Civil Engineering MCQJE Level Civil Engineering
In quality checking a civil-engineering calculation involving area centre of a composite lamina, which rule applies? Avoid the common trap that centroid is always at a corner.
Engineering MechanicsCentroidEASY
Choose the correct answer
A
centroid is always at a corner
B
centroid coordinates are area-weighted averages
C
holes are added as positive areas
D
centroid depends on material strength only
Correct Answer
B. centroid coordinates are area-weighted averages
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Composite centroids use first moments of area. 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.