# Test: Fluid Mechanics Level - 2

## 25 Questions MCQ Test Mechanical Engineering SSC JE (Technical) | Test: Fluid Mechanics Level - 2

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Attempt Test: Fluid Mechanics Level - 2 | 25 questions in 50 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Mechanical Engineering SSC JE (Technical) for Mechanical Engineering Exam | Download free PDF with solutions
QUESTION: 1

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QUESTION: 2

### An ideal flow of any fluid must fulfill the following

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An ideal flow of any fluid must fulfill the continuity equation  i.e  Av=constant

QUESTION: 3

### Density of water is maximum at

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QUESTION: 4

Units of mass density are

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QUESTION: 5

Property of a fluid by which its own molecules are attracted is called

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QUESTION: 6

Mercury does not wet glass. This is due to property of liquid known as

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Explanation : Mercury does not wet the glass because the cohesive force with the drops is stronger than the adhesive force between the drops and glass.

QUESTION: 7

Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called

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QUESTION: 8

The specific weight of water is 1000 kg/m3

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QUESTION: 9

The pressure at a point in a fluid will not be same in all the directions when the fluid is

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QUESTION: 10

The surface tension of mercury at normal temperature compared to that of water is

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QUESTION: 11

For very great pressures, viscosity of most gases and liquids

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QUESTION: 12

A fluid in equilibrium can't sustain

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QUESTION: 13

Viscosity of water in comparison to mercury is

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QUESTION: 14

A balloon lifting in air follows the following principle

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QUESTION: 15

Surface tension has the units of

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QUESTION: 16

Surface tension

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QUESTION: 17

The stress-strain relation of the newtoneon fluid is

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QUESTION: 18

The units of viscosity are

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QUESTION: 19

Units of surface tension are

Solution:

Surface tension, represented by the symbol γ (alternatively σ or T), is measured in force per unit length. Its SI unit is newton per meter but the cgs unit of dyne per centimeter is also used.

QUESTION: 20

Which of the following meters is not associated with viscosity ?

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QUESTION: 21

Dimensions of surface tension are

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QUESTION: 22

For manometer, a better liquid combination is one having

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QUESTION: 23

The property of fluid by virtue of which it offers resistance to shear is called

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QUESTION: 24

The density of water is 1000 kg/m3 at

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QUESTION: 25

The ratio of absolute viscosity to mass density is known as

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