Chemical Process Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to Reduce its viscosity Increase the variation in its viscosity with temperature Reduce the variation in its viscosity with temperature Increase its viscosity Reduce its viscosity Increase the variation in its viscosity with temperature Reduce the variation in its viscosity with temperature Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Wet chlorine gas produced during electrolysis of brine is dehydrated by Passing it through a bed of silica gel None of these Spraying 66° Be H₂SO₄ counter current to the flow of the gas Passing it through a bed of diatomaceous earth Passing it through a bed of silica gel None of these Spraying 66° Be H₂SO₄ counter current to the flow of the gas Passing it through a bed of diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of chlorine in the treatment of sewage Causes bulking of activated sludge Aids in flocculation Helps in grease separation Increases the biological oxygen demand(BOD) Causes bulking of activated sludge Aids in flocculation Helps in grease separation Increases the biological oxygen demand(BOD) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Dissolved salt Suspended salt Dissolved oxygen Silica Dissolved salt Suspended salt Dissolved oxygen Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fats as compared to oils have Lower melting point More unsaturated glycerides of fatty acids Less unsaturated glycerides of fatty acids Much higher reactivity to oxygen Lower melting point More unsaturated glycerides of fatty acids Less unsaturated glycerides of fatty acids Much higher reactivity to oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Brackish water which contains mostly dissolved salt, can be purified by the __________ process. Reverse osmosis Permutit Sand filter Lime soda Reverse osmosis Permutit Sand filter Lime soda ANSWER DOWNLOAD EXAMIANS APP
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