The maximum head that can be developed by a single impeller is _____________ ft?
The maximum head that can be developed by a single impeller is _____________ ft?
A. 25
B. 100
C. 250-300
D. 1000
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In turbulent flow, the__________________?
In turbulent flow, the__________________?A. Fluid particles move in an orderly manner
B. Momentum transfer is on molecular scale only
C. Shear stress is caused more effectively by cohesion than momentum transfer
D. Shear stresses are generally larger than in a similar laminar flowNavier-Stokes equation is useful in the analysis of _____________ fluid flow problems?
Navier-Stokes equation is useful in the analysis of _____________ fluid flow problems?A. Non-viscous
B. Viscous
C. Turbulent
D. RotationalThe discharge through a V-notch weir varies as___________________?
The discharge through a V-notch weir varies as___________________?A. H3/2
B. H1/2
C. H5/2
D. H2/3Which of the following quantities are computed by using the hydraulic radius for noncircular ducts ?
Which of the following quantities are computed by using the hydraulic radius for noncircular ducts ?A. Velocity and relative roughness
B. Head loss and velocity
C. Reynold number, relative roughness and head loss
D. Reynolds number and friction factorWater hammer in a pipeline results from the____________________?
Water hammer in a pipeline results from the____________________?A. Bursting of pipelines due to closure by a valve
B. Rapid pressure change due to a rapid change in the rate of flow
C. Pressure increase due to closure of a valve resulting in decrease in rate of flow
D. None of thesePower loss in an orificemeter is _____________ that in a Venturimeter?
Power loss in an orificemeter is _____________ that in a Venturimeter?A. Less than
B. Same as
C. More than
D. Data insufficient, cannot be predicted