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UPSC Civil Service Exam Questions - Engineering

Q1:

A bar of uniform cross-section of 400 mm2 is loaded as shown in the figure. The stress at section 1-1 is

A 50 N/mm2

B 100 N/mm2

C 25 N/mm2

D 200 N/mm2

ANS:B - 100 N/mm2

Stress= load /area.
Stress @SEC1-1= 40*10^3/400,
Stress=100N/mm^2.