Civil Engineering MCQJE Level Civil Engineering

During an RRB JE solution review on Principal Stress, what is the safest statement about a plane on which shear stress disappears? Avoid the common trap that the remaining normal stress must be zero.

Strength of MaterialsPrincipal StressMEDIUM

Choose the correct answer

A

the plane is always horizontal

B

the remaining normal stress is a principal stress

C

the shear stress is maximum on that plane

D

the remaining normal stress must be zero

Correct Answer

B. the remaining normal stress is a principal stress

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Principal planes carry zero shear stress. Correct option: B.

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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.

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