A.that every two hours one reactor volume of feed at specified conditions is being treated by the reactor
B.that two reactor volumes of feed at specified conditions are bing fed into the reactor per hour
C.that the actual reactor volume is double that of the optimum reactor volume
D.that one-half reactor volume of feed at specified conditions are being fed into the reactor.
A.fourth nation of the world
B.fifth nation of the world
C.sixth nation of the world
D.seventh nation of the world