SSC JE Civil Engineering 2017 Set 2 Solved Paper

Question : 129 of 200

Marks: +1, -0

A simply supported beam of circular cross section with diameter d and length l carries a concentrated load W at the centre of the beam. The strength of the beam is proportional to__________.

$1/D^3$
$1/D^2$
$D^3/1$
$D^2/1$

Validate

Solution:

Strength is proportional to,

1/y={πd^4\/64}/{d\/2}=d^3

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