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AE & JE ME Quiz Strength of Materials Principal Stresses and Strains

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Question 1

The plane of maximum shear stress has normal stress that is _________.

Question 2

The radius of a Mohr’s circle indicates ______

Question 3

At point in a body stresses developed are such that σ_x= 140 MPa and σ_y = 60 MPa and the major principle stress is 150 MPa. What is the magnitude of max in-plane shear stress __________ (in MPa).

Question 4

For which of the following stresses we can use Mohr’s Circle?

Question 5

and

are the algebraically largest and smallest principal stresses respectively the value of the maximum shear stress is.

Question 6

The state of stress at a point under plane stress condition is σ_xx = 50 MPa, σ_yy = 80 MPa and τ_xy = 30 MPa. The diameter of Mohr’s circle representing the given state of stress (in MPa) is __________.