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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The most efficient section of a channel is

Triangular
Rectangular
Trapezoidal
Square

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Hydraulics and Fluid Mechanics in ME
The specific weight of water is 1000 kg/m3

At normal pressure of 760 mm
At mean sea level
At 4°C temperature
All of the listed here

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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

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

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Hydraulics and Fluid Mechanics in ME
The pressure measured with the help of a pressure gauge is called

Gauge pressure
Absolute pressure
Atmospheric pressure
Mean pressure

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Hydraulics and Fluid Mechanics in ME
The flow rate in gear pump

Unpredictable
More or less remains constant with increase in pressure
Decreases with increase in pressure
Increases with increase in pressure

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Hydraulics and Fluid Mechanics in ME
The height of a water column equivalent to a pressure of 0.15 MPa is

35.3 m
25.3 m
45.3 m
15.3 m

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