ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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

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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Question # 1

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

Question # 2

What is another name for laminar flow?

Question # 3

In a normal healthy person the value of systolic pressure is

Question # 4

The analysis of fluid motion becomes simplified by using

Question # 5

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

Question # 6

The velocity of falling raindrops attains limited value because of

Question # 7

When a fluid is in motion, its flow can be considered as

Question # 8

The fluid is incompressible, if itsdensity is

Question # 9

The unit of viscosity is SI system is:

Question # 10

According to the Bernoulli's theorem the pressure velocity are

Question # 11

The maximum drag force on a falling sphere is 9.8 N, it weight is

Question # 12

A body is floating in a liquid. The up thrust on the body is

Question # 13

N s m-2is unit of:

Question # 14

Machine parts are jammed due to:

Question # 15

Glycerin has viscosity _____ the viscosity of water:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
A. 125 J
B. 90 J
C. 160 J
D. 85 J
2 The velocity of falling raindrop attains limited value because of
A. Up trust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere
3 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
4 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
5 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
6 The study of fluid in motion basically involves law of conservation of:
A. Mass
B. Energy
C. Change
D. Both A and C
7 What is another name for laminar flow?
A. streamline
B. unsteady flow
C. turbulent flow
D. both (a) and (b)
8 Drag force increases if speed of the object moving through the fluid:
A. Increases
B. Decreases
C. Remains constant
D. None of these
9 If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe
A. increases
B. decreases
C. becomes zero
D. is conserved
10 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

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