Chemical Reaction Engineering Which of the following is used for calcination of limestone and dolomite in industrial practice? None of these Fixed bed reactor Moving bed reactor Fluidised bed reactor None of these Fixed bed reactor Moving bed reactor Fluidised bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 8 16 4 2 8 16 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half-life period for a first order reaction is __________ the initial concentration of the reactant. Directly proportional to Independent of None of these Inversely proportional to Directly proportional to Independent of None of these Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The value of 'n' for a chemical reaction A → B, whose reaction rate is → CAn, will be __________ if the rate of the reaction increases by a factor of 8, when the concentration of is doubled. 2 3 1 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. Data insufficient; can't be predicted Less than More than Same as Data insufficient; can't be predicted Less than More than Same as ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion) Increases Remains same Decreases Increases linearly Increases Remains same Decreases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
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