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 Increase the cellulose content Avoid mechanical weakening of fibre Remove lignin by way of crystallisation None of these Increase the cellulose content Avoid mechanical weakening of fibre ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process. Sulphite Neutral sulphite semi-chemical Mechanical Sulphate/kraft Sulphite Neutral sulphite semi-chemical Mechanical Sulphate/kraft ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C. -196 -103 -53 -183 -196 -103 -53 -183 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process White phosphorous is stored under water, because It is unstable It does not react with water Its kindling temperature in dry air is very low It is poisonous It is unstable It does not react with water Its kindling temperature in dry air is very low It is poisonous ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reaction of calcium carbide with water produces a gas, which is used For metal cutting/welding Neither A nor B As an illuminant Both A & B For metal cutting/welding Neither A nor B As an illuminant Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main product of high temperature carbonisation of coal is Tar Ammonia Coke Phenol Tar Ammonia Coke Phenol ANSWER DOWNLOAD EXAMIANS APP
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