# Civil Engineering - Strength of Materials - Discussion

### Discussion :: Strength of Materials - Section 4 (Q.No.40)

40.

If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar, becomes

 [A]. zero [B]. infinite [C]. maximum [D]. minimum.

Explanation:

No answer description available for this question.

 Samm said: (Aug 31, 2016) How? Explain it.

 Harish said: (Dec 15, 2016) Can anyone explain it?

 Jay Brahmabhatt said: (Jan 23, 2017) Stress = force/area. According to this, if we increase the stress so the area of section is decreased. So when stress is equal to working stress so the area becomes infinite.

 Ubi said: (Mar 21, 2017) Anyone please explain this.

 Vip said: (Jan 19, 2018) D should be the correct answer.

 Deepak Kumar said: (Feb 20, 2018) Working stress means maximum so the area will be minimum.

 Skm said: (May 12, 2018) Option D is correct.

 Satya said: (May 25, 2018) Option D is correct I think.

 Neel said: (Jul 15, 2018) Freely prismatic bar stress is equal zero. So area is infinite.

 Hemraj Basnet said: (Feb 9, 2019) Consider S = stress. Then partial derivative of stress with respect area. dS/dA=pd(A power minus 1)/dA, solve it, A=p/0, A= infinite.

 Khurshid said: (Oct 6, 2019) I think area has to e infinite when stress is maximum in order to avoid unwanted situation.

 Ankit Namdev said: (Aug 23, 2020) Minumum is correct one.

 B.Nehru said: (Sep 1, 2020) Yes, you are right, Thanks @Jay Brahmabhatt.