Chemical Reaction Engineering The reaction in which the rate equation corresponds to a stoichiometric equation, is called a/an __________ reaction. Parallel Elementary Non-elementary Autokinetic Parallel Elementary Non-elementary Autokinetic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The use of space time is preferred over the mean residence time in the design of a/an Batch reactor CSTR Slurry reactor Ideal tubular-flow reactor Batch reactor CSTR Slurry reactor Ideal tubular-flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Linearly with time Very abruptly towards the end of the reaction Exponentially with time Logarithmically with time Linearly with time Very abruptly towards the end of the reaction Exponentially with time Logarithmically with time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for isothermal operation? Batch reactor Fixed bed reactor Back-mix reactor Plug-flow reactor Batch reactor Fixed bed reactor Back-mix reactor Plug-flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) Tan hT/T None of these Tan T/T Tan hT/tan T Tan hT/T None of these Tan T/T Tan hT/tan T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Increased temperature reduces the activation energy Collision frequency increases Fraction of molecules having threshold energy increases Value of threshold energy decreases Increased temperature reduces the activation energy Collision frequency increases Fraction of molecules having threshold energy increases Value of threshold energy decreases ANSWER DOWNLOAD EXAMIANS APP
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