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

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 # 2

The terminal velocity of water droplet of radius 1 x 10-4m and desity 1000 kg m-3descending through air of viscosity 19 x 10-6kg. m-1 s-1 is

Question # 3

The drag force acting on a spherical droplet of radius 10-5m moving with a velocity of 1 cm/sec in a fluid of velocity 5.31 x 10-7m/sec. The units comes out to be:

Question # 4

Fluids resist force, This property is called

Question # 5

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

Question # 6

Bernoulli's equation is based upon law of conversation

Question # 7

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

Question # 8

According to slok's law, drag force depends on

Question # 9

According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area

Question # 10

At high altitude the blood oozes out of the nose and ear because

Question # 11

The body passing a viscous medium affected by:

Question # 12

Bernoulli's equation is applicable for

Question # 13

The pressure will be low where the speed of the fluid is

Question # 14

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

Question # 15

If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 When a fluid is in motion, its flow can be considered as
A. turbulent
B. streamline
C. either or them
D. neither of them
2 The law of conservation of energy gives us
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
3 The internal pressure of the blood is
A. less than the external atmospheric pressure
B. greater than the external atmospheric pressure
C. equal to the external atmosphericpressure
D. none of them
4 The unit of viscosity is SI system is:
A. Kg-1m sec-1
B. Kgm-1 sec-1
C. Kg-1m-1 sec
D. None of these
5 In Bernoulli's theorem the relation between velocity and pressure is
A. Inverse
B. Direct
C. None of the above
D. Both a and b
6 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
7 When the velocity of a liquid flowing steadily in a tube increases, its pressure?
A. Decreases
B. Increases
C. Remains same
D. Zero
8 Viscosity is defined as
A. the friction between fluid and its container's walls
B. the internal friction between two layers of fluid
C. the resistance to flow a fluid experiences
D. the extent to which outside factors effect the fluid's flow
9 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
A. 20
B. 200
C. 2000
D. 20,000
10 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey

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