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Refrigeration Basics Quiz Questions Answers 2: HVAC Basics
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Question 1 of 15
1. Question
1 pointsThe ______ connects the compressor to the condenser
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Question 2 of 15
2. Question
1 pointsAs the superheat increases, the compressor capacity ________:
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Compressor capacity drops due to reduction in the density of the gas
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Compressor capacity drops due to reduction in the density of the gas
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Question 3 of 15
3. Question
1 pointsCentrifugal compressors are suited for pumping refrigerants having _____ condensing pressures:
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Question 4 of 15
4. Question
1 pointsRefrigerants operating in refrigerating systems shall have _______ pressure:
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Question 5 of 15
5. Question
1 pointsThe capacity of an expansion valve is determined by which if the following:
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Question 6 of 15
6. Question
1 pointsWhen the liquid level is below the sensing bulb, the vapor surrounding the bulb carries away the heat from the electric heater at relatively ____ rate:
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Question 7 of 15
7. Question
1 pointsWith no superheating of the suction gas, the gas enters the compressor particularly at ______ condition:
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Question 8 of 15
8. Question
1 pointsAs the condensing temperature increases, centrifugal compressor capacity _______ :
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Question 9 of 15
9. Question
1 pointsThe compressor capacity is _______ to the speed of the compressor:
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Question 10 of 15
10. Question
1 pointsIf the refrigerant temperature in the evaporator is constant, the temperature difference between the fluid and the refrigerant can be constant:
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Question 11 of 15
11. Question
1 pointsWhich of the following chiller have high heat transfer efficiency:
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Question 12 of 15
12. Question
1 pointsThe _____ controls only the suction gas superheat at the evaporator outlet:
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Question 13 of 15
13. Question
1 pointsFree moisture / water reacts with refrigerants at _______ temperature which attacks the system components and causes corrosion:
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Question 14 of 15
14. Question
1 pointsScrew compressor is a positive displacement compressor:
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Question 15 of 15
15. Question
1 pointsThe condensing temperature will be higher in air cooled condenser compared to water cooled condenser:
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