Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 7 (Q.No. 43)
43.
The effective depth of a singly reinforced rectangular beam is 30 cm. The section is over-rein-forced and the neutral axis is 12 cm below the top. If the maximum stress attained by concrete is 50 kg/cm2 and the modular ratio is 18, then the stress developed in steel would be
1800 kg/cm2
1600 kg/cm2
1350 kg/cm2
1300 kg/cm2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

Gaja said:   8 years ago
mc/t = n/(d-n) substitute & find t.

Answer is 1350.

Chikzz said:   8 years ago
Nc ={ m Qcb / (m Qcb + Qst) }. D

Shiva said:   8 years ago
How to solve this?


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