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

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

Question # 2

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

Question # 3

The analysis of fluid motion becomes simplified by using

Question # 4

The SI unit of viscosity is

Question # 5

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

Question # 6

In Bernoulli's theorem the relation between velocity and pressure is

Question # 7

Drag force increases if speed of the object moving through the fluid:

Question # 8

The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is

Question # 9

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 # 10

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

Question # 11

Bernoulli's equation is based upon law of conservation

Question # 12

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

Question # 13

According to the Bernoulli's theorem the pressure velocity are

Question # 14

Pressure exerted by a gas on the walls of its container in due to

Question # 15

The unit of viscosity is SI system is:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Fire fighters have a jet attached to the head of their water pipes in order to head of their water pipes in order to
A. Increase the mass of water flowing per second
B. Avoid wastage of water
C. Increase the velocity of water flowing out
D. Increase the volume of water flowing per second
2 When the different streamlines cannot cross each other, then this condition is known as
A. continuity condition
B. turbulent flow condition
C. steady flow condition
D. none of them
3 Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid
A. speed
B. height
C. none of them
D. both of them
4 A container has a small hole in the bottom. Air can go through this hole,but water cannot. This can be best explained by the statement that
A. water contains hydrogen atoms, air does not
B. water molecules are smaller than molecules in the air
C. water molecules are smaller than molecules in the air
D. surface tension of the water prevents it from
5 When each particle of the fluid moves along a smoth path, this path is known as
A. straight path
B. smooth path
C. haphazard path
D. steamline
6 The value of viscosity of a fluid is dependent on (at constant temperature)
A. the fluid itself
B. the fluid and its container
C. anything in contact with the fluid
D. all of the above
7 Viscosity of water is ______ that of air but ___ that of plasma.
A. More, more
B. Less, more
C. Less, less
D. More, less
8 The body passing a viscous medium affected by:
A. One force only
B. Two forces only
C. Four forces
D. None of these
9 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
10 In deriving the Bernoulli's equation, we assume that the fluid is
A. incompressible
B. no viscous
C. flows in a steady manner
D. all of them

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