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

Blood is an

Question # 2

The effect of friction between different layers of a flowing fluid is described in terms of

Question # 3

Bernoulli's equation is based upon law of conversation

Question # 4

The equation of continuity is

Question # 5

According to Stoke's law, drag force depends on

Question # 6

When each particle of the fluid moves along a smoth path, this path is known as

Question # 7

Which of the following is a characteristic of an ideal fluid?

Question # 8

Which of the following options states the names of fluids in the order of increasing viscosity?

Question # 9

The term Brownian movement refers to

Question # 10

What are the SI base units of the coefficient of viscosity

Question # 11

A tube tapers from 20 cm diameter to 2 cm, the velocity at first cross-section is 50 ms-1then velocity at second cross-section is

Question # 12

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

Question # 13

Blood pressure is measured by the instrument

Question # 14

The smooth or steady stream-line flow is know as

Question # 15

At the starting point of the free fall motion of an object, its acceleration will be

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 When a fluid is in motion, its flow can be considered as
A. turbulent
B. streamline
C. either or them
D. neither of them
2 When each particle of the fluid moves along a smoth path, this path is known as
A. straight path
B. smooth path
C. haphazard path
D. steamline
3 When the different streamlines cannot cross each other, then this condition is known as
A. continuity condition
B. turbulent flow condition
C. steady flow condition
D. none of them
4 The dimensions of viscosity are:
A. M2L-1T-2
B. M-1L1T-1
C. M-1L-1T
D. ML-1T-1
5 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
6 Substances that flow easily have
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
7 The terminal velocity of a small size spherical body of radius R moving in a fluid varies as
A. R
B. R2
C. 1/R
D. (1/R)2
8 Fog droplets are suspended in air when their weight is balanced by:
A. Force of gravity
B. Upward trust due to air
C. Surface tension
D. None of these
9 During the steady flow, different streamlines
A. cannot across each other
B. can across each other
C. either of them
D. neither of them
10 Surface tension of water is due to
A. Inter molecular attractions
B. Inter molecular spaces
C. Inter molecular repulsion
D. None of above

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