Civil Engineering MCQJE Level Civil Engineering
During an RRB JE solution review on Strain Energy, what is the safest statement about energy stored in an elastic bar? Avoid the common trap that strain energy is independent of load.
Strength of MaterialsStrain EnergyHARD
Choose the correct answer
A
strain energy is independent of load
B
strain energy is always negative
C
strain energy under gradual axial load is P squared L divided by 2AE
D
strain energy is PL/AE
Correct Answer
C. strain energy under gradual axial load is P squared L divided by 2AE
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The load-deflection curve is triangular for gradual elastic loading. 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.