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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The force present in a moving liquid is

Gravity force
Viscous force
Inertia force
All of these

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is equal to

density/dynamic viscosity
dynamic viscosity/density
dynamicviscosity x density
1/dynamicviscosity x density

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Hydraulics and Fluid Mechanics in ME
The coefficient of discharge for an external mouthpiece depends upon

Pressure of liquid
Velocity of liquid
Area of mouthpiece
Length of mouthpiece

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Hydraulics and Fluid Mechanics in ME
A notch is used to measure __________ of liquids.

Discharge
Pressure
Volume
Velocity

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Hydraulics and Fluid Mechanics in ME
A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is

40 × 10⁵ kg/cm²
400 kg/cm²
4000 kg/cm²
40 × 10⁶ kg/cm²

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Hydraulics and Fluid Mechanics in ME
A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is

27,000 kg
9,000 kg
13,500 kg
18,000 kg

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