Related Questions

An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time.
A Increase
B Increase exponentially
C Decrease
D Remain unchanged
Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion.
A Decrease
B Increase
C No change
D Either A or B, depends on the type of reaction
A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors.
A Both conversion as well as concentration are same
B Conversion in both will be the same but concentrations will be different
C Both the conversion as well as concentrations will be different
D None of these
In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is
A More
B Less
C Same
D Either A or B, depends on other factors
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
With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will
A Increase
B Decrease
C Remain same
D Data in insufficient; can't be predicted
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
A first order reaction requires two equal sized CSTR. The conversion is
A Less when they are connected in series
B More when they are connected in series
C More when they are connected in parallel
D Same whether they are connected in series or in parallel
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 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

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