Chemical Reaction Engineering Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Both B and C Very slow Photochemical Very fast Both B and C Very slow Photochemical Very fast ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion for a first order liquid phase reaction. A → B in a CSTR is 50%. If another CSTR of the same volume is connected in series, then the % conversion at the exit of the second reactor will be 90 75 60 100 90 75 60 100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the rate constant obeying Arhenious equation Decreases exponentially Can either increase or decrease ; depends on the frequency factor Increases Decreases Decreases exponentially Can either increase or decrease ; depends on the frequency factor Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase zero order irreversible reaction A → B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min⁻¹ . What will be the conversion for a PFR with a space velocity of 0.2 min⁻¹? Assume that all the other operating conditions are the same for CSTR and PFR. 0.6 0.15 0.9 0.3 0.6 0.15 0.9 0.3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of reaction. Equal to Equal to or more than Less than More than Equal to Equal to or more than Less than More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A back mix reactor is Suitable for gas phase reactions Same as ideal stirred tank reactor Same as plug flow reactor (PFR) Ideal at very low conversion Suitable for gas phase reactions Same as ideal stirred tank reactor Same as plug flow reactor (PFR) Ideal at very low conversion ANSWER DOWNLOAD EXAMIANS APP