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Q.6 Match the information given in Group - I with those in Group - II. Group - I P Factor to decrease ultimate strength to design strength Q Factor to increase working load to ultimate load for design R Statical method of ultimate load analysis S Kinematical mechanism method of ultimate load analysis Group - II 1 Upper bound on ultimate load 2 Lower bound on ultimate load 3 Material partial safety factor 4 Load factor

1. (A) P-1; Q-2; R-3; S-4
2. (B) P-2; Q-1; R-4; S-3
3. (C) P-3; Q-4; R-2; S-1
4. (D) P-4; Q-3; R-2; S-1

Correct answer: (C) P-3; Q-4; R-2; S-1

Solution

Option C correctly matches the factors with their definitions: P refers to the material partial safety factor, which decreases the ultimate strength to design strength; Q corresponds to the load factor, which increases the working load to ultimate load for design; R represents the lower bound method of ultimate load analysis; and S denotes the upper bound method.

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