Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CaO is not dissociated Of high calcination temperature CO₂ escapes continuously CaO is more stable than CaCO₃ CaO is not dissociated Of high calcination temperature CO₂ escapes continuously CaO is more stable than CaCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sometimes, batch process is preferred over continuous process, when the product Neither A nor B Sales demand is fluctuating Both A & B Quality & yield can not be achieved in continuous processes, because of long residence time Neither A nor B Sales demand is fluctuating Both A & B Quality & yield can not be achieved in continuous processes, because of long residence time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂. No change Increase Decrease Unpredictable from the data No change Increase Decrease Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space time in flow reactor is Usually equal to the residence time Both A and B A measure of its capacity The reciprocal of the space velocity Usually equal to the residence time Both A and B A measure of its capacity The reciprocal of the space velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalyst in a first order chemical reaction changes the Heat of formation of the product Activation energy Heat of reaction Equilibrium constant Heat of formation of the product Activation energy Heat of reaction Equilibrium constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter is added to the catalyst to improve its Porosity Surface area Sensitivity None of these Porosity Surface area Sensitivity None of these ANSWER DOWNLOAD EXAMIANS APP