ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

Try The MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

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ECAT Physics Chapter 6 Fluid Dynamics

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Question # 1

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

Question # 2

Above a certain velocity of a fluid is called

Question # 3

The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:

Question # 4

Bernoulli's equation is based upon law of conservation

Question # 5

Density of fluid is defined as:

Question # 6

A massive object falls through a fluid:

Question # 7

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

Question # 8

Substances that flow easily have

Question # 9

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

Question # 10

Blood pressure is measured by the instrument

Question # 11

When weight of an object falling freely becomes equal to the drag force, then the body will move with

Question # 12

Surface tension of water is reduced by adding

Question # 13

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

Question # 14

Matter is made up of very tiny particles called

Question # 15

A flowing liquid possess

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 In Bernoulli's theorem the relation between velocity and pressure is
A. Inverse
B. Direct
C. None of the above
D. Both a and b
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 Blood pressure is measured in torr. Which of the following units could belong to torr?
A. N m-1
B. N m-2
C. N m
D. N-1m-2
4 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
A. Independent of h
B. Proportional to h1/2
C. Proportional to h
D. Proportional to h2
5 At the starting point of the free fall motion of an object, its acceleration will be
A. maximum
B. minimum
C. zero
D. none of them
6 In a surface tension experiment with a capillary tube water rises up to 0.1 m. if the same experiment is repeated on an artificial satellite, which is resolving around the earth, water will rise in the capillary tube up to a height of
A. 0.1 m
B. 0.2 m
C. 0.98 m
D. Full length of the capillary tube
7 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
8 N s m-2is unit of:
A. Drag force
B. Pressure
C. Surface tension
D. Coefficient of viscosity
9 When a water droplet falling freely through air, the drag force on water droplet increases with th
A. decrease in speed
B. increase in speed
C. pressure
D. none of them
10 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b

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