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 None of these First Second Zero None of these First Second ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion. Either A or B, depends on the type of reaction Decrease Increase No change Either A or B, depends on the type of reaction Decrease Increase No change ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The single parameter model proposed for describing non-ideal flow is the __________ model. Neither A nor B Tank in series Both A & B Dispersion Neither A nor B Tank in series Both A & B Dispersion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arhenious equation shows the variation of __________ with temperature. Energy of activation Frequency factor Reaction rate Rate constant Energy of activation Frequency factor Reaction rate Rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is used for calcination of limestone and dolomite in industrial practice? None of these Fluidised bed reactor Fixed bed reactor Moving bed reactor None of these Fluidised bed reactor Fixed bed reactor Moving bed reactor 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) Thiele modulus (L√(k/D1) Reactor dispersion number (D/vL) None of these Reduced time (vt/V) Thiele modulus (L√(k/D1) Reactor dispersion number (D/vL) None of these ANSWER DOWNLOAD EXAMIANS APP
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