HVAC Heat Pump Practice Test Questions-3
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Question 1 of 10
1. Question
1 pointsThe defrost thermostat closes when the temperature of outdoor coil drops to …………….
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Question 2 of 10
2. Question
1 pointsWhich of the following is the heat sync for air to air heat pump?
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Question 3 of 10
3. Question
1 pointsWhat is the minimum SEER Rating of cooling as specified by US department of Energy?
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Question 4 of 10
4. Question
1 pointsWhich of the following is the measure of overall heating efficiency of heat pump?
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Heating Season Performance Factor
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Question 5 of 10
5. Question
1 pointsWhich of the following compressors are mostly used in residential and light commercial constructions?
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Question 6 of 10
6. Question
1 pointsWhich of the following is the state of refrigerant at outlet of indoor coil during cooling cycle?
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Question 7 of 10
7. Question
1 pointsWhich of the following component of heat pump allows the heat pump to operate either in cooling and heating mode?
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Question 8 of 10
8. Question
1 pointsWhat may be the possible cause for an insufficient heating or cooling in a heat pump?
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Question 9 of 10
9. Question
1 pointsThe refrigerant circuit evacuation is said to be complete, when the vacuum pressure reaches ……….. microns or less?
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Question 10 of 10
10. Question
1 pointsWhich of the following motors require less starting current?
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