A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so 

that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the 

value of E = 0.2 × 106

 N/mm2

, the depth of the joist, is 

(A) 200 mm 

(B) 250 mm 

(C) 300 mm 

(D) 400 mm 

1 Answer

Answer :

(D) 400 mm 

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