Q. The dispersion number of perfect mixed flow is

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Q. An irreversible aqueous phase reaction, A + B → P, is carried out in an adiabatic mixed flow reactor. A feed containing 4 kmole/m³ of each A and B enters the reactor at 8 m³ /hr. If the temperature of the exit stream is never to exceed 390 K, what is the maximum inlet feed temperature allowed?

Data:
Heat of reaction = - 50 kJ/mole
Density of the reacting mixture = 1000 kg/m³
Specific heat of reacting mixture = 2 kJ/kg.K

The above data can be assumed to be independent of temperature and composition.

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Q. For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rᴀ₀ is invariant with total pressure. The rate controlling step is

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Q. Half life period of a first order irreversible reaction A → B is

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Q. Which of the following fixes the volume of a batch reactor for a particular conversion and production rate ?

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Q. Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes.

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Q. With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

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Q. In case of calcination of limestone, CaCO₃CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂.

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Q. The rate of a homogeneous reaction is a function of

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Q. In the fluid catalytic cracker (FCC), the cracking reaction is __________ (A) and the regeneration is___(B) __________

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Q. Pick out the correct statement.

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Q. Pick out the wrong statement.

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Q. Pick out the wrong statement

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Q. The energy of activation of a chemical reaction

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Q. Chemical kinetics can predict the __________ of a chemical reaction.

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Q. Oil is hydrogenated using nickel catalyst in a __________ reactor.

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Q. The performance equations for constant density systems are identical for

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Q. Reaction rate of a first order reaction, which is half completed in 23 minutes will be

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Q. Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor ?

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Q. The reactions with low activation energy are

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