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. Maximum temperature is higher Heat rejection is lower Expansion & compression are isentropic Combustion is at constant volume Maximum temperature is higher Heat rejection is lower Expansion & compression are isentropic Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Relatively high sulphur content in the base metal Martensite formation Sufficient hydrogen present in the welding arc Retained austenite Relatively high sulphur content in the base metal Martensite formation Sufficient hydrogen present in the welding arc Retained austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In age-hardenable alloys, maximum ductility is obtained After optimum ageing Immediately after solution treatment and subsequent quenching After overageing In as cast state After optimum ageing Immediately after solution treatment and subsequent quenching After overageing In as cast state ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Routing in production, planning & control is concerned with the Balancing of load on machines Authorisation of work to be performed Progress of work performed Sequence of operation to be performed Balancing of load on machines Authorisation of work to be performed Progress of work performed Sequence of operation to be performed ANSWER DOWNLOAD EXAMIANS APP
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 Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of hard alloy and tool steel is done to make it easily machinable. Annealing Tempering Normalising Case carburising Annealing Tempering Normalising Case carburising ANSWER DOWNLOAD EXAMIANS APP
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