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

The law of conservation of energy gives us

Question # 2

Bernoulli's equation is important in the field of

Question # 3

According to the Bernoulli's theorem the pressure velocity are

Question # 4

Bernoulli's equation is based upon law of conversation of

Question # 5

The application of Bernoulli's equation is

Question # 6

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

Question # 7

Above a certain velocity of a fluid is called

Question # 8

With increase of temperature, the viscosity of liquid and gases

Question # 9

Bernoulli's equation is based upon law of conversation

Question # 10

Matter is made up of very tiny particles called

Question # 11

The body passing a viscous medium affected by:

Question # 12

The rain drop falling from the sky reach the ground with

Question # 13

At high speed, fluid friction _____ and fuel consumption ___,:

Question # 14

What are the SI base units of the coefficient of viscosity

Question # 15

The velocity of falling raindrops attains limited value because of

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 At high speed, fluid friction _____ and fuel consumption ___,:
A. Increases, decreases
B. Increases, increases
C. Decreases, increases
D. None of these
3 When the speed of a body in a fluid increases then the drag force
A. decreases
B. becomes zero
C. increases
D. non of them
4 The irregular and unsteady flow of the fluid is called
A. turbulent flow
B. steady flow
C. either of them
D. both of them
5 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
6 Machine parts are jammed due to:
A. Increasing in viscosity of lubricant
B. Decreasing in viscosity of lubricant
C. Decreasing in surface tension of lubricant
D. None of these
7 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
8 A person standing near the track of a fast moving train has tendency to fall towards it because of
A. Vibration due to motion of train
B. Gravitation force of attraction between person and trains
C. The high speed of train
D. Some other effect
9 Viscosity is defined as
A. the friction between fluid and its container's walls
B. the internal friction between two layers of fluid
C. the resistance to flow a fluid experiences
D. the extent to which outside factors effect the fluid's flow
10 Which of the following options correctly states the equation of continuity for an ideal fluid?
A. A1A2= V1V2
B. A1/A2= V2/V1
C. A1/A2= V1/V2
D. none of the above

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