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Refrigeration Basics Quiz Questions 3: HVAC Basics
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Question 1 of 15
1. Question
1 pointsThe ______connects the condenser to the expansion device.
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Question 2 of 15
2. Question
1 pointsThe capacity of the refrigeration system is expressed in which of the following units: (Multiple Answer Question)
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Question 3 of 15
3. Question
1 pointsOn starting the compressor, the evaporator / suction pressure will:
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Question 4 of 15
4. Question
1 pointsThe secondary refrigerants or brines may undergo change of state in refrigeration system:
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Question 5 of 15
5. Question
1 pointsAmmonia refrigerant has high discharge pressure:
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Question 6 of 15
6. Question
1 pointsAccording to ASHRAE standards according to their toxicity and flammability, Class A refrigerant has no toxicity identified even at a low concentration of _______ by volume:
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Question 7 of 15
7. Question
1 points______ is the property that is indicative of the resistance the oil offers to the flow of electric current trough it:
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Question 8 of 15
8. Question
1 pointsRefrigerants with ______ specific volume at a given suction pressure and temperature will require higher compressor displacement:
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Question 9 of 15
9. Question
1 pointsHot gas line mufflers dampens the pulsations thus reducing the noise and vibrations:
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Question 10 of 15
10. Question
1 pointsWhen the suction pressure is reduced, the compressor capacity will:
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Question 11 of 15
11. Question
1 pointsFor large hp motor, the number of starts are restricted to _____ per hour:
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Question 12 of 15
12. Question
1 pointsWhich of the following machine requires higher maintenance:
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Question 13 of 15
13. Question
1 pointsDuring the defrost cycle, the evaporator fan has to run:
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Question 14 of 15
14. Question
1 pointsPilot Solenoid valve is a three way valve. Two valves are connected to suction lines and liquid line respectively. Third valve is connected to _______
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Question 15 of 15
15. Question
1 pointsAt the right end of the dew point lines, the vertical scale is the Dry bulb temperature:
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