GATE XE concept:principal-stresses PYQs & Answers

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concept:principal-stresses

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Questions 1–6 of 6. Imported answers require independent review unless marked reviewed.

Topic practice 6 questionsPage 1 of 1

Sum of the principal stresses of a 2D stress state

is _____ (in integer).

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For a plane stress problem, the principal stresses are 100 MPa and 50 MPa. The magnitude of maximum shear stress (in MPa) in the material is______(rounded off to one decimal place).

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With respect to the plane of maximum shear stress, which of the following statements is INCORRECT?

Your answerChoose one option.

The normal stress on the plane is zero.

The maximum shear stress is equal to the largest of the one half the difference of principal stresses

The plane of maximum shear stress occurs at 45° to the principal planes.

The magnitude of the maximum shear stress is equal to the largest of the radius of the Mohr’s circles.

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The state of stress at a point in a body under plane stress condition is given as σ_x = 5 MPa, σ_y = −1 MPa and τ_xy = 4 MPa. If one of the principal stresses at that point is 7 MPa, then the other non-zero principal stress (in MPa) is _____

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At a point in a stressed body, sum of the normal stresses acting on perpendicular faces of an arbitrarily oriented plane stress element is always

Your answerChoose one option.

dependent on the angle of orientation of the element

constant and independent of angle of orientation of the element

one half of the sum of the principal stresses

zero

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The principal stresses on a plane stress element are shown in the figure. The maximum shear stress (in MPa) is

Diagram for Engineering Sciences question 5

Your answerChoose one option.

200

100

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GATE XE concept:principal-stresses PYQs

How to practice concept:principal-stresses

Question 74

Question 74

Question 6

Question 9

Question 4

Question 5