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

The electrical forces between the molecules of a liquid are

Question # 2

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

Question # 3

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

Question # 4

The drag force acting on a spherical droplet of radius 10-5m moving with a velocity of 1 cm/sec in a fluid of velocity 5.31 x 10-7m/sec. The units comes out to be:

Question # 5

Viscosity is defined as

Question # 6

Unit of viscosity is:

Question # 7

The fluid which is incompressible and non viscous is called

Question # 8

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

Question # 9

Fluids resist force, This property is called

Question # 10

The blood pressure of a person

Question # 11

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

Question # 12

Bernoulli's equation is applicable for

Question # 13

According to the Bernoulli's theorem the pressure velocity are

Question # 14

Stock's law holds for:

Question # 15

At high altitude the blood oozes out of the nose and ear because

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?
A. potential energy
B. pressure energy
C. strain energy
D. (a) and (b) only
2 High speed meteors rushing through air reduces to ashes because of:
A. Force of gravity
B. High resistance of air
C. Drag force
D. None of these
3 Internal friction of fluid is called
A. Surface tension
B. Viscosity
C. Resistance
D. Cohesive force
4 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
5 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
6 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
7 Which of the following is a characteristic of an ideal fluid?
A. it is non-viscous
B. it is incompressible
C. it's motion is steady
D. all of the above
8 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey
9 The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the
A. orifices
B. efflux
C. fluid
D. none of them
10 0.10 cm can be written as:
A. 1.0 x 10-2m
B. 1.0 x 10-3cm
C. 1.0 x 10-4cm
D. 1. x 10-4m

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