Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines
Exercise :: Compressors, Gas Dynamics and Gas Turbines - Section 1
| 11. |
Which of the following statement is wrong? |
| A. |
In a two stage reciprocating air compressor with complete intercooling, maximum work is saved. | | B. |
The minimum work required for a two stage reciprocating air compressor is double the work required for each stage. | | C. |
The ratio of the volume of free air delivery per stroke to the swept volume of the piston is called volumetric efficiency. | | D. |
none of the above |
Answer: Option D
Explanation:
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| 12. |
In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in __________ of the piston. |
| A. |
one stroke | | B. |
two strokes | | C. |
three strokes | | D. |
four strokes |
Answer: Option B
Explanation:
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| 13. |
The increase in pressure in a vane blower takes place first due to compression and then due to back flow of air. |
Answer: Option A
Explanation:
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| 14. |
The maximum delivery pressure in a rotary air compressor is |
Answer: Option A
Explanation:
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| 15. |
The capacity of a compressor is expressed in |
Answer: Option C
Explanation:
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