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

Blood pressure is measured in torr. Which of the following units could belong to torr?

Question # 2

The terminal velocity of water droplet of radius 1 x 10-4m and desity 1000 kg m-3descending through air of viscosity 19 x 10-6kg. m-1 s-1 is

Question # 3

Liquids and gasses have

Question # 4

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

Question # 5

When a water droplet falls through air, the net force on it is

Question # 6

The analysis of fluid motion becomes simplified by using

Question # 7

The dimensions of viscosity are:

Question # 8

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 # 9

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

Question # 10

A body is floating in a liquid. The up thrust on the body is

Question # 11

Which of the following is a characteristic of an ideal fluid?

Question # 12

Bernoulli's equation is based upon law of conversation

Question # 13

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

Question # 14

The un-steady streamline flow is called

Question # 15

Two copper balls of 1 cm and 2 cm in diameter are simultaneously dropped in the same viscous medium. The terminal velocity of bigger ball is:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Stoke;s law is not applicable when the speed of the object moving through a fluid is:
A. Zero
B. Small
C. Large
D. None of these
2 Bernoulli's equation is applicable for
A. turbulent flow
B. streamline flow
C. both (a) and (b)
D. all kinds of flows
3 In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.
A. Streamline, cannot
B. Turbulent, cannot
C. Streamline, can
D. None of these
4 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey
5 The law of conservation of energy gives us
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
6 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
7 The dimensions of viscosity are:
A. M2L-1T-2
B. M-1L1T-1
C. M-1L-1T
D. ML-1T-1
8 The smooth or steady stream-line flow is know as
A. Laminar flow
B. Turbulent flow
C. Both a and b
D. None of the above
9 Blood pressure is measured by the instrument
A. stethoscope
B. sphygmomanometer
C. barometer
D. none of them
10 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these

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