Process Equipment and Plant Design Back-trapping in a distillation column results due to Low reflux ratio Excessive liquid gradient over the tray High gas velocity Low gas velocity Low reflux ratio Excessive liquid gradient over the tray High gas velocity Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the Smaller reactor should come first Larger reactor should come first None of these Equal sized reactors are the best Smaller reactor should come first Larger reactor should come first None of these Equal sized reactors are the best ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law. None of these Negative Positive No None of these Negative Positive No ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability. 10 15 5 2 10 15 5 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Lessig rings All of these Raschig rings Cross-partition rings Lessig rings All of these Raschig rings Cross-partition rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The stress developed in a material without any permanent set is called the Yield stress Ultimate stress Elastic limit Breaking stress Yield stress Ultimate stress Elastic limit Breaking stress ANSWER DOWNLOAD EXAMIANS APP