Chemical Reaction Engineering For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor. Fluidised Fixed Fluidised bed reactor followed by a fixed Fixed bed reactor followed by a fluidised Fluidised Fixed Fluidised bed reactor followed by a fixed Fixed bed reactor followed by a fluidised ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the reversible reaction A ⇋ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium? 0.152 0.338 0.253 0.637 0.152 0.338 0.253 0.637 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃. Remains unchanged Unpredictable from the data Decreases Increases Remains unchanged Unpredictable from the data Decreases Increases 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.) None of these 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) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pollutant P degrades according to first order kinetics. An aqueous stream containing P at 2 kmole/m³ and volumetric flow rate 1m³ /h requires a mixed flow reactor of volume V to bring down the pollutant level to 0.5 kmole/m³ . The inlet concentration of the pollutant is now doubled and the volumetric flow rate is tripled. If the pollutant level is to be brought down to the same level of 0.5 kmole/m³ , the volume of the mixed flow reactor should be increased by a factor of 3 6 7 44015 3 6 7 44015 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From collison theory, the reaction rate constant is proportional to Tm.exp(- E/RT) Exp(- E/RT) Exp(- E/2RT) √T Tm.exp(- E/RT) Exp(- E/RT) Exp(- E/2RT) √T ANSWER DOWNLOAD EXAMIANS APP
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