Question: Which of the following fixes the volume of a batch reactor for a particular conversion and production rate?
A.Operating conditions (e.g. pressure and temperature)
B.Rate constant
C.Density of mixture
D.None of these
Answer: Option C

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Question 1. The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line?
  1.    XA Vs . τ
  2.    XA Vs ln τ
  3.    XA/(1 - XA)Vs τ
  4.    XA(1 - XA)Vs τ
Answer: Option A
Question 2. The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt
  1.    At the inlet
  2.    At the outlet
  3.    In the reactor
  4.    Averaged over the inlet and outlet
Answer: Option B
Question 3. The reactions with low activation energy are
  1.    Always spantaneous
  2.    Slow
  3.    Fast
  4.    Non-spontaneous
Answer: Option C
Question 4. The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction?
  1.    0.5
  2.    1
  3.    0
  4.    2
Answer: Option B
Question 5. Sometimes, batch process is preferred over continuous process, when the product
  1.    Quality & yield can not be achieved in continuous processes, because of long residence time
  2.    Sales demand is fluctuating
  3.    Both A & B
  4.    Neither A nor B
Answer: Option C
Question 6. For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.
  1.    Fixed
  2.    Fluidised bed reactor followed by a fixed
  3.    Fixed bed reactor followed by a fluidised
  4.    Fluidised
Answer: Option B

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