Question # 1

The device used for measurement of liquid flow is.

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Manometer

Barometer

Hydrometer

Venturimeter

Which material has maximum viscosity

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Glycerin

Plasma

Methanol

Water

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

Blood pressure is measured by

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Hydrometer

Barometer

Sphygmomanometer

Galvanometer

The fluid is said to be incompressible, if its density is.

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Zero

Very high

Constant

Very small

The product of cross sectional area of a pipe and speed of fluid along the pipe is

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Zero

Maximum

Constant

Variable

The frictional effect between the different layers of fluid is called

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Terminal velocity

Stock's law

Viscosity

Surface tension

The study of fluid dynamics is

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Easy

Complicated

Impossible

None of these

If the stream lines of fluid are forced closer together then.

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Speed of the fluid increases

Speed of the fluid decreases

Pressure of the fluid increases

Speed of the fluid remain same

The unit of co efficient of viscosity in S.I system

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Kg -1 ms-1

Kg m-1 s-1

kg -1 m-1

Kg ms-1

The dimension of viscosity are

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[M2L-2T2]

[M-1LT-1]

[M-1L-1T]

[ML-1T-1]

The law of conservation of mass gives.

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Beronoulli's

Venturi relation

Torricelli's theorem

Equation of continuity

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

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Work

Volume

Pressure

Force

When body acquires terminal velocity them its acceleration 'a' becomes.

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a = 0

a = g

a > 0

a < 0

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 law of conservation of mass gives us

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Equation of continuity

Stock's law

Bernoulli's equation

Viscosity

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

The concentration of red blood cells in the blood is nearly.

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40%

60%

25%

50%

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