Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Logarithmically with time Exponentially with time Linearly with time Very abruptly towards the end of the reaction Logarithmically with time Exponentially with time Linearly with time Very abruptly towards the end of the reaction 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
Chemical Reaction Engineering Space time in flow reactor is Both A and B The reciprocal of the space velocity Usually equal to the residence time A measure of its capacity Both A and B The reciprocal of the space velocity Usually equal to the residence time A measure of its capacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal mixed flow reactor (CSTR), the exit age distribution E(t) is given by None of these A step function A dirac delta function A ramp function None of these A step function A dirac delta function A ramp function ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO₂ and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant? 1 0.95 0.2 0.75 1 0.95 0.2 0.75 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An imbalanced chemical reaction equation is against the law of Conservation of mass None of these Constant proportion Multiple proportion Conservation of mass None of these Constant proportion Multiple proportion ANSWER DOWNLOAD EXAMIANS APP
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