Consider the following statements: In a reciprocating compressor, clearance volume is provided: 1. so that position does not hit and damage the valves 2. To account for differential thermal expansion of piston and cylinder 3. To account for machining tolerances 4. To achieve isentropic compression Which of these statements are correct?

Consider the following statements: In a reciprocating compressor, clea

1.	Consider the following statements: In a reciprocating compressor, clearance volume is provided: 1. so that position does not hit and damage the valves 2. To account for differential thermal expansion of piston and cylinder 3. To account for machining tolerances 4. To achieve isentropic compression Which of these statements are correct?
A.	1, 2 and 3
B.	1, 2 and 4
C.	1, 3 and 4
D.	2, 3 and 4
Answer» C. 1, 3 and 4

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