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Hvac Study guides, Revision notes & Summaries
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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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HVAC Final Exam Accurate Questions And Answers(Graded A+)
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HVAC Final Exam Accurate Questions a unit is operating with a lower than normal suction pressure the probable cause is - ANSWER a restricted drier 
 
heat absorbed by the refrigerant in the evaporator is rejected at the - ANSWER condenser 
 
the components that divide the high and low side of the mechanical refrigeration cycle are the - ANSWER compressor discharge valve and metering device 
 
what is the purpose of purging the service manifold - ANSWER remove air moisture 
 
to transfer refriger...
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HVAC Final Exam Review Questions & Answers(RATED A+)
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HVAC Final Exam Review Questions & Answers(RATED A+) 
 
The four leading causes of death in the construction industry include electrical incidents,caught in or caught-between incidents, and___ - ANSWER Falls 
 
A sign that has a white background with a green panel with white lettering is a: - ANSWER Safety instruction sign 
 
To properly dispose of oily rags, they must be - ANSWER stored in a container designed for the purpose 
 
Keeping your work area clean and free of scraps or spills is refer...
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HVAC final exam, unit 15 Accurate 100%(RATED A+)
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HVAC final exam, unit 15 Accurate 100%(RATED A+) 
 
 
A control can be which of the following? - ANSWER All of the above 
 
An example of a power consuming device would be a(n) ____ while an example of a non-power consuming device would be a(n) _____. - ANSWER Light bulb, single-pole single-throw switch 
 
An electrical power consuming component. - ANSWER is also known as a load 
 
The line side of a switch is the. - ANSWER side the power source is connected to 
 
If an air conditioning system i...
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HVAC Final Exam Complete Questions & Answers(GRADED A+)
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HVAC Final Exam Complete Questions & Answers(GRADED A+) 
 
Air Conditioning - ANSWER A process that involves heating, cooling, humidifying, dehumidifying, and cleaning air. 
 
Boiler - ANSWER Consists of a vessel or tank like container where heat is produced from the combustion fuels such as natural gas, fuel oil, coal, or electric resistance heating used to produce hot water or steam. 
 
Condenser - ANSWER Refrigeration cycle component rejects heat into the atmosphere 
 
Evaporator - ANSWER Ref...
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HVAC Final Exam Accurate Questions & Answers(Rated A+)
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HVAC Final Exam Accurate Questions & Answers(Rated A+) 
 
What is an HVAC System? - 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? - ANSWER Fans 
Pumps 
Compressor 
Evaporator 
 
What is a PTAC? - ANSWER Packaged Terminal Air Conditioner 
 
What is a PTHP? - ANSWER Packaged Terminal Heat Pump 
 
List the heat transfer equipment (3) - ANSWER Boiler 
Chiller 
Coil 
 
What is a zone? - ANSWER A zone is a s...
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HVAC Final Quizlet 1, HVAC Final Questions & Answers(Rated A+)
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HVAC Final Quizlet 1, HVAC Final QuestioEvaporator Coil - ANSWER What component of an air conditioning system absorbs heat into the refrigerant 
 
Ventilation - ANSWER What does the V stand for in HVAC? 
 
Hot Surface Ignition - ANSWER What type of ignition is utilized by the furnaces in the shop? 
 
Air Conditioning - ANSWER What is the term for Refrigeration applied to the space temperature of a building? 
 
Electricity, L.P., Natural Gas - ANSWER What are the three fuels used in package heati...
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HVAC Final Exam 7 Correct Questions & Answers(Graded A+)
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HVAC Final Exam 7 Correct Questions & AnsAC is an electron flow that _________________________ - ANSWER alternates back and fourth 
 
The ______ is often used as a graphical representation of alternating current - ANSWER sine wave 
 
when a conductor rotates through one complete revolution it has generated _____ flow reversals - ANSWER two 
 
the __________of alternating current is the number of complete cycles that occur in a second. - ANSWER frequency 
 
Alternating current reaches a peak at _...
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HVAC final exam, unit 16 Completely ANSWERED
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HVAC final exam, unit 16 Completely ANA ___ reacts to stop, start, or modulate the flow of water, air, or refrigerant to the system or conditioned space - ANSWER Controlled device 
 
All control systems can be subdivided into ____, no matter how many controls there are. - ANSWER Control loops 
 
_______ control systems were used before electronics. - ANSWER Pneumatic 
 
Pneumatic controls must have a permanent air supply that is ______ - ANSWER clean and dry 
 
Most system compressors provide __...
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HVAC Final Exam 5 ACCURATE Questions and Answers(RATED A+)
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HVAC Final Exam 5 ACCURATE Questions and Answers(RATED A+) 
 
A load is an electrical device that _____________________________ - ANSWER uses electricity to do useful work 
 
A disconnect switch is used to __________ - ANSWER open and close the main power source to a piece of equipment 
 
which of the following are not components of a contactor or relay? - ANSWER thermal element 
 
Loads are electrical devices that consume electricity to do _______________ work - ANSWER useful 
 
_____ are devic...
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HVAC Accurate Questions & Answers(Rated A+)
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HVAC Accurate Questions & Answers(Rated A+) 
Heating - ANSWER The process of raising the temperature of a space
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