSWERS
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HVAC EXAM 1 2024 WITH 100% CORRECT ANSWERS 
 
Matter exists in what three forms? - correct answer solid, liquid, gas 
 
What is temperature measured by? Quantity or intensity - correct answer Intensity 
 
Define British thermal unit (Btu) - correct answer Measure of heat energy - amount of energy needed to raise 1 lb of water 1 degree F 
 
How much heat is required to raise the temp of 100 lb or water from 70F to 120F - correct answer Q=1000lb*(1btu / change of temp) 
so 1000*(1/ 50) = 50,000 
...
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HVAC EXAM 2024 WITH 100% ACCURATE SOLUTIONS
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HVAC EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
 
Two locations where a cold air return should be installed - correct answer open area of a wall and low to the ground 
 
Which of the following is the law of thermodynamics? - correct answer heat moves toward a place with lower intensity 
 
Sensible heat describes - correct answer how hot something feels 
 
Latent heat is measured in - correct answer british thermal units 
 
What is the amount of heat energy required to evaporate 1 pound of water? ...
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HVAC EXAM 2024 WITH 100% ACCURATE ANSWERS
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HVAC EXAM 2024 WITH 100% ACCURATE ANSWERS 
 
 
What are the 4 modes for heat transfer and example? - correct answer 1) radiation: radiator 
2) conduction: heated floor, pot on stove 
3) convection: forced air system 
4) evaporation: AC running at house and come in from the beach sweating (idk what that means ) 
 
What are different types of heating systems? - correct answer (radiant) 
 
pros: easy to zone, min distribution loss, lack of convected heat loss 
 
cons: no duct work (need for AC syst...
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HVAC FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS
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HVAC FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
 
What is an HVAC System? - correct answer all the items needed to maintain thermal comfort within a space or group of spaces 
 
What are the four components of an HVAC system? - correct answer Fans 
Pumps 
Compressor 
Evaporator 
 
What is a PTAC? - correct answer Packaged Terminal Air Conditioner 
 
What is a PTHP? - correct answer Packaged Terminal Heat Pump 
 
List the heat transfer equipment (3) - correct answer Boiler 
Chiller 
Coil 
 
W...
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HVAC FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS
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HVAC FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
 
The four leading causes of death in the construction industry include electrical incidents,caught in or caught-between incidents, and___ - correct answer Falls 
 
A sign that has a white background with a green panel with white lettering is a: - correct answer Safety instruction sign 
 
To properly dispose of oily rags, they must be - correct answer stored in a container designed for the purpose 
 
Keeping your work area clean and free of sc...
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HVAC TEST EXAM 2024 WITH 100% ACCURATE SOLUTIONS
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HVAC TEST EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
You are the refrigeration engineer running a 2000 - ton centrifugal refrigeration system. The system supplies chilled water to a college campus with multiple buildings. You have normal chilled water load about 1800 tons when the refrigeration system suddenly stops and shuts down. The panel display on the refrigeration system indicates that the problem is with the water flow. of the following, which immediate action would be best? - correct answ...
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HVAC EXAM 2024 WITH 100% ACCURATE SOLUTIONS
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HVAC EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
 
Why is IAQ important? 
a) to provide a comfortable environment for occupants 
b) to provide enough oxygen for occupants 
c) to provide the right temperature for a productive environment for occupants 
d) to provide sufficient airflow for occupants 
e) to provide a healthy environment for occupants - correct answer e) to provide a healthy environment for occupants 
 
What is not considered a contaminate? 
a) Carbon Dioxide 
b) Ozone 
c) Carbon Mon...
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HVAC Test with Complete Solutions (1)
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HVAC Test with Complete Solutions (1) 
Second hand smoke - Answer-ETS 
 
Drain pan - Answer-"A" Coil 
 
Orfice - Answer-TXV capillary 
 
98.6 - Answer-body temperature 
 
Wet-bulb depression - Answer-Wet-bulb and dry-bulb called 
 
8'F - Answer-Elf the drywall temperature is 76 fahrenheit in a wet bulb temperature is 68 Fahrenheit with depression is 
 
100% - Answer-When a dry rub and wet bulb temperature are the same they related to human of the air is 
 
Enthalpy - Answer-Of air is the meas...
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