Chemical Engineering Basics __________ is the most important element, which controls the physical properties of steel. Carbon Vanadium Manganese Silicon Carbon Vanadium Manganese Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. None of these Shows inversion of solubility Decreases Increases None of these Shows inversion of solubility Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The total frictional resistance to fluid flow does not depend upon the Roughness of the surface Fluid density Fluid pressure Fluid velocity Roughness of the surface Fluid density Fluid pressure Fluid velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which one is neutral in character ? N₂O N₂O₃ N₂O₄ N₂O₅ N₂O N₂O₃ N₂O₄ N₂O₅ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics What is the effect on the performance of the economiser in the thermal power plant boiler, if the feed water temperature is very low due to preheaters being out for repairs or starving of steam supply ? It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water Scale formation rate on economiser tubes increases Economiser tube life increases due to handling of low temperature water Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water Scale formation rate on economiser tubes increases Economiser tube life increases due to handling of low temperature water Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lime contains about 90% CaO. Percentage CaO present in limestone is about 50 25 70 80 50 25 70 80 ANSWER DOWNLOAD EXAMIANS APP
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