Mechanical Engineering : Compressors QUESTIONS AND ANSWERS :: part2 : 21 to 25
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.The compressor efficiency is the |
| isothermal H.P/indicated H.R |
| isothermal H.P./shaft H.R |
| total output/air input |
| compression work/motor input |
| none Of the above. |
22.Separators in compressor installations are located |
| before intercooler |
| after intercooler |
| after receiver |
| between after-cooler and air receiver |
| before suction. |
23.The capacity of compressor will be highest when its intake temperature is |
| lowest |
| highest |
| anything. |
| atmospheric |
| none of the above. |
24.Mining industry usually employs following motive power |
| A.C. electric motor |
| compressed air |
| petrol engine |
| diesel engine |
| D.C. electric motor. |
25.The clearance volume of the air compressor is kept minimum because |
| it allows maximum compression to be achieved |
| it greatly affects volumetric efficiency |
| it results in minimum work |
| it permits isothermal compression |
| none of the above. |
More Compressors QUESTIONS AND ANSWERS available in next pages
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