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Test: Analysis of Stress & Strain - 1 - Mechanical Engineering MCQ


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10 Questions MCQ Test Strength of Materials (SOM) - Test: Analysis of Stress & Strain - 1

Test: Analysis of Stress & Strain - 1 for Mechanical Engineering 2024 is part of Strength of Materials (SOM) preparation. The Test: Analysis of Stress & Strain - 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Analysis of Stress & Strain - 1 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Analysis of Stress & Strain - 1 below.
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Test: Analysis of Stress & Strain - 1 - Question 1

A bar of square cross - section has b ee n subjected to an axial tensile load. A plane normal to the axis of loading will have

Detailed Solution for Test: Analysis of Stress & Strain - 1 - Question 1

For the plane normal to the axis of loading,

Test: Analysis of Stress & Strain - 1 - Question 2

Normal stresses of equal magnitude a but of opposite signs act at a point of a strained material in perpendicular direction. What would be the resultant normal stress on a plane inclined at 45° to the applied stresses?

Detailed Solution for Test: Analysis of Stress & Strain - 1 - Question 2

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Test: Analysis of Stress & Strain - 1 - Question 3

With reference to the following figure, the tangential stress σt on a plane inclined at an angle θ to the line of action of σ1 would be

Test: Analysis of Stress & Strain - 1 - Question 4

For an element under the effect of biaxial state of normal stresses, the normal stress on 45° plane is equal to

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Test: Analysis of Stress & Strain - 1 - Question 5

If the principal stresses on a plane stress problem are σ1 = 100 MPa and σ2 = 40 MPa, then the magnitude of shear stress (in MPa) will be

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Test: Analysis of Stress & Strain - 1 - Question 6

The state of plane stress at a point is given by σx = 200 MPa, σy = 100 MPa and τxy = 100 MPa. The maximum shear stress (in MPa) is then

Detailed Solution for Test: Analysis of Stress & Strain - 1 - Question 6

Maximum shear stress = 111.8 MPa

Test: Analysis of Stress & Strain - 1 - Question 7

Identify the WRONG statement:

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Two principal planes carrying the maximum and direct stresses are always perpendicular to each other.

Test: Analysis of Stress & Strain - 1 - Question 8

Complimentary shear stresses are

Test: Analysis of Stress & Strain - 1 - Question 9

The state of stresses on an element is as shown in following figure.

The necessary and sufficient condition for its equilibrium is

Detailed Solution for Test: Analysis of Stress & Strain - 1 - Question 9

Moment about upper right corner = 0 

Moment about lower left corner = 0

Test: Analysis of Stress & Strain - 1 - Question 10

At the principal planes

Detailed Solution for Test: Analysis of Stress & Strain - 1 - Question 10

Principal stresses are maximum or minimum normal stresses which may occur on a stressed body. In a 3-D body there may three principal planes which are mutually perpendicular to each other. The plane of principle stresses is called principal plane which always carries zero shear stress.

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