A. H
B. H2
C. H3/2
D. H1/2
Related Mcqs:
- A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of _______________ shape?
A. Circular
B. Rectangular
C. Triangular
D. Trapezoidal - The discharge through a rectangular weir varies as ___________________?
A. H1/2
B. H5/2
C. H2/5
D. H3/2 - The discharge through a V-notch weir varies as___________________?
A. H3/2
B. H1/2
C. H5/2
D. H2/3 - Co-efficient of discharge (Cd) is defined as actual discharge/theoretical discharge and is equal to Cc . Cv; where Cc = Co-efficient of contraction and Cv = co-efficient of velocity. Cd of an orifice is usually about__________________?
A. 0.42
B. 0.62
C. 0.82
D. 0.98 - 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 - Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the ____________ head?
A. Manometric
B. Total
C. Static
D. Friction - In laminar flow through a round tube, the discharge varies ______________________?
A. Linearly as the viscosity
B. Inversely as the pressure drop
C. Inversely as the viscosity
D. As the square of the radius - The maximum discharge through a circular channel takes place, when the depth of the fluid flow is ______________ times the pipe diameter?
A. 0.25
B. 0.5
C. 0.66
D. 0.95 - The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is________________?
A. 0.1
B. 0.55
C. 0.95
D. 1.85 - Hydraulic mean depth (Dm) for a circular pipe of diameter ‘D’ flowing full is 0.25 D. For a circular channel, at Dm = 0.3 D, gives the condition for the maximum ?
A. Flow rate
B. Mean velocity
C. Both ‘a’ & ‘b’
D. Neither ‘a’ nor ‘b’
