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

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

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

If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term

Question # 4

Pressure exerted by a gas on the walls of its container in due to

Question # 5

Which of the following has the greatest coefficient of viscosity?

Question # 6

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

Question # 7

The term Brownian movement refers to

Question # 8

The force exerted by the fluid in a hydraulic pump on the piston is 10 cm2, the fluid pressure on the piston is, in N/cm2

Question # 9

In a normal healthy person the value of systolic pressure is

Question # 10

Stock's law holds for:

Question # 11

The study of fluid in motion basically involves law of conservation of:

Question # 12

Under normal circumstances, the volume of blood is sufficient to keep the vessels

Question # 13

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

Question # 14

A massive object falls through a fluid:

Question # 15

Fluid friction is _____ the friction between two solid surfaces:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
2 The force exerted by the fluid in a hydraulic pump on the piston is 10 cm2, the fluid pressure on the piston is, in N/cm2
A. 20
B. 200
C. 2000
D. 20,000
3 Bernoulli's equation is applicable for
A. turbulent flow
B. streamline flow
C. both (a) and (b)
D. all kinds of flows
4 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
5 Where the streamlines are very close to each other, the pressure will be
A. low
B. zero
C. high
D. all of them
6 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
7 A container has a small hole in the bottom. Air can go through this hole,but water cannot. This can be best explained by the statement that
A. water contains hydrogen atoms, air does not
B. water molecules are smaller than molecules in the air
C. water molecules are smaller than molecules in the air
D. surface tension of the water prevents it from
8 The effect of friction between different layers of a flowing fluid is described in terms of
A. motion of fluid
B. nature of fluid
C. colour of fluid
D. viscosity of fluid
9 At low speeds, the drag force is
A. proportional to speed
B. inversely proportional to speed
C. not simply proportional to speed
D. none of them
10 Fluid friction is _____ the friction between two solid surfaces:
A. Greater than
B. Smaller than
C. Equal to
D. None of these

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