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MCQs 1: Which equation is used to calculate thickness of an alloy steel cylinder with open ends?

Clavarino's equation Birnie's equation Lame's equation None of the above
Answer Explanation

MCQs 2: Why is autofrettage process used in pressure vessels?

Increase fatigue lifetime To enhance carrying capacity To introduce compressive residual stress in them All of the above
Answer Explanation

MCQs 3: Due to which effect, compressive residual stress of strain-hardening model is smaller than elastic-perfectly plastic model?

Seeback effect Peltier effect Bauschinger effect None of the above
Answer Explanation

MCQs 4: Claviro's equation is applicable to cylinders with _______

close ends open ends both a. and b. none of the above
Answer Explanation

MCQs 5: Which equation is used to determine wall thickness for brittle materials?

Brinie's equation Claviro's equation Lame's equation All of the above
Answer Explanation

MCQs 6: What is the weld joint efficiency if pressure vessel is fabricated with single full fillet lap joint?

1.0 0.55 0.65 0.85
Answer Explanation

MCQs 7: Which of the following is not an unfired pressure vessel?

Heat exchanger Storage vessels Steam boilers None of the above
Answer Explanation

MCQs 8: In unfired pressure vessels, category A consists of _________

joints connecting flanges and flat heads welded joints connecting nozzles with main shell circumferential welded joints joints longitudinal welded joints
Answer Explanation

MCQs 9: Which of the following is not expressed by primary design equation?

Functional parameters Material parameters Geometrical parameters None of the above
Answer Explanation

MCQs 10: What does Ψ mean in Lagrange's equation (LE = U + λΨ)?

Lagrange's multipliers Functional constraints Multiple variable objective None of the above
Answer Explanation

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