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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet)

(1 + cos φ)/2
(1 - sin φ)/2
(1 - cos φ)/2
(1 + sin φ)/2

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Hydraulics and Fluid Mechanics in ME
The pressure measured with the help of a Piezometer tube is in

N/mm2
Head of liquid
All of these
N/m2

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Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Horizontal
Nearly horizontal
Steep
First rise and then fall

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Hydraulics and Fluid Mechanics in ME
The two important forces for a floating body are

buoyancy, gravity
inertial, gravity
buoyancy, pressure
buoyancy, inertial

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Hydraulics and Fluid Mechanics in ME
The gross or total head of the turbine is the ___________ of the water levels at the head race and tail race.

None of these
Difference
Product
Sum

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Hydraulics and Fluid Mechanics in ME
In case of an airfoil, the separation of flow occurs

any where between rear and front of body depending upon Reynolds number
at the extreme front of body
midway between rear and front of body
at the extreme rear of body

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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