2874Chemical EngineeringMedium
For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for dia of the tank in question), the thickness of the courses of shell________?
ARemains same throughout
BDecreases upwards
CMay decrease or increase upwards depending upon whether vacuum or positive pressure
DIncreases upwards
Correct answer
B. Decreases upwards
Explanation
The correct answer is Decreases upwards.