Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. > 0.5 ∞ 0 < 0.5 > 0.5 ∞ 0 < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature. Is always less than Is always greater than Is always equal to May be greater or less than Is always less than Is always greater than Is always equal to May be greater or less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a fluidised bed reactor, the most suitable/relevant model is a __________ model. Bubbling bed Tank in series Plug flow None of these Bubbling bed Tank in series Plug flow None of these 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.) Reactor dispersion number (D/vL) 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) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single stirred tank (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single stirred tank (v = 5 litres) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arrhenious equation represents graphically the variation between the __________ and temperature. Activation energy Rate of reaction Rate constant Frequency factor Activation energy Rate of reaction Rate constant Frequency factor ANSWER DOWNLOAD EXAMIANS APP
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