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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Q. Molecularity of an elementary reaction, P + Q → R + S is

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Q. Which of the following is not endothermic in nature ?

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Q. The space time is equivalent to the holding time in a steady state mixed reactor for

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Q. A trickle bed reactor is the one, which

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Q. What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction ?

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Q. The excess energy of the reactants required to dissociate into products is known as the __________ energy.

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Q. In a/an __________ vessel, the fluid enters and leaves following plug flow.

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Q. Shift conversion reaction

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Q. The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are

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Q. If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible.

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Q. Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the

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Q. The importance of diffusion in a catalyst are increased by

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Q. A back mix reactor is

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Q. Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?

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Q. The rate of the heterogenous catalytic reaction A(g) + B(g) → C(g) is given by
-rᴀ = k.Kᴀ.pᴀ.Pʙ/(1 + Kᴀ.Pᴀ + Kc.pc), where Kᴀ and Kc are the adsorption equilibrium constants.
The rate controlling step for this reaction is

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Q. In Langmuir treatment of adsorption,

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