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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For centrifugal pump impeller, the maximum value of the vane exit angle is

20° to 25°
25° to 30°
15° to 20°
10° to 15°

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Hydraulics and Fluid Mechanics in ME
Low specific speed of a pump implies it is

Mixed flow pump
Centrifugal pump
None of these
Axial flow pump

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Hydraulics and Fluid Mechanics in ME
The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.

Equal to
Three to four times
Double
Five to six times

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Hydraulics and Fluid Mechanics in ME
Euler's equation in the differential form for the motion of liquids is given by

ρ.dp - g.dz + v.dv = 0
dp/ρ + g.dz + v.dv = 0
dp/ρ - g.dz + v.dv = 0
ρ.dp + g.dz + v.dv = 0

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Hydraulics and Fluid Mechanics in ME
The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is

200 kg/m3
600 kg/m3
400 kg/m3
800 kg/m3

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Hydraulics and Fluid Mechanics in ME
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

wAx
wx
wAx/sinθ
wA

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