UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements regarding the working stress design of under-reinforced RC sections:
1. The neutral axis depth will be greater than that of a balanced section
2. The stress in steel in tension will reach its maximum permissible value first
3. The moment of resistance will be less than that of the balanced section
4. The concrete on'the tension side is also to be considered for calculating the moment of resistance of the section.
Of these statement :

A 1 and 2 are correct

B 1 and 4 are correct

C 3 and 4 are correct

D 2 and 3 are correct

ANS:D - 2 and 3 are correct

Yes, D is right answer. Agree @Mrinmoy.