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

Where the streamlines are very close to each other, the pressure will be

Question # 2

Bernoulli's equation is based upon law of conversation

Question # 3

The force exerted by the fluid in a hydraulic pump on the piston is 10 cm2, the fluid pressure on the piston is, in N/cm2

Question # 4

What are the SI base units of the coefficient of viscosity

Question # 5

Fluids resist force, This property is called

Question # 6

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

Question # 7

The velocity of falling raindrops attains limited value because of

Question # 8

The fluid which is incompressible and non viscous is called

Question # 9

According to the Bernoulli's theorem the pressure velocity are

Question # 10

Matter is made up of very tiny particles called

Question # 11

Stoke;s law is not applicable when the speed of the object moving through a fluid is:

Question # 12

The internal pressure of the blood is

Question # 13

Substances that do not flow easily have

Question # 14

When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity
A. v/A = constant
B. A/v = constant
C. Av = constant
D. None
3 The law of conservation of energy gives us
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
4 According to the Bernoulli's theorem the pressure velocity are
A. equal to each other
B. proportional to each other
C. inversely proportional to each other
D. none of them
5 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
6 At low speeds, the drag force is
A. proportional to speed
B. inversely proportional to speed
C. not simply proportional to speed
D. none of them
7 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
8 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
9 Fog droplets are suspended in air when their weight is balanced by:
A. Force of gravity
B. Upward trust due to air
C. Surface tension
D. None of these
10 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them

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