Related Questions

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
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
An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will
A Be more in CSTR than in PFR
B Be more in PFR than in CSTR
C Be same in both cases
D Depend on the temperature
For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor.
A Stirred tank
B Tubular flow
C Batch
D Fixed bed
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
The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is
A 0
B 1
C 1.5
D 2
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
A stirred tank reactor compared to tubular-flow reactor provides
A More uniform operating conditions
B Permits operation at the optimum temperature for a long reaction time
C Higher overall selectivity for a first order consecutive reaction
D All of the above
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always
A 1
B >1
C Equal to the order of reaction
In an ideal tubular-flow reactor
A There is no mixing in longitudinal direction
B Mixing takes place in radial direction
C There is a uniform velocity across the radius
D All of the above

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