Q. For an ideal plug flow reactor, the value of Peclet number is

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Q. If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is

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Q. The experimentally determined overall order of the reaction, A + B → C + D, is two. Then the

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Q. In a continuous flow stirred tank reactor, the composition of the exit stream

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Q. 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.

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Q. The energy balance equation over a tubular reactor under transient conditions is

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Q. The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called

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Q. The response curve for a step input signal from a reactor is called C-curve. The variance of C-curve in a 'tanks in series model' comprising of 'm' tanks is equal to

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Q. The eddy diffusivity for a liquid in plug flow must be

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Q. For multiple reactions, the flow pattern within the vessel affects the

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Q. An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is

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Q. Equilibrium of a chemical reaction as viewed by kinetics is a __________ state.

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Q. The conversion in a mixed reactor/accomplishing a reaction A → 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

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Q. The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor.

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Q. A space time of 3 hours for a flow reactor means that

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Q. Which of the following factors control the deactivation of a porous catalyst pellet ?

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Q. For the reaction, A + B → 2B + C,

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Q. Pick out the wrong statement.

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Q. In a reversible reaction, a catalyst increases the rate of forward reaction

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Q. Maximum equilibrium conversion for endothermic reaction is obtained at the __________ temperature.

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