Civil Engineering MCQJE Level Civil Engineering
A design assistant has to decide on load transfer through a uniform prismatic bar. Which statement is sound? Avoid the common trap that normal stress is independent of cross-section.
Strength of MaterialsAxial StressEASY
Choose the correct answer
A
normal stress is independent of cross-section
B
normal stress is axial load multiplied by length
C
normal stress is axial load divided by the net area
D
normal stress is calculated from polar moment of inertia
Correct Answer
C. normal stress is axial load divided by the net area
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For direct loading, sigma = P/A using the resisting area normal to the load. Correct option: C.
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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.