Question # 1

Venturimeter is used ot measure.

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Speed of fluid

Pressure of fluid

Volume of fluid

Mass of fluid

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

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

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40%

60%

25%

50%

The dimension of viscosity are

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[M2L-2T2]

[M-1LT-1]

[M-1L-1T]

[ML-1T-1]

The drag force increases as the speed of object

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Become zero

Decreases

Increases

Remains constant

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 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

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

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Work

Pressure

Speed

Density

Viscosity is represented by Greek letter

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Torricelli's theorem is given by

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Blood pressure is measured by

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Hydrometer

Barometer

Sphygmomanometer

Galvanometer

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 law of conservation of mass gives.

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Beronoulli's

Venturi relation

Torricelli's theorem

Equation of continuity

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

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Zero

Very high

Constant

Very small

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 diastolic pressure of a normal healthy person is.

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120 torr

110 torr

100 torr

75-80 torr

The flow of a fluid is of

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One type

Two types

Three types

Four type

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Physics Fsc Part 1 Chapter 6 Online Test MCQs With Answers

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