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

During the steady flow, different streamlines

Question # 2

The smooth or steady stream-line flow is know as

Question # 3

N s m-2is unit of:

Question # 4

Bernoulli's equation is based upon law of conversation of

Question # 5

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

Question # 6

The value of viscosity of a fluid is dependent on (at constant temperature)

Question # 7

The electrical forces between the molecules of a liquid are

Question # 8

Blood has a density

Question # 9

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 # 10

Rate of flow can be expressed in

Question # 11

The blood pressure of a person

Question # 12

The flow of an ideal fluid is

Question # 13

Bernoulli's equation is applicable for

Question # 14

A tube is tapered from 20 cm diameter to 2 cm diameter, the velocity at the first cross-section is 50 cm/s, then the velocity at the second cross-section is

Question # 15

The term Brownian movement refers to

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 A person standing near the track of a fast moving train has tendency to fall towards it because of
A. Vibration due to motion of train
B. Gravitation force of attraction between person and trains
C. The high speed of train
D. Some other effect
2 Above a certain velocity of a fluid is called
A. turbulent flow
B. steady flow
C. either of them
D. both of them
3 The term Brownian movement refers to
A. irregular motions of small particles suspended in a fluid
B. convection currents in a liquid or gas
C. convection currents in a gas but not in a liquid
D. the stretching of a body beyond its elastic limit
4 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
5 Stock's law holds for:
A. Motion through free space
B. Motion through viscous medium
C. Bodies of all shapes
D. None of these
6 In a normal healthy person the value of diastolic pressure is
A. 75 - 80 torr
B. 100 torr
C. 120 torr
D. none of them
7 The law of conservation of energy gives us
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
8 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
9 Deep water almost runs still when surface water flow in rivers. What does it explains
A. Magnus effect
B. Equation of continuity
C. Surface energy
D. Bernoulli's equation
10 Bernoulli's equation is based upon law of conversation of
A. mass
B. momentum
C. Energy
D. None

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