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

Pressure exerted by a gas on the walls of its container in due to

Question # 2

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

Question # 3

Where the streamlines are very far apart from each other, the pressure will be

Question # 4

Fog droplets are suspended in air when their weight is balanced by:

Question # 5

The SI unit of viscosity is

Question # 6

In a normal healthy person the value of diastolic pressure is

Question # 7

The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is

Question # 8

Matter is made up of very tiny particles called

Question # 9

During the steady flow, different streamlines

Question # 10

The product of cross-sectional area of the pipe and the fluid speed at any pint along the pipe is

Question # 11

The irregular and unsteady flow of the fluid is called

Question # 12

In case of streamed lined flow of liquid, the loss of energy is

Question # 13

The equation of continuity is

Question # 14

One torr is equal to

Question # 15

How much force is required to slide one layer of the liquid over the other layer is measured by

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The dimensions of viscosity are:
A. M2L-1T-2
B. M-1L1T-1
C. M-1L-1T
D. ML-1T-1
2 The equation of continuity
A1V1= A2V2is for the flow of
A. an ideal fluid
B. an incompressible fluid
C. a non visconcous fluid
D. all of the above
3 The law of conservation of mass gives us the
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
4 At high speed, fluid friction _____ and fuel consumption ___,:
A. Increases, decreases
B. Increases, increases
C. Decreases, increases
D. None of these
5 The body passing a viscous medium affected by:
A. One force only
B. Two forces only
C. Four forces
D. None of these
6 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
7 According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area
A. decreases
B. increases
C. becomes zero
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 Bernoulli's equation is based upon law of conversation of
A. mass
B. momentum
C. Energy
D. None
10 Stoke;s law is not applicable when the speed of the object moving through a fluid is:
A. Zero
B. Small
C. Large
D. None of these

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