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

Bernoulli's equation is based upon law of conversation of

Question # 2

According to slok's law, drag force depends on

Question # 3

The smooth or steady streamline flow is known as

Question # 4

In Bernoulli's theorem the relation between velocity and pressure is

Question # 5

When weight of an object falling freely becomes equal to the drag force, then the body will move with

Question # 6

The rain drop falling from the sky reach the ground with

Question # 7

The law of conservation of mass gives us the

Question # 8

What is another name for laminar flow?

Question # 9

The electrical forces between the molecules of a liquid are

Question # 10

The un-steady streamline flow is called

Question # 11

The value of viscosity of a fluid is dependent on (at constant temperature)

Question # 12

In a normal healthy person the value of systolic pressure is

Question # 13

The pressure will change in the pipe, as the fluid moves through that pipe of varying

Question # 14

Where the streamlines are very close to each other, the pressure will be

Question # 15

If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 A body is moving through a viscous medium eventually comes to rest because of:
A. Force of gravity
B. Force of friction
C. Its weight
D. Both A and C
2 In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.
A. Streamline, cannot
B. Turbulent, cannot
C. Streamline, can
D. None of these
3 The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called
A. constant rate
B. volume rate
C. flow rate
D. steady rate
4 In case of streamed lined flow of liquid, the loss of energy is
A. Maximum
B. Minimum
C. Infinite
D. equal to what is in turbulent flow
5 Where the streamlines are very close to each other, the pressure will be
A. low
B. zero
C. high
D. all of them
6 If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term
A. P
B. 1/2 fv2
C. pgh
D. none of them
7 Density of fluid is defined as:
A. Its volume to mass ratio
B. Product of volume and mass
C. Its mass of volume ratio
D. None of these
8 According to slok's law, drag force depends on
A. Radius of the spherical body
B. Terminal velocity of body
C. Coefficient of viscosity
D. All of above
9 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
10 Which of the following is a characteristic of an ideal fluid?
A. it is non-viscous
B. it is incompressible
C. it's motion is steady
D. all of the above

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