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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.

0.02
0.01
0.025
0.015

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Hydraulics and Fluid Mechanics in ME
Which of the following hydraulic unit is used for transmitting increased or decreased torque to the driven shaft?

Hydraulic intensifier
Hydraulic ram
Hydraulic torque converter
Hydraulic accumulator

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Hydraulics and Fluid Mechanics in ME
The undershot water wheels are those in which

The wheel runs partly by the weight of water and partly by the impulse of water
None of these
The wheel runs entirely by the weight of water
The wheel runs entirely by the impulse of water

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Hydraulics and Fluid Mechanics in ME
The center of pressure of a surface subjected to fluid pressure is the point

on the surface at which gravitational force acis
at which all hydraulic forces meet
on the surface at which resultant pres-sure acts
similar to metacentre

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Hydraulics and Fluid Mechanics in ME
The fluid forces considered in the Navier Stokes equation are

gravity, pressure and turbulent
gravity, pressure and viscous
pressure, viscous and turbulent
gravity, viscous and turbulent

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Pressure vs. speed
Pressure in cylinder vs. swept volume
Flow vs. swept volume
Flow vs. speed

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