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 smooth or steady stream-line flow is know as

Question # 2

Density of fluid is defined as:

Question # 3

The body will move with terminal velocity when it acquires

Question # 4

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

Question # 5

Bernoulli's equation is based upon law of conservation

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

Surface tension of water is due to

Question # 12

The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called

Question # 13

Drag force increases if speed of the object moving through the fluid:

Question # 14

The SI unit of viscosity is

Question # 15

One torr is equal to

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 At the starting point of the free fall motion of an object, its acceleration will be
A. maximum
B. minimum
C. zero
D. none of them
4 The study of fluid in motion basically involves law of conservation of:
A. Mass
B. Energy
C. Change
D. Both A and C
5 Drag force increases if speed of the object moving through the fluid:
A. Increases
B. Decreases
C. Remains constant
D. None of these
6 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
7 The pressure will be low where the speed of the fluid is
A. Zero
B. High
C. Low
D. Constant
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 resistance offered by a fluid to a solid moving inside it is called:
A. Drag force
B. Surface force
C. Viscosity
D. None of these

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