Civil Engineering MCQJE Level Civil Engineering
A field engineer is checking extension of a straight bar under elastic loading. Which technical note should be accepted? Avoid the common trap that extension depends only on ultimate strength.
Strength of MaterialsAxial DeformationMEDIUM
Choose the correct answer
A
extension depends only on ultimate strength
B
extension is PA/LE for a uniform member
C
extension is PL/AE for a uniform member
D
extension is independent of modulus of elasticity
Correct Answer
C. extension is PL/AE for a uniform member
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Elastic axial deformation follows delta = PL/AE. Correct option: C.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.