Mechanical Engineering · all questions

Hydraulics And Fluid Mechanics
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Q561

Dimensions of surface tension are

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Q562

When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be

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Q563

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

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Q564

Reynold's number is the ratio of the inertia force to the

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Q565

The divergent portion of a Venturimeter is made longer than convergent portion in order to

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Q566

Indicator diagram of a reciprocating pump is a graph between

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Q567

Flow occurring in a pipeline when a valve is being opened is

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Q568

Francis turbine is best suited for

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Q569

According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies

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Q570

The ratio of the inertia force to the viscous force is called

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Q571

Liquids transmit pressure equally in all the directions. This is according to

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Q572

The hydraulic mean depth or the hydraulic radius is the ratio of

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Q573

The mass of 2.5 m³ of a certain liquid is 2 tonnes. Its mass density is

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Q574

Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of

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Q575

Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of

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Q576

The velocity of jet of water traveling out of opening in a tank filled with water is proportional to

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Q577

The loss of pressure head in case of laminar flow is proportional to

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Q578

In a centrifugal pump, the regulating valve is provided on the

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Q579

Piezometer is used to measure

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Q580

Differential manometer is used to measure

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