Question # 1

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

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40%

60%

25%

50%

The word Fluid means

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To rise

To fall

To flow

To oppose

The density of blood is nearly equal to.

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Air

Milk

Honey

Water

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

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

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Low

Zero

High

Constant

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

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

Opted unit to measure blood pressure is.

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N/m2

Pascal

mm of Hg

N.m2

Stoke's law holds for bodies having.

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Spherical shape

Oblong shape

Rectangular shape

All shapes

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

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Zero

Very high

Constant

Very small

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 law of conservation of mass gives us

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Equation of continuity

Stock's law

Bernoulli's equation

Viscosity

Viscosity is represented by Greek letter

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A₁b₁= A₂b₂represents

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Stock's law

Newton's law

Equation of continuity

Brenoulli's equation

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 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

The unsteady flow of a fluid is called

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Stream line

Turbulent flow

Average flow

Viscous flow

The study of fluid dynamics is

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Easy

Complicated

Impossible

None of these

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Physics ICS Part 1 Chapter 6 Online Test MCQs With Answers

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