Related Questions

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
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
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 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
For a first order reaction carried out in a plug flow reactor, the space time is
A $$\frac{1}{{\text{K}}}\ln \frac{{{{\text{C}}_0}}}{{\text{C}}}$$
B $$\frac{1}{{\text{K}}}\ln \frac{{\text{C}}}{{{{\text{C}}_0}}}$$
C $${\text{K}}\ln \frac{{{{\text{C}}_0}}}{{\text{C}}}$$
D $${\text{K}}\ln \frac{{\text{C}}}{{{{\text{C}}_0}}}$$
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, 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
Generation X refers to people born roughly between 1965 and 1981 Employees of Generation X tend to be successful when they can carry out task independndy. This makes Generation X the most entrepreneurial generation in history. Which of the following statements is best supported by the paragraph?
A Employees of Generation X like to challenge the work attitudes of their bosses.
B Employees of Generation X tend to work in jobs that require risk-taking behavior.
C Employees of Generation X have a tendency to be self directed workers
D Employees of Generation X work harder than people form other generations
An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature.
A Is always equal to
B Is always greater than
C Is always less than
D May be greater or less than
In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be
A Greater than 1.0
B Less than 1.0
C Equal to zero
D Equal to 1.0

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