question_answer

             Consider the following statement:

The volumetric efficiency of a reciprocating compressor can be enhanced by

1.  Heating the intake air

2. Decreasing the clearance volume

3.  Cooling the intake air

Which of these statements is/are correct?      

A) 1 alone             

B) 1 and 2                                

C) 2 and 3            

D) 3 alone