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

Ball pen functions on the principle of

Question # 2

The body passing a viscous medium affected by:

Question # 3

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 4

In a normal healthy person the value of diastolic pressure is

Question # 5

Bernoulli's equation is based upon law of conversation

Question # 6

Substances that flow easily have

Question # 7

Surface tension of water is reduced by adding

Question # 8

Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid

Question # 9

The unit of viscosity is SI system is:

Question # 10

The internal pressure of the blood is

Question # 11

The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called

Question # 12

An object moving through a fluid experiences a retarding force called a

Question # 13

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

Question # 14

Glycerin has viscosity _____ the viscosity of water:

Question # 15

The electrical forces between the molecules of a liquid are

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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 The property of fluids due to which they resist their own flow is called:
A. Drag force
B. Surface tension
C. Viscosity
D. None of these
3 The unit of viscosity is SI system is:
A. Kg-1m sec-1
B. Kgm-1 sec-1
C. Kg-1m-1 sec
D. None of these
4 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
5 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
6 When a fluid is in motion, its flow can be considered as
A. turbulent
B. streamline
C. either or them
D. neither of them
7 According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be
A. low
B. zero
C. high
D. all of them
8 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
9 Blood pressure is measured by the instrument
A. stethoscope
B. sphygmomanometer
C. barometer
D. none of them
10 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None

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