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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water to the turbines?

Reciprocating pump
Jet pump
Centrifugal pump
Air lift pump

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Hydraulics and Fluid Mechanics in ME
A Piezometer tube is used only for measuring

Low pressure
Vacuum pressure
Moderate pressure
High pressure

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Hydraulics and Fluid Mechanics in ME
A turbine develops 10000 kW under a head of 25 meters at 135 r.p.m. Its specific speed is

275.4 r.p.m
241.5 r.p.m.
175.4 r.p.m.
215.5 r.p.m.

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid __________ as the pressure increases.

Increases
Remain same
None of these
Decreases

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Hydraulics and Fluid Mechanics in ME
The pressure at a point 4 m below the free surface of water is

39.24 kPa
49.24 kPa
19.24 kPa
29.24 kPa

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Hydraulics and Fluid Mechanics in ME
The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly enlarged to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden enlargement is

(v₁ - v₂)²/g
(v₁² - v₂²)/2g
(v₁ - v₂)²/2g
(v₁² - v₂²)/g

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