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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Water is a __________ fluid.

Newtonian
Real
Ideal
Non-Newtonian

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

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Hydraulics and Fluid Mechanics in ME
The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H).

P/ H3/2
P/ √H
P/ H
P/ H²

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Hydraulics and Fluid Mechanics in ME
The viscosity of water is __________ than that of mercury.

Higher
None of these
Same as
Lower

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Hydraulics and Fluid Mechanics in ME
The increase of temperature results in

increase in viscosity of liquid
increase in viscosity of gas
decrease in viscosity of gas
decrease in viscosity of liquid

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Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Reynold's number
Euler's number
Froude's number
Mach number

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