Q.

If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is given by

• A1 - k + k (p₁/p₂)1/n
• B1 + k - k (p₂/p₁)1/n
• C1 - k + k (p₁/p₂) n- 1/n
• D1 + k - k (p₂/p₁) n-1/n