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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the viscous force is called

Weber's number
Froude's number
Reynold's number
Euler's number

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Hydraulics and Fluid Mechanics in ME
The height of a water column equivalent to a pressure of 0.15 MPa is

35.3 m
25.3 m
15.3 m
45.3 m

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Hydraulics and Fluid Mechanics in ME
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water

52 cm
52.2 cm
50 cm
51 cm

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of discharge is __________ the value of coefficient of velocity.

More than
Same as
None of these
Less than

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Hydraulics and Fluid Mechanics in ME
The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

K.ρ
None of the listed here
ρ/K
K/ρ

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Hydraulics and Fluid Mechanics in ME
The pitot tube is used to measure

velocity at stagnation point
static pressure
dynamic pressure
stagnation pressure

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