Chemical Process The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to Remove lignin by way of crystallisation None of these Avoid mechanical weakening of fibre Increase the cellulose content Remove lignin by way of crystallisation None of these Avoid mechanical weakening of fibre Increase the cellulose content ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main product in calcium carbide-water reaction is C₂H₂ CaCO₃ Ca(OH)₂ CO₂ C₂H₂ CaCO₃ Ca(OH)₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In Kraft process of paper manufacture, white cooking liquor consists of caustic soda Sodium sulphite & sodium carbonate Sodium sulphite & sodium sulphide Sodium sulphide & sodium carbonate None of these Sodium sulphite & sodium carbonate Sodium sulphite & sodium sulphide Sodium sulphide & sodium carbonate None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fermentation of molasses to produce ethyl alcohol is done at __________ °C 100 - 150 < - 5 20 - 30 250 - 300 100 - 150 < - 5 20 - 30 250 - 300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lime and soda ash are added to water to remove Bicarbonates & sulphates of calcium and magnesium Undersirable taste and odour Bacteria Its corrosiveness Bicarbonates & sulphates of calcium and magnesium Undersirable taste and odour Bacteria Its corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Liquefaction of gases can not be done by Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Merely compressing it beyond critical pressure Adiabatic expansion against a piston or in a turbine Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Merely compressing it beyond critical pressure Adiabatic expansion against a piston or in a turbine Exchange of heat with colder stream ANSWER DOWNLOAD EXAMIANS APP
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