Pick up the correct statement from the following :
Shear stress is directly proportional to
A stepped notch is a combination of
Centre of buoyancy is
In a short cylindercial external mouthpiece, the venacontracta occurs at a distance from the outlet of orifice equal to
A non-uniform steady flow is through
The notch angle for maximum discharge over a triangular notch, is
If total head available at the inlet of pipe and f1 is the loss of head due to friction in the pipe, the maximum efficiency of transmission of power (ηmax) is
To avoid an interruption in the flow of a syphon, an air vessel is provided
The centre of pressure of a vertical plane immersed in a liquid is at
The intensity of pressure due to sudden closure of a valve of a pipe in which water flows with velocity v, is directly proportional to :
The dimensionless parameter not applicable to flowing liquids, is
If the pressure at the inlet of a pipe iskg/cm2 and pressure drop over the pipe line iskg/cm2, the efficiency of transmission, is
An open container filled with water is moved vertically upward with a uniform linear acceleration. The pressure at its bottom will be
An ideal fluid is
In an inclined pipe, the pressure difference at its two ends is due to
Piezometers are used to measure
For a most economical rectangular channel, the width of the channel must be
A nozzle is fitted at the end of a pipe whose length ism and diameter iscm. If the value of f = 0.the diameter of the nozzle for the maximum transmission of power through the nozzle is
An open container filled with water is moved vertically downward with a uniform linear acceleration. The pressure at its bottom will be
Chezy's formula is used to determine
The pressure rise due to water hammer depends upon
Pick up the incorrect statement from to following regarding triangular notch :
The gases are considered incompressible if Match number is
Weber number is the ratio of inertia force to
A body of dimensions 1.5 m x 1.0 m x 2 m weighskg in water. Its specific gravity is
When the whole fluid mass rotates either due to fluid pressure or gravity or rotation previously imparted, the motion is known as
For uniform flow in canals
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