engineering recuitment HPCL Junior Executive 2025 Mock Test Power Engineering Air and Gas Compressors Reciprocating Compressors
Consider the following statements for single-stage reciprocating compressors:
1) Isothermal process is the most desirable process for compression.
2) The size of clearance volume provided in the compressor has no effect on work done per kg of air delivered.
3) the volumetric efficiency of the compressor decreases with increasing pressure.
Which of the above statements are correct?
1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2 and 3