Chemical Reaction Engineering
The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

2
3
0.5
1

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Chemical Reaction Engineering
For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a

Batch reactor is preferred over a single CSTR for high yield
Tubular reactor is preferred over a single CSTR for high yield
Single CSTR is the most suitable
Both A and B

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Chemical Reaction Engineering
A trickle bed reactor is the one, which

Processes three reactants with same flow rate
Employs all the three phases (i.e.. .solid, liquid and gas)
Processes three reactants at different flow rates
Has altogether three streams either entering or leaving

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