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 drag force increases as the speed of object

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Become zero

Decreases

Increases

Remains constant

Bunsen burner works on the principle of.

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Venturi effect

Terricilli's effect

Bernoulli's effect

None of these

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

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

Which material has maximum viscosity

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Glycerin

Plasma

Methanol

Water

The device used for measurement of liquid flow is.

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Manometer

Barometer

Hydrometer

Venturimeter

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

The instrument which detects the instant as which the external pressure becomes equal to the systolic pressure is called.

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Manometer

Sphygmomanometer

Barometer

Stethoscope

The lower reading of blood pressure is called.

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Systolic pressure

Diastolic pressure

Normal pressure

Non normal pressure

1 torr in Nm-2 is expressed as.

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130.5 Nm-2

133.3 N m-2

140.2 Nm-2

135.2 Nm-2

Opted unit to measure blood pressure is.

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N/m2

Pascal

mm of Hg

N.m2

the systolic pressure of normal healthy person is.

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120 torr

130 torr

115 torr

110 torr

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 terminal velocity can be obtained by using

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Newton's law

Stock's law

Guass's law

None of these

Pressure of fluid will be low where speed of fluid is.

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Low

Zero

High

Constant

The unsteady flow of a fluid is called

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Stream line

Turbulent flow

Average flow

Viscous flow

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