Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Two stirred tank (each of 2.5 litres) in series Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A rise in temperature Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate All of these Does not affect a catalysed reaction Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate All of these Does not affect a catalysed reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a unit of reaction rate? Moles for med/(surface of catalyst) (time) None of these Mole formed/volume of catalyst) (time) Moles formed/volume of reactor) (time) Moles for med/(surface of catalyst) (time) None of these Mole formed/volume of catalyst) (time) Moles formed/volume of reactor) (time) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A plug-flow reactor is characterised by High capacity Constant composition and temperature of reaction mixture Presence of lateral mixing Presence of axial mixing High capacity Constant composition and temperature of reaction mixture Presence of lateral mixing Presence of axial mixing ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The fractional volume change of the system for the isothermal gas phase reaction, A 3B , between no conversion and complete conversion is 1 3 2 0.5 1 3 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction None of these Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction None of these ANSWER DOWNLOAD EXAMIANS APP
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