Related Questions

With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion)
A Increases
B Decreases
C Remains same
D Increases linearly
For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is
A 1
B >1
C ∞
D ≥1
The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is
A ∞
B 0
C 1
D > 1
The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor.
A Greater than
B Equal to
C Smaller than
D Unpredictable from the data
For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single
A CSTR of volume V
B PFR of volume V
C CSTR of volume $$\frac{{\text{V}}}{{\text{X}}}$$
D PFR of volume $$\frac{{\text{V}}}{{\text{X}}}$$
The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the
A Equal sized reactors are the best
B Smaller reactor should come first
C Larger reactor should come first
D None of these
An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction
A Is maximum at the inlet of the reactor
B Goes through a maximum along the length of the reactor
C Goes through a minimum along the length of the reactor
D Is maximum at the exit of the reactor
One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect
A The product composition but not the fraction vaporised
B The product composition as well as the fraction vaporised
C The fraction vaporised but not the product composition
D Neither the product composition nor the fraction vaporised
A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length
A Decreases
B Increases
C Is at the highest allowable temperature throughout
D First increases and then decreases
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
A Greater degree of separation with a fixed number of trays
B Increased reboiler load
C Increased reflux ratio
D None of these

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