Multiple choice

A thin walled spherical shell is subjected to an internal pressure, if the radius of the shell is increased by 1% and the thickness is reduced by 1%, with the internal pressure remaining the same, the percentage change in the circumferential (hoop) stress is

  1. 0

  2. 1

  3. 1.08

  4. 2.02

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation