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 The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is Both A & B Radiation Convection Conduction Both A & B Radiation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Pressure after compression to that before compression Volume of air in cylinder before compression to that after compression None of these Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression Volume of air in cylinder before compression to that after compression None of these Clearance volume to the volume swept by piston per stroke ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lead is added to 60:40 brass primarily to improve Machinability Strength Corrosion resistance Fluidity Machinability Strength Corrosion resistance Fluidity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity. 100 50 None of these 100 50 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Milligram of KOH required to saponify 1 gm of oil is called its __________ number. Precipitation Emulsion Acid Saponification Precipitation Emulsion Acid Saponification ANSWER DOWNLOAD EXAMIANS APP