23) How much strain is developed in an iron rod of 1 metre length gets elongated by 1 cm, if a force of 100 kg is applied at one end?
Answer is:
0.01
Related Elasticity MCQ with Answers
Answer is:
12500 kg/mm2
Answer is:
7
Explanation:
The ratio of ultimate stress to the working stress is known as factor of safety. Its value is more than one.
Factor of Safety = Ultimate Stress/Working Stress
Working Stress = Ultimate Stress/Factor of Safety
Working Stress = 35/5 = 7 kg/mm2