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

Blood vessels can be stretch like rubber, therefore they are

Question # 2

N s m-2is unit of:

Question # 3

One torr is equal to

Question # 4

The body will move with terminal velocity when it acquires

Question # 5

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

Question # 6

Glycerin has viscosity _____ the viscosity of water:

Question # 7

The resistance offered by a fluid to a solid moving inside it is called:

Question # 8

Fluids resist force, This property is called

Question # 9

Surface tension of water is due to

Question # 10

The value of viscosity of a fluid is dependent on (at constant temperature)

Question # 11

Stock's law holds for:

Question # 12

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

Question # 13

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 # 14

In a normal healthy person the value of diastolic pressure is

Question # 15

In a normal healthy person the value of systolic pressure is

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 When a water droplet falling freely through air, the drag force on water droplet increases with th
A. decrease in speed
B. increase in speed
C. pressure
D. none of them
2 Fluid friction is _____ the friction between two solid surfaces:
A. Greater than
B. Smaller than
C. Equal to
D. None of these
3 Where the streamlines are very far apart from each other, the pressure will be
A. low
B. zero
C. high
D. all of them
4 The body will move with terminal velocity when it acquires
A. minimum speed
B. zero speed
C. maximum speed
D. none of them
5 Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?
A. fluid B
B. fluid A
C. both take the same time
D. not possible to determine from given information
6 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
7 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
8 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
9 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity
10 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

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