Which of the following relation is correct?

A Design Strength = Ultimate strength / Partial factor of safety
B Design Strength = Ultimate strength + Partial factor of safety
C Design Strength = Ultimate strength * Partial factor of safety
D Design Strength = Ultimate strength – Partial factor of safety

Correct Answer: Design Strength = Ultimate strength / Partial factor of safety

Design Strength = Ultimate strength / Partial factor of safety. This partial safety factor accounts for possibility of unfavourable deviation of material strength from characteristic value, variation of member sizes, reduction in member strength due to fabrication and tolerances and uncertainty in calculation of strength of members.
Bissoy MCQ
#Design of Steel Structures

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