Chemical Reaction Engineering The role of a catalyst in a chemical reaction is to change the Heat of reaction Equilibrium constant Final products Activation energy Heat of reaction Equilibrium constant Final products Activation energy 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 stirred tank (v = 5 litres) Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The excess energy of the reactants required to dissociate into products is known as the __________ energy. Activation Thermal Threshold Binding Activation Thermal Threshold Binding ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant K of a chemical reaction depends on Temperature only Temperature and pressure Pressure only Ratio of reactants Temperature only Temperature and pressure Pressure only Ratio of reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. High labour and handling cost All of these High shutdown time requirement for emptying, cleaning and refilling Poor product quality control High labour and handling cost All of these High shutdown time requirement for emptying, cleaning and refilling Poor product quality control ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) 1 L√(K/D1) ∞ 1/(L√(K/D1)) 1 L√(K/D1) ∞ 1/(L√(K/D1)) ANSWER DOWNLOAD EXAMIANS APP