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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

Newton-sec per meter
Newton-sec per meter²
Meters² per sec
kg-sec/meter

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Hydraulics and Fluid Mechanics in ME
Which of the following is used to measure the discharge ?

pitot tube
current meter
hotwire anemometer
venturimeter

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Hydraulics and Fluid Mechanics in ME
Euler's number is the ratio of __________ force to pressure force.

Viscous
Inertia
Gravity
None of these

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator is a device used to store _________ energy which may be supplied to a machine later on.

Kinetic
Pressure
None of these
Strain

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Hydraulics and Fluid Mechanics in ME
A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ?

4 x (225)3/2 minutes
4 minutes
4 x V225 minutes
4 (225)1/3 minutes

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Hydraulics and Fluid Mechanics in ME
Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by

0.1
0.2
0.05
0.15

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