Chemical Reaction Engineering
BET apparatus

None of these
Is made entirely of stainless steel
Measures the catalyst surface area directly
Operates at very high pressure

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

None of these
Very low temperature should be used throughout the reaction
Very high temperature should be used throughout the reaction
Temperature should be high in the beginning and decreased towards the end of the reaction

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Chemical Reaction Engineering
A space time of 3 hours for a flow reactor means that

The time required to process one reactor volume of feed (measured at specified conditions) is 3 hours
Conversion is cent per cent after three hours
It takes three hours to dump the entire volume of the reactor with feed
Three reactor volumes of feed can be processed every hour

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