Answer:
Poissons ratio = -0.3367
Explanation:
Poissons ratio = Lateral Strain / Longitudinal Strain
In this case, the longitudinal strain will be:
Strain (longitudinal) = Change in length / total length
Strain (longitudinal) = (8.40392 - 8.4) / 8.4
Strain (longitudinal) = 4.666 * 10^(-4)
While the lateral strain will be:
Strain (Lateral) = Change in length / total length
Strain (Lateral) = (2.09967 - 2.1) / 2.1
Strain (Lateral) = -1.571 * 10^(-4)
Solving the poisson equation at the top we get:
Poissons ratio = -1.571 / 4.666 <u>( 10^(-4) cancels out )</u>
Poissons ratio = -0.3367
Answer: (b)
Explanation:
Given
Original length of the rod is 
Strain experienced is 
Strain is the ratio of the change in length to the original length

Therefore, new length is given by (Considering the load is tensile in nature)

Thus, option (b) is correct.
Answer:
what are the options available?