Mechanical Engineering : Compressors QUESTIONS AND ANSWERS :: part2 : 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.The thrust on the rotor in a centrifugal compressor is produced by |
| radial component |
| axial component |
| tangential component |
| resultant component |
| opt 5 |
17.Out of the following, from where you will prefer to take intake for air compressor |
| from an air conditioned room maintained at 20�C |
| from outside atmosphere at 1�C |
| from coal yard side |
| from a side where cooling tower is located nearby |
| from any one of the above locations. |
18.The compressor performance at higher altitude compared to sea level will be |
| same |
| higher |
| lower |
| dependent on other factors |
| none of the above. |
19.To aviod moisture troubles, the compressed air main line should |
| rise gradually towards the point of use |
| drop gradually towards the point of use |
| be laid vertically |
| be laid exactly horizontally |
| none of the above |
20.Volumetric efficiency of a compressor with clearance volume |
| increases with increase in compression ratio |
| decreases with increase in compression ratio |
| in not dependent upon compression ratio |
| may increase/decrease depending on compressor capacity |
| unpredictable. |
More Compressors QUESTIONS AND ANSWERS available in next pages
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