Chemical Reaction Engineering The half life period of a first order reaction is given by (where, K = rate constant. ) 0.693/K 2.5 K 1.5 K 6.93 K 0.693/K 2.5 K 1.5 K 6.93 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance. Diffusion through ash layer Either A, B or C Film diffusion Chemical reaction Diffusion through ash layer Either A, B or C Film diffusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal tubular-flow reactor There is a uniform velocity across the radius Mixing takes place in radial direction All of these There is no mixing in longitudinal direction There is a uniform velocity across the radius Mixing takes place in radial direction All of these There is no mixing in longitudinal direction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering As the chemical reaction proceeds, the rate of reaction Remains same Decreases May increase or decrease depending on the type of reaction Increases Remains same Decreases May increase or decrease depending on the type of reaction Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst promoter Improves the activity of a catalyst Itself has very high activity All of these Acts as a catalyst support Improves the activity of a catalyst Itself has very high activity All of these Acts as a catalyst support ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of __________ reactions, the reaction rate does not decrease appreciably as the reaction proceeds. Auto catalytic Catalytic Series Parallel Auto catalytic Catalytic Series Parallel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS