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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The viscosity of water at 20°C is

One stoke
One centipoise
One centistoke
One poise

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Hydraulics and Fluid Mechanics in ME
Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between

Lift and resultant force
Lift and drag
Drag and resultant force
Lift and tangential force

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Hydraulics and Fluid Mechanics in ME
The highest efficiency is obtained with a channel of __________ section.

Square
Rectangular
Trapezoidal
Circular

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

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

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Hydraulics and Fluid Mechanics in ME
For small discharge at high pressure, following pump is preferred

Axial flow
Mixed flow
Centrifugal
Reciprocating

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Hydraulics and Fluid Mechanics in ME
The units of kinematic viscosity are

newton-sec per meter
kg sec/meter
newton-sec per meter
metres² per sec

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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