HYDRAULICS AND FLUID MECHANICS IN ME QUIZ

When the Venturimeter is inclined, then for a given flow it will show __________ reading.

Same

None of these

Less

More

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Differential manometer is used to measure

Pressure in pipes, channels etc.

Difference of pressure between two points

Atmospheric pressure

Very low pressure

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Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by

0.15

0.1

0.05

0.2

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Discharge of a centrifugal pump is

Inversely proportional to (diameter)² of its impeller

Inversely proportional to diameter of its impeller

Directly proportional to diameter of its impeller

Directly proportional to (diameter)² of its impeller

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The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is

(waV/g) × sin θ

(waV²/2g) × sin 2θ

(waV²/g) × sin θ

(waV/2g) × sin θ

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Falling drops of water become spheres due to the property of

surface tension

adhesion

viscosity

cohesion

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A flow in which __________ force is dominating over the viscosity is called turbulent flow.

Inertia

Viscous

Elastic

Surface tension

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The maximum discharge over a broad crested weir is

0.384 Cd × L × H1/2

0.384 Cd × L × H3/2

1.71 Cd × L × H3/2

1.71 Cd × L × H1/2

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Bernoulli's equation is applied to

Orifice meter

Venturimeter

Pitot tube

All of the listed here

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The Thomson's turbine is _________ reaction turbine.

A mixed flow

An outward flow

An axial flow

An inward flow

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