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

Substances that flow easily have

Question # 2

Bernoulli's equation is based upon law of conservation

Question # 3

A body is moving through a viscous medium eventually comes to rest because of:

Question # 4

Which of the following has the greatest coefficient of viscosity?

Question # 5

Surface tension of water is reduced by adding

Question # 6

Where the streamlines are very far apart from each other, the pressure will be

Question # 7

In a normal healthy person the value of diastolic pressure is

Question # 8

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 9

At high altitude the blood oozes out of the nose and ear because

Question # 10

When a water droplet falling freely through air, the drag force on water droplet increases with th

Question # 11

When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called

Question # 12

The law of conservation of mass gives us the

Question # 13

N s m-2is unit of:

Question # 14

Above a certain velocity of a fluid is called

Question # 15

A massive object falls through a fluid:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The rain drop falling from the sky reach the ground with
A. Constant terminal velocity
B. Constant gravitational acceleration
C. Variable acceleration
D. acceleration greater than g
2 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
3 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey
4 Substances that do not flow easily have
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
5 Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid
A. speed
B. height
C. none of them
D. both of them
6 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
7 In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.
A. Streamline, cannot
B. Turbulent, cannot
C. Streamline, can
D. None of these
8 The direction of the streamlines is the same as the direction of the
A. force
B. torque
C. velocity
D. weight
9 Internal friction of fluid is called
A. Surface tension
B. Viscosity
C. Resistance
D. Cohesive force
10 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

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