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 fluid which is incompressible and non viscous is called

Question # 2

A fluid at a certain point has 50 J of potential energy per unit volume, 75 J of kinetic energy per unit volume,and 35 J of pressure energy per unit volume. the total energy of the fluid is

Question # 3

The pressure will change in the pipe, as the fluid moves through that pipe of varying

Question # 4

The effect of friction between different layers of a flowing fluid is described in terms of

Question # 5

The velocity of falling raindrop attains limited value because of

Question # 6

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 # 7

The smooth or steady stream-line flow is know as

Question # 8

The electrical forces between the molecules of a liquid are

Question # 9

Blood pressure is measured in torr. Which of the following units could belong to torr?

Question # 10

Bernoulli's equation is applicable for

Question # 11

Which of the following options correctly states the equation of continuity for an ideal fluid?

Question # 12

When each particle of the fluid moves along a smoth path, this path is known as

Question # 13

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

Question # 14

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?

Question # 15

Density of fluid is defined as:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Substances that do not flow easily have
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
2 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
3 One torr is equal to
A. 13.33 N/m2
B. 760 N/m2
C. 760 mm Hg
D. 133.3 N/m2
4 Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?
A. fluid B
B. fluid A
C. both take the same time
D. not possible to determine from given information
5 A body is moving through a viscous medium eventually comes to rest because of:
A. Force of gravity
B. Force of friction
C. Its weight
D. Both A and C
6 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
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 body will move with terminal velocity when it acquires
A. minimum speed
B. zero speed
C. maximum speed
D. none of them
9 The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called
A. constant rate
B. volume rate
C. flow rate
D. steady rate
10 How much force is required to slide one layer of the liquid over the other layer is measured by
A. friction
B. density
C. viscosity
D. resistivity

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