Civil Engineering MCQJE Level Civil Engineering
Water-supply calculation: A bar is stressed to 150 MPa. If E = 2.0e+05 MPa, the strain is:
Structural AnalysisMechanics, Strength of Materials and Structural AnalysisHARD
Choose the correct answer
A
0.00008
B
0.00075
C
0.00750
D
3.00e+07
Correct Answer
B. 0.00075
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Direct stress σ = P/A (axial force divided by cross-sectional area). Answer: 0.00075. Units: if P in kN and A in mm², then σ in kPa or MPa depending on conversion.
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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.