Chemical Engineering Basics
Consideration of the creep is the most important in case of the

Flywheel of steam engine
Blades of gas turbine
Piston of an I. C. engine
Cycle chain

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Chemical Engineering Basics
Which of the following is not a characteristic observed in material failure by fatigue fracture ?

Initiation of crack from below the surface does not occur
Plastic deformation of material does not occur
Initation of crack occurs on the surface of the machine part
Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface

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