Question # 1

Bunsen burner works on the principle of.

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Venturi effect

Terricilli's effect

Bernoulli's effect

None of these

A 2 meter of high tank is full of water. If a hole appears at its middle, then the speed of efflux is.

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4.4 ms-1

10 ms-1

6.2 ms-1

20 ms-1

The law of conservation of energy is the basis of.

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Stream line flow

Equation of continuity

Bernoulli's equation

Venture relation

The lower reading of blood pressure is called.

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Systolic pressure

Diastolic pressure

Normal pressure

Non normal pressure

The regular or steady flow of fluid is called

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Stream line

Turbulent flow

Average flow

None of these

The ratio of the velocities of wate in a pipe lying horizontally at two ends is 1 : 4 The ratio of diameters of pipe at these two ends is.

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1 : 2

2 : 1

1 : 4

4 : 1

When water falls from tap, its cross sectional area decrease due to.

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Decrease of speed

Increase of speed

Air pressure

Gravity increase

Blood has density equal to that of

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Mercury

Sodium

Honey

Water

The frictional effect between the different layers of fluid is called

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Terminal velocity

Stock's law

Viscosity

Surface tension

The term in Bernoulli's equation has the same unit as

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Work

Volume

Pressure

Force

Viscosity is represented by Greek letter

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This is used for

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Co-efficient of friction

Co-efficient of expansion

Co-efficient of viscosity

Co-efficient of contraction

The SI unit of flow rate are

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m-sec^-2

m³-sec^-1

m³-sec^-2

m-sec^-3

Opted unit to measure blood pressure is.

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N/m2

Pascal

mm of Hg

N.m2

If the radius of droplet becomes half, then its terminal velocity will become.

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Double

Half

One fourth

Remains same

Air blows from

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High pressure to low pressure

Low pressure to high pressure

Low temperature to high temperature

High temperature to low temperature

The device used for measurement of liquid flow is.

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Manometer

Barometer

Hydrometer

Venturimeter

The study of fluid dynamics is

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Easy

Complicated

Impossible

None of these

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Physics Fsc Part 1 Chapter 6 Online Test MCQs With Answers

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