Reynolds number is the ratio of____________________?

A. Centroid of the displaced volume of fluid
B. Centre of gravity of a submerged body
C. Centroid of the volume of any floating body
D. None of these

A. Constant
B. Variable
C. Both A. & B.
D. Neither A. nor B.

A. 0.1
B. 0.55
C. 0.95
D. 1.85

A. Q1/Q2
B. Q2/Q1
C. (Q2 – Q1)/Q1
D. (Q2 – Q1)/Q2

A. Reciprocating compressor
B. Blower
C. Axial flow compressor
D. Centrifugal compressor

A. Suction
B. Delivery
C. Manometric
D. None of these