A thin cylinder of inner radius 500 mm and thickness 10

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A thin cylinder of inner radius 500 mm and thickness 10 mm subjected to an internal pressure of 5 MPa. The average circumferential (hoop) stress in MPa is

1. 100
2. 250
3. 500
4. 1000

Correct Option: B

Given: p = 5 MPa
d = 1000 mm
t = 10 mm

Hoop stress ,σ_Hoop =	pd	= 250 MPa
	2t