engineering recuitment UKPSC AE Civil 2021 Mock Test (Re-Exam) Strength of Materials Simple Stress and Strain
The standard gauge length over which the extension is to be measured to determine percentage elongation of a specimen with initial cross section (ac) is -
1
\(6.56\sqrt {{a_c}} \)
2
\(5.65\sqrt {{a_c}} \)
3
\(6.65\sqrt {{a_c}} \)
4
\(\sqrt {6.56}\;a_c \)