Civil Engineering MCQJE Level Civil Engineering
Strain energy case: A bar with axial load 60 kN, length 1800 mm, area 300 mm² and E=1.5e+05 MPa stores strain energy nearest:
Structural AnalysisMechanics, Strength of Materials and Structural AnalysisHARD
Choose the correct answer
A
0.0024 N-m
B
36 N-m
C
144 N-m
D
72 N-m
Correct Answer
D. 72 N-m
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Axial strain energy U = P²L/(2AE), using consistent N-mm units.
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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.