Test: Fluid Mechanics Level - 2

# Test: Fluid Mechanics Level - 2

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

Test: Fluid Mechanics Level - 2 for Mechanical Engineering 2022 is part of Mechanical Engineering SSC JE (Technical) preparation. The Test: Fluid Mechanics Level - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Fluid Mechanics Level - 2 MCQs are made for Mechanical Engineering 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Fluid Mechanics Level - 2 below.
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Test: Fluid Mechanics Level - 2 - Question 1

### Fluid is a substance which offers no resistance to change of

Test: Fluid Mechanics Level - 2 - Question 2

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

Detailed Solution for Test: Fluid Mechanics Level - 2 - Question 2

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

Test: Fluid Mechanics Level - 2 - Question 3

### Density of water is maximum at

Test: Fluid Mechanics Level - 2 - Question 4

Units of mass density are

Test: Fluid Mechanics Level - 2 - Question 5

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

Test: Fluid Mechanics Level - 2 - Question 6

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

Detailed Solution for Test: Fluid Mechanics Level - 2 - Question 6

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.

Test: Fluid Mechanics Level - 2 - Question 7

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

Test: Fluid Mechanics Level - 2 - Question 8

The specific weight of water is 1000 kg/m3

Test: Fluid Mechanics Level - 2 - Question 9

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

Test: Fluid Mechanics Level - 2 - Question 10

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

Test: Fluid Mechanics Level - 2 - Question 11

For very great pressures, viscosity of most gases and liquids

Test: Fluid Mechanics Level - 2 - Question 12

A fluid in equilibrium can't sustain

Test: Fluid Mechanics Level - 2 - Question 13

Viscosity of water in comparison to mercury is

Test: Fluid Mechanics Level - 2 - Question 14

A balloon lifting in air follows the following principle

Test: Fluid Mechanics Level - 2 - Question 15

Surface tension has the units of

Test: Fluid Mechanics Level - 2 - Question 16

Surface tension

Test: Fluid Mechanics Level - 2 - Question 17

The stress-strain relation of the newtoneon fluid is

Test: Fluid Mechanics Level - 2 - Question 18

The units of viscosity are

Test: Fluid Mechanics Level - 2 - Question 19

Units of surface tension are

Detailed Solution for Test: Fluid Mechanics Level - 2 - Question 19

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.

Test: Fluid Mechanics Level - 2 - Question 20

Which of the following meters is not associated with viscosity ?

Test: Fluid Mechanics Level - 2 - Question 21

Dimensions of surface tension are

Test: Fluid Mechanics Level - 2 - Question 22

For manometer, a better liquid combination is one having

Detailed Solution for Test: Fluid Mechanics Level - 2 - Question 22

For amplifying the deflection in a liquid column manometer, liquids with greater density could be used or one of the limbs of the manometer may be inclined. Commonly used manometric liquids are mercury, water, or alcohol. Some of the important and desirable properties of the manometric liquids are:

• High chemical stability
• Low viscosity
• Low capillary constant
• Low coefficient of thermal expansion
• Low volatility
• Low vapor pressure
• Low surface tension
Test: Fluid Mechanics Level - 2 - Question 23

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

Test: Fluid Mechanics Level - 2 - Question 24

The density of water is 1000 kg/m3 at

Test: Fluid Mechanics Level - 2 - Question 25

The ratio of absolute viscosity to mass density is known as

## Mechanical Engineering SSC JE (Technical)

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## Mechanical Engineering SSC JE (Technical)

6 videos|89 docs|55 tests