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

The un-steady streamline flow is called

Question # 2

The pressure will change in the pipe, as the fluid moves through that pipe of varying

Question # 3

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

Question # 4

Which of the following options states the names of fluids in the order of increasing viscosity?

Question # 5

With the increase of temperature viscosity

Question # 6

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

Question # 7

With increase of temperature, the viscosity of liquid and gases

Question # 8

The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is

Question # 9

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

Question # 10

In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.

Question # 11

The density of blood is nearly equal to that of

Question # 12

Substances that flow easily have

Question # 13

A massive object falls through a fluid:

Question # 14

The term Brownian movement refers to

Question # 15

The resistance offered by a fluid to a solid moving inside it is called:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
2 An object moving through a fluid experiences a retarding force called a
A. frictional force
B. terminal force
C. opposing force
D. drag force
3 The body will move with terminal velocity when it acquires
A. minimum speed
B. zero speed
C. maximum speed
D. none of them
4 Where the streamlines are very close to each other, the pressure will be
A. low
B. zero
C. high
D. all of them
5 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
6 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
7 The body passing a viscous medium affected by:
A. One force only
B. Two forces only
C. Four forces
D. None of these
8 The fluid which is incompressible and non viscous is called
A. Ideal fluid
B. Non-ideal fluid
C. Prefect fluid
D. All
9 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
A. 200 m
B. 11000 m
C. 2000 m
D. 8000 m
10 Glycerin has viscosity _____ the viscosity of water:
A. More than
B. Equal to
C. Less than
D. None of these

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