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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A fluid which obeys the Newton's law of viscosity is termed as

Real fluid
Non-Newtonian fluid
Ideal fluid
Newtonian fluid

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Hydraulics and Fluid Mechanics in ME
The number of buckets on the periphery of a Pelton wheel is given by

(D/2d) + 20
(D/2d) + 5
(D/2d) + 15
(D/2d) + 10

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

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Hydraulics and Fluid Mechanics in ME
The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is

μ π³ N² R⁴ /3600 t
μ π³ N² R⁴ /1800 t
μ π³ N² R² /3600 t
μ π³ N² R² /1800 t

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Hydraulics and Fluid Mechanics in ME
The total energy line lies over the centre line of the pipe by an amount equal to

Pressure head - velocity head
Pressure head + velocity head
Pressure head
Velocity head

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Hydraulics and Fluid Mechanics in ME
The coefficient of viscosity may be determined by

Capillary tube method
All of these
Orifice type viscometer
Rotating cylinder method

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