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

If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe

Question # 2

Blood pressure is measured by the instrument

Question # 3

During the steady flow, different streamlines

Question # 4

The unit of viscosity is SI system is:

Question # 5

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

Question # 6

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 # 7

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 # 8

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

Question # 9

Ball pen functions on the principle of

Question # 10

A device used to measure the speed of liquid flow is known as

Question # 11

High speed meteors rushing through air reduces to ashes because of:

Question # 12

The density of blood is nearly equal to that of

Question # 13

Bernoulli's equation is based upon law of conservation

Question # 14

The density of water is 103kg/m3. The water pressure on a submarine is 2.0 x 107N/m2. The depth of the submarine below the surface of the water, in maters, is approximately

Question # 15

The electrical forces between the molecules of a liquid are

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Liquids and gasses have
A. zero viscosity
B. non-zero viscosity
C. very large viscosity
D. very small viscosity
2 When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called
A. incompressible
B. compressible
C. viscous
D. non viscous
3 In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is
A. Independent of h
B. Proportional to h1/2
C. Proportional to h
D. Proportional to h2
4 The product of cross-sectional area of the pipe and the fluid speed at any pint along the pipe is
A. very high
B. very low
C. constant
D. zero
5 An object moving through a fluid experiences a retarding force called a
A. frictional force
B. terminal force
C. opposing force
D. drag force
6 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
7 What are the SI base units of the coefficient of viscosity
A. Kg m s-2
B. kgm2 s-2
C. Kg m s-1
D. kg m-1s-1
8 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
9 The irregular and unsteady flow of the fluid is called
A. turbulent flow
B. steady flow
C. either of them
D. both of them
10 When each particle of the fluid moves along a smoth path, this path is known as
A. straight path
B. smooth path
C. haphazard path
D. steamline

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