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 body passing a viscous medium affected by:

Question # 2

Substances that do not flow easily have

Question # 3

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

Question # 4

A massive object falls through a fluid:

Question # 5

The body will move with terminal velocity when it acquires

Question # 6

Density of fluid is defined as:

Question # 7

With the increase of temperature viscosity

Question # 8

Machine parts are jammed due to:

Question # 9

Glycerin has viscosity _____ the viscosity of water:

Question # 10

The study of fluid in motion basically involves law of conservation of:

Question # 11

If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe

Question # 12

What are the SI base units of the coefficient of viscosity

Question # 13

Bernoulli's equation is based upon law of conversation of

Question # 14

When the speed of a body in a fluid increases then the drag force

Question # 15

The density of water is 103kg/m3. The water pressure on a submarine is 2.0 x 107N/m2. The depth of the submarine below the surface of the water, in maters, is approximately

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 Internal friction of fluid is called
A. Surface tension
B. Viscosity
C. Resistance
D. Cohesive force
3 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
4 At low speeds, the drag force is
A. proportional to speed
B. inversely proportional to speed
C. not simply proportional to speed
D. none of them
5 When a fluid is in motion, its flow can be considered as
A. turbulent
B. streamline
C. either or them
D. neither of them
6 The SI unit of viscosity is
A. kg m-1s-1
B. kg ms-1
C. kg m-1s-2
D. kg m-1s
7 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
8 Blood vessels can be stretch like rubber, therefore they are
A. rigid
B. hard
C. very thick
D. not rigid
9 A high concentration of red blood cells increases its viscosity from
A. 3 - 5 times that of mercury
B. 5 - 8 times that of mercury
C. 3 - 5 times that of water
D. 5 - 8 times that of water
10 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above

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