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Topic-1

Answer to the Question No: (a)

What I have learnt from the class are: 

Tenacity, Breaking extension, Work of rupture, Initial modulus, Work factor, Work recovery, Elastic recovery, Yield stress, Yield strain, Yield point, Breaking load etc.

Answer to the Question No: (b)

I have already learnt all the content regarding this lecture.

Answer to the Question No: (c)

I have understood the lecture. So, there is no topic which i have to learn yet.

Answer to the Question No: (d)

Initial modulus or stiffness: Fiber stiffness is commonly determined by the initial slope of the stress-strain curve at the origin. This is commonly known as the initial modulus; the higher initial modulus, the stiffer the fiber and the lower initial modulus, the more flexible the fiber.