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

High speed meteors rushing through air reduces to ashes because of:

Question # 2

The body will move with terminal velocity when it acquires

Question # 3

Viscosity of water is ______ that of air but ___ that of plasma.

Question # 4

Under normal circumstances, the volume of blood is sufficient to keep the vessels

Question # 5

During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with

Question # 6

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

Question # 7

The equation of continuity is

Question # 8

The velocity of falling raindrops attains limited value because of

Question # 9

How much force is required to slide one layer of the liquid over the other layer is measured by

Question # 10

What is another name for laminar flow?

Question # 11

Which of the following has the greatest coefficient of viscosity?

Question # 12

A high concentration of red blood cells increases its viscosity from

Question # 13

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

Question # 14

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

Question # 15

The fluid which is incompressible and non viscous is called

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Rate of flow can be expressed in
A. litre/sec
B. litre-sec
C. sec/litre
D. sec/litre-m
2 In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called
A. Quadratic equation
B. Equation of discontinuity
C. Equation of continuity
D. None of the above
3 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
4 The resistance offered by a fluid to a solid moving inside it is called:
A. Drag force
B. Surface force
C. Viscosity
D. None of these
5 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
6 In a normal healthy person the value of systolic pressure is
A. 75 torr
B. 80 torr
C. 120 torr
D. all of them
7 Density of fluid is defined as:
A. Its volume to mass ratio
B. Product of volume and mass
C. Its mass of volume ratio
D. None of these
8 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
9 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
10 Internal friction of fluid is called
A. Surface tension
B. Viscosity
C. Resistance
D. Cohesive force

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