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

Internal friction of fluid is called

Question # 2

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

Question # 3

The rain drop falling from the sky reach the ground with

Question # 4

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

Question # 5

The velocity of falling raindrops attains limited value because of

Question # 6

In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.

Question # 7

With increase of temperature, the viscosity of liquid and gases

Question # 8

Blood vessels can be stretch like rubber, therefore they are

Question # 9

Bernoulli's equation is based upon law of conversation

Question # 10

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

Question # 11

With the increase of temperature viscosity

Question # 12

If water rises 4 cm in a long, thin tube because of capillary action, then, under corresponding conditions of use, the rise (in the tube) of a liquid whose density is 2 g/cm2will be

Question # 13

Under normal circumstances, the volume of blood is sufficient to keep the vessels

Question # 14

According to the Bernoulli's theorem the pressure velocity are

Question # 15

When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 In a normal healthy person the value of systolic pressure is
A. 75 torr
B. 80 torr
C. 120 torr
D. all of them
2 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
3 Surface tension of water is reduced by adding
A. Detergents
B. Camphor
C. Plastic
D. Both A and B
4 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
5 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
6 A device used to measure the speed of liquid flow is known as
A. barometer
B. speedometer
C. sphygmomanometer
D. venture-meter
7 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
A. Quadratic equation
B. Equation of discontinuity
C. Equation of continuity
D. None of the above
8 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
9 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
10 Blood pressure is measured by the instrument
A. stethoscope
B. sphygmomanometer
C. barometer
D. none of them

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