Which of the following is not an unfired pressure vessel?

Which equation is used to calculate thickness of an alloy steel cylinder with open ends?

A. Clavarino's equation

B. Birnie's equation

C. Lame's equation

D. None of the above

Why is autofrettage process used in pressure vessels?

A. Increase fatigue lifetime

B. To enhance carrying capacity

C. To introduce compressive residual stress in them

D. All of the above

Due to which effect, compressive residual stress of strain-hardening model is smaller than elastic-perfectly plastic model?

A. Seeback effect

B. Peltier effect

C. Bauschinger effect

D. None of the above

Claviro's equation is applicable to cylinders with _______

A. close ends

B. open ends

C. both a. and b.

D. none of the above

Which equation is used to determine wall thickness for brittle materials?

A. Brinie's equation

B. Claviro's equation

C. Lame's equation

D. All of the above