A. Velocity
B. Velocity head
C. Turbulence
D. None of these
Related Mcqs:
- The pressure head on sudden contraction in a horizontal pipe is converted into the _____________ head?
A. Elevation
B. Velocity
C. Both A. & B.
D. Neither A. nor B. - Major loss in sudden contraction in pipe flow is due to ________________?
A. Boundary friction
B. Flow contraction
C. Expansion of flow after sudden contraction
D. None of these - The head loss due to sudden expansion is__________________?
A. (V12 – V22)/2gc
B. (V1 – V2)2/2gc
C. (V1 – V2)/2gc
D. (V12 – V22)/gc - Velocity head on sudden enlargement in a horizontal pipe is converted into ______________ head?
A. Elevation
B. Pressure
C. Both A. & B.
D. Neither A. nor B. - The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe) ?
A. V2
B. 1/V2
C. 1/V
D. V - The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the_________________?
A. Discharge
B. Suction
C. Suction minus vapor pressure of the liquid at suction temperature
D. Discharge minus vapor pressure of the liquid at the discharge temperature - For pipe flows, head is proportional to __________ at constant capacity(where, D = pipe diameter) ?
A. 1/D
B. 1/D2
C. 1/D5
D. D2 - For a given fluid flow rate, which of the following incurs maximum head loss ?
A. Orificemeter
B. Venturimeter
C. Flow nozzle
D. All of them incur the same head loss - The head loss in turbulent flow in a pipe varies________________?
A. As velocity
B. As (velocity)2
C. Inversely as the square of diameter
D. Inversely as the velocity - The head loss in turbulent flow in a pipe varies_________________?
A. Directly as the velocity
B. Inversely as the square of the velocity
C. Approximately as the square of the velocity
D. Inversely as the square of the diameter
