Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the 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 Pressure after compression to that before compression Volume of air in cylinder before compression to that after compression None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Lighter Oxidised preferentially Cheaper Reduced preferentially Lighter Oxidised preferentially Cheaper Reduced preferentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Coke is added in the blast furnace to Reduce & melt the iron ore Increase the fluidity of slag None of these Remove sulphur & phosphorus from molten metal Reduce & melt the iron ore Increase the fluidity of slag None of these Remove sulphur & phosphorus from molten metal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Milligram of KOH required to saponify 1 gm of oil is called its __________ number. Acid Precipitation Saponification Emulsion Acid Precipitation Saponification Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Super conduction in metals is observed at a temperature of __________ °K. >100 About 373 About 273 >100 About 373 About 273 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