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 velocity of falling raindrop attains limited value because of

Question # 2

Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?

Question # 3

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

Question # 4

If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be

Question # 5

When the speed of a body in a fluid increases then the drag force

Question # 6

The body passing a viscous medium affected by:

Question # 7

The smooth or steady streamline flow is known as

Question # 8

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

Question # 9

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

Question # 10

Which of the following options correctly states the equation of continuity for an ideal fluid?

Question # 11

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

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

When each particle of the fluid moves along a smoth path, this path is known as

Question # 14

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

Question # 15

What are the SI base units of the coefficient of viscosity

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is
A. Independent of h
B. Proportional to h1/2
C. Proportional to h
D. Proportional to h2
2 If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe
A. increases
B. decreases
C. becomes zero
D. is conserved
3 Unit of viscosity is:
A. Kg m-1sec-1
B. N s m-2
C. J s m-3
D. All of these
4 The fluid which is incompressible and non viscous is called
A. Ideal fluid
B. Non-ideal fluid
C. Prefect fluid
D. All
5 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
6 The product of cross-sectional area of the pipe and the fluid speed at any pint along the pipe is
A. very high
B. very low
C. constant
D. zero
7 According to slok's law, drag force depends on
A. Radius of the spherical body
B. Terminal velocity of body
C. Coefficient of viscosity
D. All of above
8 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity
9 Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:
A. Is smaller than
B. Is greater than
C. Becomes equal to
D. None of these
10 Which of the following options correctly states the equation of continuity for an ideal fluid?
A. A1A2= V1V2
B. A1/A2= V2/V1
C. A1/A2= V1/V2
D. none of the above

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