

MCQOPTIONS
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1. |
a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is |
A. | l/2d |
B. | ²l/3d² |
C. | l²/3d² |
D. | ²l²/3d² |
Answer» D. ²l²/3d² | |