Question # 1

The law of conservation of mass gives us

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Equation of continuity

Stock's law

Bernoulli's equation

Viscosity

The dimension of pgh has same as that of

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Work

Energy

Pressure

Mass

The SI unit of flow rate are

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m-sec^-2

m³-sec^-1

m³-sec^-2

m-sec^-3

Torricelli's theorem is given by

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The unsteady flow of a fluid is called

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Stream line

Turbulent flow

Average flow

Viscous flow

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

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40%

60%

25%

50%

Blood has density equal to that of

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Mercury

Sodium

Honey

Water

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

Let A = Area of cross section of pipe, v = speed of fluid, then 'Av' is called.

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Volume flow rate

Energy flow rate

Mass flow rate

Pressure flow rate

The SI units of flow rate are.

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m2s-1

m3s-2

m3s-1

m2s-2

The regular or steady flow of fluid is called

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Stream line

Turbulent flow

Average flow

None of these

A fog droplets are in freely falling condition,. the ratio of their radii is 2:3, the ratio of their terminal velocities will be.

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2:3

4:6

4:9

9:4

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 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 law of conservation of mass gives.

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Beronoulli's

Venturi relation

Torricelli's theorem

Equation of continuity

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

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Double

Half

One fourth

Remains same

The density of blood is nearly equal to.

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Air

Milk

Honey

Water

Blood pressure is measured by

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Hydrometer

Barometer

Sphygmomanometer

Galvanometer

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