Chemical Reaction Engineering For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor. Batch Stirred tank Fixed bed Tubular flow Batch Stirred tank Fixed bed Tubular flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by All of these Small pore diameter An active surface of the catalyst Large catalyst particle size All of these Small pore diameter An active surface of the catalyst Large catalyst particle size ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to D D2 D1.5 √d D D2 D1.5 √d ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature? Diameter of the reactor Time None of these Useful volume of the tank Diameter of the reactor Time None of these Useful volume of the tank ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Independent of Inversely proportional to Proportional to the square of Proportional to Independent of Inversely proportional to Proportional to the square of Proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of forward reaction, at chemical equilibrium is____the rate of backward reaction. Less than Equal to More than Either B or C Less than Equal to More than Either B or C ANSWER DOWNLOAD EXAMIANS APP