Question # 1

Substances that don't flow easily has

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Large co-efficient of viscosity

Small co-efficient of viscosity

Medium co-efficient of viscosity

Zero-coefficient of viscosity

The regular or steady flow of fluid is called

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Stream line

Turbulent flow

Average flow

None of these

The diastolic pressure of a normal healthy person is.

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120 torr

110 torr

100 torr

75-80 torr

The dimensional of potential energy per unit volume are same as that of.

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Work

Pressure

Speed

Density

Blood has density equal to that of

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Mercury

Sodium

Honey

Water

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

Stoke's law holds for bodies having.

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Spherical shape

Oblong shape

Rectangular shape

All shapes

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

Venturimeter is used ot measure.

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Speed of fluid

Pressure of fluid

Volume of fluid

Mass of fluid

The law of conservation of mass gives us

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Equation of continuity

Stock's law

Bernoulli's equation

Viscosity

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 term in Bernoulli's equation has the same unit as

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Work

Volume

Pressure

Force

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

Viscosity is represented by Greek letter

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The drag force increases as the speed of object

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Become zero

Decreases

Increases

Remains constant

Which material has maximum viscosity

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Glycerin

Plasma

Methanol

Water

The study of fluid dynamics is

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Easy

Complicated

Impossible

None of these

The SI units of flow rate are.

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m2s-1

m3s-2

m3s-1

m2s-2

The terminal velocity of a droplet falling down under gravity is directly proportional to the square of

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Its density

Its radius

Its viscosity

Its elasticity

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