Mechanical Engineering · all questions

Hydraulics And Fluid Mechanics
practice.

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Q441

Open question

Which type of the pump is different from others in the same group?

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Q442

Open question

Cavitation will begin when

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Q443

Open question

The coefficient of discharge for an external mouthpiece is

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Q444

Open question

The intensity of pressure on an immersed surface __________ with the increase in depth.

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Q445

Open question

The efficiency of a Pelton wheel working under constant head ________ with the increase in power.

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Q446

Open question

The static head of a centrifugal pump is equal to the _________ of suction head and delivery head.

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Q447

Open question

The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

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Q448

Open question

A Piezometer tube is used only for measuring

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Q449

Open question

According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)

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Q450

Open question

The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is

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Q451

Open question

The error in discharge

(\frac{dQ}{Q})

to the error in measurement of head

(\frac{dH}{H})

over a triangular notch is given by

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Q452

Open question

The error in discharge

(\frac{dQ}{Q})

to the error in measurement of head

(\frac{dH}{H})

over a rectangular notch is given by

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Q453

Open question

According to Bernoulli's equation

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Q454

Open question

Which of the following instruments is used to measure flow on the application of Bernoulli's theorem?

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Q455

Open question

Ratio of inertia force to surface Jension is known as

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Q456

Open question

The ratio of absolute viscosity to mass density is known as

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Q457

Open question

The velocity at which the flow changes from laminar flow to turbulent flow is called

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Q458

Open question

Coefficient of discharge C_d is equal to (where C_c = Coefficient of contraction, C_v = Coefficient of velocity and C_r = Coefficient of resistance)

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Q459

Open question

An average value of coefficient of velocity is

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Q460

Open question

A flow through an expanding tube at constant rate is called

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Hydraulics And Fluid Mechanicspractice.

Hydraulics And Fluid Mechanics
practice.