Chemical Reaction Engineering A catalyst inhibitor Is added in small quantity during the catalyst manufacture itself May be useful for suppressing undesirable side reactions Lessens its selectivity All of these Is added in small quantity during the catalyst manufacture itself May be useful for suppressing undesirable side reactions Lessens its selectivity All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes. 6 12 24 18 6 12 24 18 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method can be used to determine the __________ of a porous catalyst. All of these Pore volume Solid density Surface area All of these Pore volume Solid density Surface area ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. Zero First Second None of these Zero First Second None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For reaction, P + 2 → 3R, molar rate of consumption of P is Double of that of Q 2/3rd of that of Q Same as that of Q Half of that of Q Double of that of Q 2/3rd of that of Q Same as that of Q Half of that of Q 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.) Reduced time (vt/V) None of these Thiele modulus (L√(k/D1) Reactor dispersion number (D/vL) Reduced time (vt/V) None of these Thiele modulus (L√(k/D1) Reactor dispersion number (D/vL) ANSWER DOWNLOAD EXAMIANS APP