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

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

Question # 2

In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called

Question # 3

The internal pressure of the blood is

Question # 4

During the steady flow, different streamlines

Question # 5

Bernoulli's equation is based upon law of conversation of

Question # 6

Surface tension of water is reduced by adding

Question # 7

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

Question # 8

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 # 9

Machine parts are jammed due to:

Question # 10

Glycerin has viscosity _____ the viscosity of water:

Question # 11

A device used to measure the speed of liquid flow is known as

Question # 12

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

Question # 13

The fluid is incompressible, if itsdensity is

Question # 14

When the velocity of a liquid flowing steadily in a tube increases, its pressure?

Question # 15

At the starting point of the free fall motion of an object, its acceleration will be

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The dimensions of viscosity are:
A. M2L-1T-2
B. M-1L1T-1
C. M-1L-1T
D. ML-1T-1
2 The equation of continuity is
A. A1A2 = V1V2
B. A1/V1 =A2/V2
C. V1/A1=V2/A2
D. A1V1 =A2V2
3 The analysis of fluid motion becomes simplified by using
A. law of conservation
B. law of conservation of energy
C. both of them
D. none of them
4 Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid
A. speed
B. height
C. none of them
D. both 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 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
7 Blood vessels can be stretch like rubber, therefore they are
A. rigid
B. hard
C. very thick
D. not rigid
8 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
9 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
10 Surface tension of water is reduced by adding
A. Detergents
B. Camphor
C. Plastic
D. Both A and B

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