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Hydraulics and Fluid Mechanics in ME

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
pitot tube
Venturimeter
hot wire anemometer

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Hydraulics and Fluid Mechanics in ME
A Francis turbine is used when the available head of water is

25 m to 250 m
0 to 25 m
None of these
Above 250 m

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Hydraulics and Fluid Mechanics in ME
The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

2.4 m
4.0 m
2.5 m
3.0 m

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

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

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Hydraulics and Fluid Mechanics in ME
A venturi-flume is used to measure

Pressure of liquid
Discharge of liquid
Pressure difference between two points in a pipe
Pressure difference between two points in a channel

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Hydraulics and Fluid Mechanics in ME
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc

100 kg
1 kg
10 kg
1000 kg

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