Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold chiesel & hammers are made of High carbon steel High speed steel Forged steel Mild steel High carbon steel High speed steel Forged steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Corrosion rate can not be lowered by reducing the __________ of the corroding medium. Temperature Concentration Velocity None of these Temperature Concentration Velocity None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Consideration of the creep is the most important in case of the Blades of gas turbine Cycle chain Flywheel of steam engine Piston of an I. C. engine Blades of gas turbine Cycle chain Flywheel of steam engine Piston of an I. C. engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system Has very high C.O.P Is as light as possible Consumer minimum horse power Employs minimum quantity of refrigerant Has very high C.O.P Is as light as possible Consumer minimum horse power Employs minimum quantity of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres 25 55 35 75 25 55 35 75 ANSWER DOWNLOAD EXAMIANS APP
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