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Q:

A tensile test was conducted on a steel bar. The gauge length of the bar was 10cm and the extension was 2mm. What will be the percentage elongation?

A) 0.002 B) 0.02
C) 0.2 D) 2
 
Answer & Explanation Answer: D) 2

Explanation: The percentage elongation = dL/L x 100 = 2/100 x 100 = 2.

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