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UPSC Civil Service Exam Questions

Q1:
A prismatic bar of uniform cross-sectional area of 5 cm2 is subjected to axial loads as shown in the given figure. Portion BC is subjected to an axial stress of

A 400 kg/cm2 tansion,

B 2000 kg/m2 compression

C 1000 kg/cm2 tension

D 600 kg/cm2 tension

ANS:B - 2000 kg/m2 compression

Axial load on portion BC= 3000 + 2000 = 5000kg tensile.

Tensile stress = 5000/5 = 1000kg/cm2.



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