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Hydraulics and Fluid Mechanics in ME

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
Choose the wrong statement. Alcohol is used in manometer, because

Its density is less
It provides longer length for a given pressure difference
Its vapour pressure is low
It provides suitable meniscus for the inclined tube

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Hydraulics and Fluid Mechanics in ME
For hypersonic flow, the Mach number is

greater than 2
greater than unity
greater than 4
unity

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends on

pressure of the liquid displaced
viscosity of the liquid
mass of liquid displaced
depth of immersion

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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
Double
Three fourth

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Hydraulics and Fluid Mechanics in ME
An average value of coefficient of velocity is

0.84
0.76
0.97
0.62

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