Assertion (A): A reciprocating air compressor at sea level would deliver a greater mass of air than a compressor on a mountain.
Reason (R): The compressor ratings are given for “ free air”
(A) Both A and R are individually true and R is the correct explanation of A
(B) Both A and R are individually true but R is NOT the correct explanation of A
(C) A is true but R is false
(D) A is false but R is true