Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Increases Shows inversion of solubility Decreases None of these Increases Shows inversion of solubility Decreases None of these 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. 50 100 None of these 50 100 None of these 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 A suitable lubricant used for watches is Palm oil Hazel-nut oil Grease Metallic soap solution Palm oil Hazel-nut oil Grease Metallic soap solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Castability of aluminium is increased by the addition of __________ in it. Lead Manganese Silicon Bismuth Lead Manganese Silicon Bismuth ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Free oxygen is removed from boiler feed water, because it None of these Reduces heat transfer co-efficient Causes explosion Is corrosive None of these Reduces heat transfer co-efficient Causes explosion Is corrosive ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS