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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

Four
Three
One
Two

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of discharge is __________ the value of coefficient of velocity.

Less than
None of these
More than
Same as

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Hydraulics and Fluid Mechanics in ME
Which of the following is used to measure the discharge ?

pitot tube
venturimeter
current meter
hotwire anemometer

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Hydraulics and Fluid Mechanics in ME
The absolute pressure is equal to

Gauge pressure - atmospheric pressure
Gauge pressure + atmospheric pressure
Atmospheric pressure - gauge pressure
Gauge pressure - vacuum pressure

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Hydraulics and Fluid Mechanics in ME
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

Broad-crested weir
Submerged weir
Ogee weir
Narrow-crested weir

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Hydraulics and Fluid Mechanics in ME
The force of buoyancy is always __________ the weight of the liquid displaced by the body.

None of these
Equal to
More than
Less than

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