A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m, then the hoop stress will be________?
A300 MN/m2
B50 MN/m2
C30 MN/m2
D100 MN/m2
E200 MN/m2
Correct answer
D. 100 MN/m2
Explanation
The correct answer is 100 MN/m2.