Chemical Reaction Engineering Space time equals the mean residence time For CSTR For large diameter tubular reactor When the density of the reaction mixture is constant For narrow diameter tubular reactor For CSTR For large diameter tubular reactor When the density of the reaction mixture is constant For narrow diameter tubular reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have High CA, high CB High CA, low CB Low CA, high CB Low CA, low CB High CA, high CB High CA, low CB Low CA, high CB Low CA, low CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions with low activation energy are Always spantaneous Slow Fast Non-spontaneous Always spantaneous Slow Fast Non-spontaneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to 0.5 1 0.1 0.5 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a first order irreversible reaction A → B is Ln 2/k Ln k/2 K/2 Ln 0.5/k Ln 2/k Ln k/2 K/2 Ln 0.5/k ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is PFR in series Backmix reactor Series of CSTR Plug flow reactor PFR in series Backmix reactor Series of CSTR Plug flow reactor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS