Chemical Reaction Engineering A plug-flow reactor is characterised by Constant composition and temperature of reaction mixture Presence of lateral mixing Presence of axial mixing High capacity Constant composition and temperature of reaction mixture Presence of lateral mixing Presence of axial mixing High capacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will Decrease Data in insufficient; can't be predicted Remain same Increase Decrease Data in insufficient; can't be predicted Remain same Increase 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) L√(K/D1) 1/(L√(K/D1)) ∞ 1 L√(K/D1) 1/(L√(K/D1)) ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction __________ free energy change in the reaction. Increases Decreases Neither A nor B Either A or B; depends on the type of catalyst Increases Decreases Neither A nor B Either A or B; depends on the type of catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The units of frequency factor in Arhenious equation Are the same as those of the rate constant Depend on the order of the reaction Depend on temperature, pressure etc. of the reaction Are cycles per unit time Are the same as those of the rate constant Depend on the order of the reaction Depend on temperature, pressure etc. of the reaction Are cycles per unit time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space velocity of 5 hr⁻¹ means that After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour A fixed conversion of a given batch of feed takes 5 hours Cent per cent conversion can be achieved in at least 5 hours After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour A fixed conversion of a given batch of feed takes 5 hours Cent per cent conversion can be achieved in at least 5 hours ANSWER DOWNLOAD EXAMIANS APP
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