Question # 1

The SI unit of flow rate are

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m-sec^-2

m³-sec^-1

m³-sec^-2

m-sec^-3

The density of blood is nearly equal to.

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Air

Milk

Honey

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

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

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Work

Pressure

Speed

Density

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

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 regular or steady flow of fluid is called

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Stream line

Turbulent flow

Average flow

None of these

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

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Physics English Medium Fsc Part 1 Chapter 6 Online MCQs Test MCQs With Answers

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