Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 10000 10 100 1000 10000 10 100 1000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Source of heat supply in a cupola is Charcoal Pulverised coal Lumpy coal Coke Charcoal Pulverised coal Lumpy coal Coke 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. Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion & compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion & compression are isentropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Plastic deformation of material does not occur 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 Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur 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 Initation of crack occurs on the surface of the machine part ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having resistivity ranging from 1 to 100 ohm. cm is termed as Semi-conductor None of these Conductor Insulator Semi-conductor None of these Conductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Steel produced from phosphatic iron is __________ in nature. Tough Ductile Brittle Malleable Tough Ductile Brittle Malleable ANSWER DOWNLOAD EXAMIANS APP
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