Chemical Reaction Engineering For a homogeneous reaction of nth order, the dimension of the rate constant is given by (concentration)n - 1/(time) (concentration)1 - n/(time) None of these L/(time)n (concentration)n - 1/(time) (concentration)1 - n/(time) None of these L/(time)n ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus Measures the catalyst surface area directly Is made entirely of stainless steel None of these Operates at very high pressure Measures the catalyst surface area directly Is made entirely of stainless steel None of these Operates at very high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be τ/0.693 2τ 0.5τ 0.693τ τ/0.693 2τ 0.5τ 0.693τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction increases by increasing the Pressure Temperature None of these Reactant's concentration Pressure Temperature None of these Reactant's concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a unit of reaction rate? Mole formed/volume of catalyst) (time) None of these Moles for med/(surface of catalyst) (time) Moles formed/volume of reactor) (time) Mole formed/volume of catalyst) (time) None of these Moles for med/(surface of catalyst) (time) Moles formed/volume of reactor) (time) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation? Langmuir None of these The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process There is no dynamic equilibrium between successive layer Langmuir None of these The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process There is no dynamic equilibrium between successive layer ANSWER DOWNLOAD EXAMIANS APP
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