Civil Engineering MCQJE Level Civil Engineering
A candidate is comparing options for Centroid. Which line correctly handles area centre of a composite lamina? Avoid the common trap that holes are added as positive areas.
Engineering MechanicsCentroidEASY
Choose the correct answer
A
centroid depends on material strength only
B
centroid coordinates are area-weighted averages
C
centroid is always at a corner
D
holes are added as positive areas
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 RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.