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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be

w/h
h/w
wh
h

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Hydraulics and Fluid Mechanics in ME
Delivery head of a centrifugal pump is

Inversely proportional to N
Inversely proportional to N²
Directly proportional to N
Directly proportional to N²

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Pressure force
Elastic force
Viscous force
Gravity force

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Hydraulics and Fluid Mechanics in ME
The number of buckets on the periphery of a Pelton wheel is given by

(D/2d) + 20
(D/2d) + 5
(D/2d) + 10
(D/2d) + 15

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Hydraulics and Fluid Mechanics in ME
Casting of a centrifugal pump is designed so as to minimize

Loss of kinetic energy
Cavitations
Static head
Friction loss

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Hydraulics and Fluid Mechanics in ME
In a reciprocating pump, air vessels are used to

Reduce suction head
Increase delivery head
Smoothen the flow
Reduce acceleration head

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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