ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

Try The MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

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ECAT Physics Chapter 6 Fluid Dynamics

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Question # 1

Machine parts are jammed due to:

Question # 2

The term Brownian movement refers to

Question # 3

The blood pressure of a person

Question # 4

Surface tension of water is reduced by adding

Question # 5

When a water droplet falling freely through air, the drag force on water droplet increases with th

Question # 6

The internal pressure of the blood is

Question # 7

Drag force increases if speed of the object moving through the fluid:

Question # 8

The direction of the streamlines is the same as the direction of the

Question # 9

In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.

Question # 10

The body passing a viscous medium affected by:

Question # 11

The electrical forces between the molecules of a liquid are

Question # 12

According to Stoke's law, drag force depends on

Question # 13

The law of conservation of energy gives us

Question # 14

At high altitude the blood oozes out of the nose and ear because

Question # 15

The body will move with terminal velocity when it acquires

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 High speed meteors rushing through air reduces to ashes because of:
A. Force of gravity
B. High resistance of air
C. Drag force
D. None of these
2 In Bernoulli's theorem the relation between velocity and pressure is
A. Inverse
B. Direct
C. None of the above
D. Both a and b
3 According to the Bernoulli's theorem the pressure velocity are
A. equal to each other
B. proportional to each other
C. inversely proportional to each other
D. none of them
4 The pressure will change in the pipe, as the fluid moves through that pipe of varying
A. cross-section
B. height
C. none of them
D. both of them
5 The law of conservation of mass gives us the
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
6 At the starting point of the free fall motion of an object, its acceleration will be
A. maximum
B. minimum
C. zero
D. none of them
7 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
8 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
9 The internal pressure of the blood is
A. less than the external atmospheric pressure
B. greater than the external atmospheric pressure
C. equal to the external atmosphericpressure
D. none of them
10 In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called
A. Quadratic equation
B. Equation of discontinuity
C. Equation of continuity
D. None of the above

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