Related Questions

The space time is equivalent to the holding time in a steady state mixed reactor for
A Non-isothermal gas reaction
B Variable fluid density systems
C Constant fluid density systems
D Gas reactions with changing no. of moles
For a mixed flow reactor operating at steady state, the rate of reaction is given by
A $$\frac{{{{\text{F}}_{{{\text{A}}_{\text{0}}}}}}}{{\text{V}}} - \frac{{{\text{d}}{{\text{C}}_{\text{A}}}}}{{{\text{dt}}}}$$
B $$\frac{{{{\text{F}}_{{{\text{A}}_{\text{0}}}}}}}{{\text{V}}} + \frac{{{\text{d}}{{\text{C}}_{\text{A}}}}}{{{\text{dt}}}}$$
C $$\frac{{{{\text{F}}_{{{\text{A}}_{\text{0}}}}}}}{{\text{V}}} \cdot {{\text{X}}_{\text{A}}}$$
D $$ - \frac{{{\text{d}}{{\text{C}}_{\text{A}}}}}{{{\text{dt}}}}$$
In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.
A Semi-batch
B Tubular
C Batch
D Back-mix
The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an __________ law.
A Exponential
B Parabolic
C Linear
D Cubic
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
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 an ideal mixed flow reactor (CSTR), the exit age distribution E(t) is given by
A A dirac delta function
B A step function
C A ramp function
D None of the above
a chemial is mixed 30 ml mixed , 10 ml is acid , how much ml of acid must be mixed such that a 50/50 mixure of water and acid is attend if no additional water is added
A 20
B 10
C 40
D 30
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.
A Parabolic
B Hyperbolic
C Linear
D Logarithmic

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