Civil Engineering MCQJE Level Civil Engineering
For Principal Stress, an examiner focuses on a plane on which shear stress disappears. Which option is valid? Avoid the common trap that the plane is always horizontal.
Strength of MaterialsPrincipal StressMEDIUM
Choose the correct answer
A
the shear stress is maximum on that plane
B
the remaining normal stress is a principal stress
C
the remaining normal stress must be zero
D
the plane is always horizontal
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 SSC JE Civil Paper-I Technical Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.