The stress in section AB is Mpa. A) 22.5 B) 26.3 C) 28.8 D) 31.8 E) 44.2 F) 56.6 4. The stress in section BC is Mpa. A) 22.5

B) 26.3

C) 28.8

D) 31.8

E) 44.2

F) 56.6 5.

While under the load, the strain in section AB is x 10 -6 mm/mm.

A) 455

B) 808

C) 64,320

D) 125,300

E) 450,000

F) 722,300

6. While under the load, the strain in section BC is x 10 -6 mm/mm.

A) 455

B) 808

C) 64,320

D) 125,300

E) 45,000

F) 722,300

7. The total elongation of the bar while under the applied load is mm.

A) 0.110

B) 0.322

C) 0.596

D) 12.5

E) 17.7

F) 18.3

8. Upon removal of the load, the permanent deformation of the bar is mm.

A) 0.110

B) 0.322

C) 0.596

D) 12.5

E) 17.7

F) 18.3

The stress in section AB is 31.8 Mpa

The stress in section BC is 56.6 Mpa

Explanation:

P.S - The exact question is -

As given,

= 10 KN , = 10 KN

d = 20 m for AB

d = 15 m for BC

Area of AB =

Now,

Stress in AB = = 31.8 Mpa

Now,

Area in BC = =

Now,

Stress in BC = = 56.6 Mpa

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