Chemical Reaction Engineering The eddy diffusivity for a liquid in plug flow must be ∞ 1 Between 0 and 1 0 ∞ 1 Between 0 and 1 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is Either A or B, depends on other factors Same Less More Either A or B, depends on other factors Same Less More ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is 0 1.5 2 1 0 1.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is used for calcination of limestone and dolomite in industrial practice? None of these Moving bed reactor Fluidised bed reactor Fixed bed reactor None of these Moving bed reactor Fluidised bed reactor Fixed bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For all positive reaction orders for a particular duty, Density variation during reaction affects design Mixed reactor is always larger than the plug-flow reactor Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Reactor size is independent of the type of flow Density variation during reaction affects design Mixed reactor is always larger than the plug-flow reactor Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Reactor size is independent of the type of flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Insensitive to temperature changes Mostly irreversible Highly temperature sensitive Always irreversible Insensitive to temperature changes Mostly irreversible Highly temperature sensitive Always irreversible ANSWER DOWNLOAD EXAMIANS APP
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