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

According to slok's law, drag force depends on

Question # 2

Internal friction of fluid is called

Question # 3

The maximum drag force on a falling sphere is 9.8 N, it weight is

Question # 4

The body will move with terminal velocity when it acquires

Question # 5

In a normal healthy person the value of systolic pressure is

Question # 6

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

Question # 7

Deep water almost runs still when surface water flow in rivers. What does it explains

Question # 8

With increase of temperature, the viscosity of liquid and gases

Question # 9

A massive object falls through a fluid:

Question # 10

The blood pressure of a person

Question # 11

Machine parts are jammed due to:

Question # 12

Viscosity is defined as

Question # 13

The rain drop falling from the sky reach the ground with

Question # 14

A flowing liquid possess

Question # 15

In deriving the Bernoulli's equation, we assume that the fluid is

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 In case of streamed lined flow of liquid, the loss of energy is
A. Maximum
B. Minimum
C. Infinite
D. equal to what is in turbulent flow
2 Which of the following has the greatest coefficient of viscosity?
A. water
B. gasoline
C. honey
D. tar
3 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
4 In a normal healthy person the value of diastolic pressure is
A. 75 - 80 torr
B. 100 torr
C. 120 torr
D. none of them
5 The velocity of falling raindrops attains limited value because of
A. Up thrust of air
B. Air currents of the earth atmosphere
C. Surface tension effect
D. Viscous force exerted by air
6 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
7 0.10 cm can be written as:
A. 1.0 x 10-2m
B. 1.0 x 10-3cm
C. 1.0 x 10-4cm
D. 1. x 10-4m
8 During the steady flow, different streamlines
A. cannot across each other
B. can across each other
C. either of them
D. neither of them
9 The maximum drag force on a falling sphere is 9.8 N, it weight is
A. 1 N
B. 9.8 N
C. 4.9 N
D. Cannot be calculated
10 Liquids and gasses have
A. zero viscosity
B. non-zero viscosity
C. very large viscosity
D. very small viscosity

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