Mechanical Engineering : Compressors QUESTIONS AND ANSWERS :: part4 : 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.Actual compression curve is |
| same as isothermal |
| same as adiabatic |
| better than isothermal and adiabatic |
| in between isothermal and adiabatic |
| none of the above. |
17.The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is |
| low |
| high |
| same |
| low/high depending on make and type |
| unpredictable. |
18.Axial flow compressor resembles |
| centrifugal pump |
| reciprocating pump |
| turbine |
| sliding vane compressor |
| none of the above. |
19.The pressure ratio in gas turbines is of the order of |
| ,2:l |
| 4:1 |
| 61: 1 |
| 9 : 1 |
| 12:1. |
20.The thermal efficiency of a gas turbine as compared to a diesel plant is |
| same |
| more |
| less |
| depends on other factors |
| unpredictably. |
More Compressors QUESTIONS AND ANSWERS available in next pages
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