Chemical Engineering Basics Silicon crystal can be converted to p-type semi-conductor by doping with Phosphorous Nitrogen Boron Carbon Phosphorous Nitrogen Boron Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres 75 25 55 35 75 25 55 35 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Milligram of KOH required to saponify 1 gm of oil is called its __________ number. Acid Saponification Precipitation Emulsion Acid Saponification Precipitation Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of stress corrosion ? Caustic embrittlement of steel Season cracking of brass Both (a) & (b) Neither (a) nor (b) Caustic embrittlement of steel Season cracking of brass Both (a) & (b) Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, chromium & nickel Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium 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 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
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