ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Question # 1

Bernoulli's equation is based upon law of conservation

Question # 2

Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?

Question # 3

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

Question # 4

The mass of fluid passing through any cross-section per unit time is called

Question # 5

The equation of continuity
A1V1= A2V2is for the flow of

Question # 6

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

Question # 7

The property of fluids due to which they resist their own flow is called:

Question # 8

Bernoulli's equation is based upon law of conversation of

Question # 9

Surface tension of water is due to

Question # 10

The body passing a viscous medium affected by:

Question # 11

The analysis of fluid motion becomes simplified by using

Question # 12

What are the SI base units of the coefficient of viscosity

Question # 13

Substances that do not flow easily have

Question # 14

The un-steady streamline flow is called

Question # 15

When a fluid is in motion, its flow can be considered as

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Bernoulli's equation is important in the field of
A. Electrical circuit
B. Magnetism
C. Photoelectric effect
D. Flow of fluids
2 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
3 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
4 Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?
A. fluid B
B. fluid A
C. both take the same time
D. not possible to determine from given information
5 When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called
A. incompressible
B. compressible
C. viscous
D. non viscous
6 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
7 The mass of fluid passing through any cross-section per unit time is called
A. electric flux
B. magnetic flux
C. mass flux
D. none of them
8 High speed meteors rushing through air reduces to ashes because of:
A. Force of gravity
B. High resistance of air
C. Drag force
D. None of these
9 If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be
A. turbulent
B. streamline
C. abrupt
D. none of them
10 The velocity of falling raindrop attains limited value because of
A. Up trust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere

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