The compressor which is is used in our experiment is a. Two Stage reciprocating compressor in which two cylinders are present, First cylinder is having smaller bore than second cylinder for compression of air b. Two Stage reciprocating compressor in which two cylinders are present, big cylinder for 1st stage and small cylinder for second stage c. Two Stage reciprocating compressor in which two cylinders are present, Small cylinder for 1st stage and big cylinder for second stage O d. Two Stage reciprocating compressor in which two cylinders are present, Both cylinders are for 1st stage compression of air