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

The irregular and unsteady flow of the fluid is called

Question # 2

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

Question # 3

In a normal healthy person the value of systolic pressure is

Question # 4

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

Question # 5

The property of fluids due to which they resist their own flow is called:

Question # 6

Bernoulli's equation is based upon law of conversation

Question # 7

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

Question # 8

Bernoulli's equation is important in the field of

Question # 9

Density of fluid is defined as:

Question # 10

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

Question # 11

Liquids and gasses have

Question # 12

Surface tension of water is reduced by adding

Question # 13

Bernoulli's equation is applicable for

Question # 14

The internal pressure of the blood is

Question # 15

The density of blood is nearly equal to that of

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:
A. Is smaller than
B. Is greater than
C. Becomes equal to
D. None of these
2 The body will move with terminal velocity when it acquires
A. minimum speed
B. zero speed
C. maximum speed
D. none of them
3 In a normal healthy person the value of systolic pressure is
A. 75 torr
B. 80 torr
C. 120 torr
D. all of them
4 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity
5 How much force is required to slide one layer of the liquid over the other layer is measured by
A. friction
B. density
C. viscosity
D. resistivity
6 A tube tapers from 20 cm diameter to 2 cm, the velocity at first cross-section is 50 ms-1then velocity at second cross-section is
A. 5000 cms-1
B. 500 cms-1
C. 50 cms-1
D. 0.5 cm/s
7 N s m-2is unit of:
A. Drag force
B. Pressure
C. Surface tension
D. Coefficient of viscosity
8 Blood pressure is measured by the instrument
A. stethoscope
B. sphygmomanometer
C. barometer
D. none of them
9 According to slok's law, drag force depends on
A. Radius of the spherical body
B. Terminal velocity of body
C. Coefficient of viscosity
D. All of above
10 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
A. 2.5 ms-1
B. 3.2 ms-1
C. 4.3 ms-1
D. 1.1 ms-1

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