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

Pressure exerted by a gas on the walls of its container in due to

Question # 2

Substances that do not flow easily have

Question # 3

If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity

Question # 4

0.10 cm can be written as:

Question # 5

The body will move with terminal velocity when it acquires

Question # 6

The velocity of falling raindrop attains limited value because of

Question # 7

A massive object falls through a fluid:

Question # 8

Ball pen functions on the principle of

Question # 9

When the upward drag force of the fluid becomes equal to downward force of gravity of the droplet, then its velocity:

Question # 10

The value for systolic blood pressure for a normal healthy person is

Question # 11

Fog droplets are suspended in air when their weight is balanced by:

Question # 12

In a normal healthy person the value of diastolic pressure is

Question # 13

Surface tension of water is reduced by adding

Question # 14

Stoke;s law is not applicable when the speed of the object moving through a fluid is:

Question # 15

Above a certain velocity of a fluid is called

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 N s m-2is unit of:
A. Drag force
B. Pressure
C. Surface tension
D. Coefficient of viscosity
2 A flowing liquid possess
A. K.E
B. P.E
C. Pressure Energy
D. All
3 The analysis of fluid motion becomes simplified by using
A. law of conservation
B. law of conservation of energy
C. both of them
D. none of them
4 Rate of flow can be expressed in
A. litre/sec
B. litre-sec
C. sec/litre
D. sec/litre-m
5 The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:
A. More, lesser
B. Lesser, more
C. Both A and B
D. Lesser, lesser
6 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
7 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
8 The unit of viscosity is SI system is:
A. Kg-1m sec-1
B. Kgm-1 sec-1
C. Kg-1m-1 sec
D. None of these
9 Blood vessels can be stretch like rubber, therefore they are
A. rigid
B. hard
C. very thick
D. not rigid
10 What is another name for laminar flow?
A. streamline
B. unsteady flow
C. turbulent flow
D. both (a) and (b)

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