Chemical Reaction Engineering
A space velocity of 5 hr⁻¹ means that

A fixed conversion of a given batch of feed takes 5 hours
After every 5 hours, reactor is being filled with the feed
Cent per cent conversion can be achieved in at least 5 hours
Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour

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Chemical Reaction Engineering
Batch process is preferred over continuous process, when the

All of these
Same equipment can not be used for several processes of the same nature
Product yields and quality can not be achieved in continuous process, because of long residence time
Sales demand of product is not steady

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Chemical Reaction Engineering
A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors.

None of these
Both the conversion as well as concentrations will be different
Conversion in both will be the same but concentrations will be different
Both conversion as well as concentration are same

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