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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which type of the pump is different from others in the same group?

Screw pump
Gear pump
Cam and piston pump
Plunger pump

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Hydraulics and Fluid Mechanics in ME
Mercury does not wet glass. This is due to property of liquid known as

cohesion
surface tension
viscosity
adhesion

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Hydraulics and Fluid Mechanics in ME
The jet ratio is defined as the ratio of the

Diameter of jet to the diameter of Pelton wheel
Velocity of jet to the velocity of Pelton wheel
Diameter of Pelton wheel to the diameter of jet
Velocity of Pelton wheel to the velocity of jet

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Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a syphon, an air vessel is provided

at the summit
ay nay point between inlet and outlet
at the outlet
at the inlet

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Hydraulics and Fluid Mechanics in ME
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea

rotameter
hot wire anemometer
pitot tube
Venturimeter

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Hydraulics and Fluid Mechanics in ME
A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is

0.87
0.64
0.46
0.78

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