1. Choose the right one. Explain short. The unsteady state energy balance for a well-mixed reaction volume is shown below. If the reactants are very viscous can we neglect Ws? / = ( 0( 0 ) + [()]()) / ( ) a. Yes, neglect Ws b. No, Ws may be large

2. Choose the right one. Explain short. How can you increase the U value of a reactor ? a. Increase the heat transfer area b. Use a less conductive reactor wall material c. Improve the mixing of the reaction fluid d. Operate in semi batch mode

3. Choose the right one. Explain short. How can you increase the U value of a reactor ? a. Increase the heat exchanger area b. Use a less conductive material to separate the reactor from the heat transfer fluid c. Use a more conductive reactor wall material d. Operate in semi batch mode

4.Choose the right one. Explain short. Operating with a large temperature difference between the reactor and the heat transfer fluid can offer what advantage? a. It increases mixing b. It reduces the fouling of equipment c. It increases selectivity d. It increases the rate of heat transfer

5. Choose the right one. Explain short. As a safety precaution, when designing a reactor cooling system, the maximum rate of heat removal should be at least equal to a. The normal operation rate of heat generation b. The heat that would be generated at the adiabatic temperature rise temperature c. The heat that would be generated at the temperature corresponding to the adiabatic temperature rise and the reactor was filled to 100% of its volume d. It doesnt matter, in an emergency you can just turn off the feed stream