Mechanical Engineering : Refrigeration And Air Condition QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.Vapour compression refrigeration is some what like |
| Carnot cycle |
| Rankine cycle |
| reversed Camot cycle |
| reversed Rankine cycle |
| none of the above. |
17.Allowable pressure on high-pressure side or ammonia absorption system is of the order of |
| atmospheric pressure |
| slightly above atmospheric pressure |
| 2-4 bars |
| 5-6 bars |
| 7-10 bars. |
18.In vapour compression cycle, the condition of refrigerant is saturated liquid |
| after passing through the condenser |
| before passing through the condenser |
| after passing through the expansion throttle valve |
| before entering the expansion valve |
| before entering the compressor. |
19.The refrigerant for a refrigerator should have |
| high sensible heat |
| high total heat |
| high latent heat |
| low latent heat |
| low sensible heat |
20.The relative coefficient of performance is |
| actual COP/theoretical COP |
| theoretical COP/actual COP |
| actual COP x theoretical COP |
| 1-actual COP x theoretical COP |
| 1-actual COP/theoretical COP. |
More Refrigeration And Air Condition QUESTIONS AND ANSWERS available in next pages
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