Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because 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 CaO is not dissociated ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photo-chemical reactions occur in presence of Darkness Solid catalysts Monochromatic radiation only Sunlight Darkness Solid catalysts Monochromatic radiation only Sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant K of a chemical reaction depends on Pressure only Ratio of reactants Temperature and pressure Temperature only Pressure only Ratio of reactants Temperature and pressure Temperature only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) ∞ 1/(L√(K/D1)) 1 L√(K/D1) ∞ 1/(L√(K/D1)) 1 L√(K/D1) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by a base is catalysed by all substances which have a tendency to Gain an electron Gain a proton Lose a proton None of these Gain an electron Gain a proton Lose a proton None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor None of these The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor None of these ANSWER DOWNLOAD EXAMIANS APP
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