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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is

√2
1
1/√2
43832

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)

Cc/Cr
Cc × Cv
Cc × Cr
Cv × Cr

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Hydraulics and Fluid Mechanics in ME
Which of the following is dimensionless?

Specific gravity
Specific speed
Specific weight
Specific volume

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Hydraulics and Fluid Mechanics in ME
The maximum efficiency of transmission through a pipe is

0.6667
0.567
0.5
0.7666

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Hydraulics and Fluid Mechanics in ME
For hypersonic flow, the Mach number is

unity
greater than 2
greater than unity
greater than 4

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Hydraulics and Fluid Mechanics in ME
Which of the following has highest coefficient of discharge ?

CipoUetti weir
sharp edged orifice
Borda’s mouthpiece running full
venturimeter

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