Chemical Engineering Basics Grain hardness is measured by the __________ hardness testing method. Vicker's Knoop Shore sceleroscope Rockwell F Vicker's Knoop Shore sceleroscope Rockwell F ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is Full annealing Bright annealing Patenting None of these Full annealing Bright annealing Patenting None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle. Heat rejection is lower Combustion is at constant volume Maximum temperature is higher Expansion & compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher Expansion & compression are isentropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Thermal efficiency of an internal combustion engine is around __________ percent. 35 8 65 80 35 8 65 80 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy process does not make metal powder by Grinding/milling Hammering Electrolytic deposition Atomisation Grinding/milling Hammering Electrolytic deposition Atomisation ANSWER DOWNLOAD EXAMIANS APP