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 analysis of fluid motion becomes simplified by using

Question # 2

One torr is equal to

Question # 3

When a water droplet falling freely through air, the drag force on water droplet increases with th

Question # 4

In Bernoulli's theorem the relation between velocity and pressure is

Question # 5

The blood pressure of a person

Question # 6

The law of conservation of energy gives us

Question # 7

A body is moving through a viscous medium eventually comes to rest because of:

Question # 8

If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe

Question # 9

If water rises 4 cm in a long, thin tube because of capillary action, then, under corresponding conditions of use, the rise (in the tube) of a liquid whose density is 2 g/cm2will be

Question # 10

The application of Bernoulli's equation is

Question # 11

Stock's law holds for:

Question # 12

Fluid friction is _____ the friction between two solid surfaces:

Question # 13

Blood vessels can be stretch like rubber, therefore they are

Question # 14

A flowing liquid possess

Question # 15

The smooth or steady stream-line flow is know as

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
3 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
4 The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is
A. stethoscope
B. thermometer
C. manometer
D. barometer
5 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
6 Internal friction of fluid is called
A. Surface tension
B. Viscosity
C. Resistance
D. Cohesive force
7 Machine parts are jammed due to:
A. Increasing in viscosity of lubricant
B. Decreasing in viscosity of lubricant
C. Decreasing in surface tension of lubricant
D. None of these
8 Where the streamlines are very close to each other, the pressure will be
A. low
B. zero
C. high
D. all of them
9 During the steady flow, different streamlines
A. cannot across each other
B. can across each other
C. either of them
D. neither of them
10 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey

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