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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following is not a reaction turbine?

Pelton wheel
Journal turbine
Fourneyron turbine
Thomson's turbine

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is preferred for flood control and irrigation applications?

Mixed flow pump
Axial flow pump
Reciprocating pump
Centrifugal pump

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Hydraulics and Fluid Mechanics in ME
The wake

None of these
always occurs before a separation point
is a region of high pressure intensity
always occurs after a separation point

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Hydraulics and Fluid Mechanics in ME
The viscosity of water is __________ than that of mercury.

Same as
Higher
None of these
Lower

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Hydraulics and Fluid Mechanics in ME
If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is

V1² / (V1² - V2²)
V1 / (V1 - V2)
(V­1 - V2) / V1
(V­1² - V2²) / V1²

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Hydraulics and Fluid Mechanics in ME
The discharge in an open channel corresponding to critical depth is

None of these
Zero
Minimum
Maximum

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