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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The stress-strain relation of the newtoneon fluid is

hyperbolic
parabolic
inverse type
linear

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

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

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Hydraulics and Fluid Mechanics in ME
The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger)

(W/p) × (a/A)
(p/W) × (a/A)
(W/p) × (A/a)
(p/W) × (A/a)

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Hydraulics and Fluid Mechanics in ME
The specific speed of a hydraulic turbine depends upon

Speed, power developed and head of water
Speed and power developed
Discharge and power developed
Speed and head of water

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Hydraulics and Fluid Mechanics in ME
The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)

(8/15) Cd. 2g. H5/2
(8/15) Cd. 2g. H
(8/15) Cd. 2g. H²
(8/15) Cd. 2g. H3/2

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

0.611 stoke
0.116 stoke
0.0116 stoke
0.0611 stoke

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