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

Question # 2

The unit of viscosity is SI system is:

Question # 3

According to slok's law, drag force depends on

Question # 4

Fluid friction is _____ the friction between two solid surfaces:

Question # 5

Fire fighters have a jet attached to the head of their water pipes in order to head of their water pipes in order to

Question # 6

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 # 7

The equation of continuity is

Question # 8

The direction of the streamlines is the same as the direction of the

Question # 9

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

Question # 10

When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:

Question # 11

The velocity of falling raindrops attains limited value because of

Question # 12

The dimensions of viscosity are:

Question # 13

A flowing liquid possess

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Two water pipes of diameters 4 cm and 8 cm are connected with a supply line. The velocity of flow of water in the pipe 4 cm diameter is
A. 1/4 times
B. 4 times
C. Twice
D. 1/2 of 8 cm diameter pipe
2 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
3 The mass of fluid passing through any cross-section per unit time is called
A. electric flux
B. magnetic flux
C. mass flux
D. none of them
4 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
5 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
6 The equation of continuity is
A. A1A2 = V1V2
B. A1/V1 =A2/V2
C. V1/A1=V2/A2
D. A1V1 =A2V2
7 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity
8 The property of fluids due to which they resist their own flow is called:
A. Drag force
B. Surface tension
C. Viscosity
D. None of these
9 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
10 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?
A. potential energy
B. pressure energy
C. strain energy
D. (a) and (b) only

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