Chemical Reaction Engineering Rate determining step in a reaction consisting of a number of steps in series is the __________ step. Slowest Fastest Intermediate Data insufficient; can't be predicted Slowest Fastest Intermediate Data insufficient; can't be predicted 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. 16 8 4 2 16 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases. Decreases Unpredictable from the data Increases Remains unaffected Decreases Unpredictable from the data Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time. Decrease Increase exponentially Remain unchanged Increase Decrease Increase exponentially Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a/an __________ vessel, the fluid enters and leaves following plug flow. Close-opened Closed Open Open-closed Close-opened Closed Open Open-closed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a dimension-less group used in catalysis ? (where, D = dispersion co-efficient, cm² /sec.D1 = diffusion co-efficient; cm²/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm³/sec . V = volume, cm³.) Thiele modulus (L√(k/D1) Reduced time (vt/V) None of these Reactor dispersion number (D/vL) Thiele modulus (L√(k/D1) Reduced time (vt/V) None of these Reactor dispersion number (D/vL) ANSWER DOWNLOAD EXAMIANS APP
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