Chemical Reaction Engineering Promoter. Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Initiates a chemical reaction and is a catalyst by itself Atlers the position of equilibrium in a reversible reaction All of these Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Initiates a chemical reaction and is a catalyst by itself Atlers the position of equilibrium in a reversible reaction All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following curves shows the effect of temperature on the extent of gas-solid adsorption at a given pressure? Adsorption isobar None of these Freundlich adsorption isotherm Langmuir adsorption isotherm Adsorption isobar None of these Freundlich adsorption isotherm Langmuir adsorption isotherm ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is ∞ 1 > 1 ∞ 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors. Both conversion as well as concentration are same Conversion in both will be the same but concentrations will be different None of these Both the conversion as well as concentrations will be different Both conversion as well as concentration are same Conversion in both will be the same but concentrations will be different None of these Both the conversion as well as concentrations will be different ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photo-chemical reactions occur in presence of Darkness Sunlight Monochromatic radiation only Solid catalysts Darkness Sunlight Monochromatic radiation only Solid catalysts ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fluidised bed reactor is characterised by Uniformity of temperature Absence of continuous catalyst regeneration facility Comparatively smaller equipment Very small pressure drop Uniformity of temperature Absence of continuous catalyst regeneration facility Comparatively smaller equipment Very small pressure drop ANSWER DOWNLOAD EXAMIANS APP
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