Civil Engineering MCQAE Level Civil Engineering
The critical load for long columns can be calculated for one end fixed and other hinged condition as per Euler's formula
Strength of MaterialsStrength of MaterialsMEDIUM
Choose the correct answer
A
pi^2 EI/L^2
B
2 pi^2 EI/L^2
C
4 pi^2 EI/L^2
D
pi^2 EI/4L^2
Correct Answer
B. 2 pi^2 EI/L^2
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For one end fixed and other end hinged, effective length is about 0.7L; hence Pcr = pi^2 EI/(0.7L)^2 approximately equals 2 pi^2 EI/L^2
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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.