Civil Engineering - Theory of Structures - Discussion

Discussion Forum : Theory of Structures - Section 1 (Q.No. 16)
16.
A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm2 is :
4.0 mm
4.5 mm
5.0 mm
5.5 mm
6.0 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

K.vignesh. said:   7 years ago
Good explanation, Thanks @Jack.

Rajiv said:   5 years ago
P= 1960 N.
Stress= 100N/mm^2.
Formula(Sress= P/A).

100 = 1960/A.
A = 1960/100.
Where A=π/4d^2.
Then :- 22/7*4*d^2=196/10.
d^2= 28/22*196/10.
d= √25.
d= 5 =>Answer.
(1)

Mahesh said:   3 years ago
Stress = p/A.
Stress = 100N/mm2.
P = 1960N.
100 = 1960/A.
A = 196mm2.
3.14 * d2/4 = 196.
d = 5mm.
(4)


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