For a two stage compressor* if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will___________________?

(A) increase ()
(B) decrease (X)
(C) remain unaffected (X)
(D) other factors control it (X)
(E) unpredictable (X)

Answers: For a two stage compressor* if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will increase.