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

With increase of temperature, the viscosity of liquid and gases

Question # 2

The irregular and unsteady flow of the fluid is called

Question # 3

How much force is required to slide one layer of the liquid over the other layer is measured by

Question # 4

High speed meteors rushing through air reduces to ashes because of:

Question # 5

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

Question # 6

Blood pressure is measured in torr. Which of the following units could belong to torr?

Question # 7

In case of streamed lined flow of liquid, the loss of energy is

Question # 8

The body will move with terminal velocity when it acquires

Question # 9

Bernoulli's equation is applicable for

Question # 10

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

Question # 11

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

Question # 12

In a surface tension experiment with a capillary tube water rises up to 0.1 m. if the same experiment is repeated on an artificial satellite, which is resolving around the earth, water will rise in the capillary tube up to a height of

Question # 13

Substances that flow easily have

Question # 14

The value of viscosity of a fluid is dependent on (at constant temperature)

Question # 15

When the different streamlines cannot cross each other, then this condition is known as

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
3 Above a certain velocity of a fluid is called
A. turbulent flow
B. steady flow
C. either of them
D. both of them
4 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
5 Surface tension of water is reduced by adding
A. Detergents
B. Camphor
C. Plastic
D. Both A and B
6 The value of viscosity of a fluid is dependent on (at constant temperature)
A. the fluid itself
B. the fluid and its container
C. anything in contact with the fluid
D. all of the above
7 The SI unit of viscosity is
A. kg m-1s-1
B. kg ms-1
C. kg m-1s-2
D. kg m-1s
8 When the different streamlines cannot cross each other, then this condition is known as
A. continuity condition
B. turbulent flow condition
C. steady flow condition
D. none of them
9 Which of the following options states the names of fluids in the order of increasing viscosity?
A. mercury, motor oil, methanol
B. methanol, mercury, motor oil
C. motor oil, mercury, methanol
D. methanol, motor oil, mercury
10 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

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