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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In the case of steady flow of a fluid, the acceleration of any fluid particle is

zero
variable
constant
zero under limiting conditions

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

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to

Equilibrium of a floating body
Archimedes’ principle
Bernoulli’s theorem
Buoyancy

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Hydraulics and Fluid Mechanics in ME
The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

One-half
Equal to
Three fourth
Double

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Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

All of the listed here
Orifice meter
Venturimeter
Pitot tube

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

current meter
hotwire anemometer
venturimeter
pitot tube

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