Chemical Reaction Engineering Catalyst carriers Inhibit catalyst poisoning Provide large surface area with a small amount of active material Increase the activity of a catalyst Have very high selectivity Inhibit catalyst poisoning Provide large surface area with a small amount of active material Increase the activity of a catalyst Have very high selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Molecularity of an elementary reaction, P + Q → R + S is 1 3 2 4 1 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single stirred tank (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single stirred tank (v = 5 litres) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Surface area Porosity Pore volume Both B & C Surface area Porosity Pore volume Both B & C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The energy of activation of a chemical reaction Both B and C Varies as fifth power of the temperature Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure Both B and C Varies as fifth power of the temperature Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Reactions with high activation energy are Always reversible Very temperature sensitive Temperature insensitive Always irreversible Always reversible Very temperature sensitive Temperature insensitive Always irreversible ANSWER DOWNLOAD EXAMIANS APP
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