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 Reduced preferentially Oxidised preferentially Cheaper Lighter Reduced preferentially Oxidised preferentially Cheaper ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C. 2400 2000 3000 1800 2400 2000 3000 1800 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Surface tension is due to the __________ forces. Cohesive Viscous Difference between adhesive & cohesive Adhesive Cohesive Viscous Difference between adhesive & cohesive Adhesive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most detrimental impurity in high pressure boiler feed water is Suspended salt Turbidity Silica Dissolved salt Suspended salt Turbidity Silica Dissolved salt ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Thermal efficiency of an internal combustion engine is around __________ percent. 8 65 80 35 8 65 80 35 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of hard alloy and tool steel is done to make it easily machinable. Case carburising Normalising Annealing Tempering Case carburising Normalising Annealing Tempering ANSWER DOWNLOAD EXAMIANS APP