For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively)?

A. Head loss is the same through each pipe
B. Discharge is the same through all the pipes
C. Total head loss is equal to the sum of the head losses through each pipe
D. None of these

A. Atmospheric air
B. Compressed air
C. Water
D. None of these

A. Pressure fluctuation
B. Eddies
C. Deviating velocities
D. All A., B. & C.

A. Temperature remains constant
B. Compressibility is greater than zero
C. Density does not change with pressure & temperature
D. Is frictionless

A. Gate valve
B. Globe valve
C. Butterfly valve
D. Check valve

A. A constant velocity with no acceleration
B. A fluctuating velocity
C. Attained after moving one-half of total distance
D. None of these