Process Equipment and Plant Design Back-trapping in a distillation column results due to Low reflux ratio High gas velocity Low gas velocity Excessive liquid gradient over the tray Low reflux ratio High gas velocity Low gas velocity Excessive liquid gradient over the tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap plate column is Used only for distillation, not for absorption A differential stage contactor A finite stage contactor A continuous contactor Used only for distillation, not for absorption A differential stage contactor A finite stage contactor A continuous contactor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? Murphree plate efficiency Point efficiency None of these Overall plate efficiency Murphree plate efficiency Point efficiency None of these Overall plate efficiency ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shortest distance between two tubes is Called tube clearance More in case of triangular pitch as compared to square pitch of tube layout Called tube pitch None of these Called tube clearance More in case of triangular pitch as compared to square pitch of tube layout Called tube pitch None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 1000 3000 5000 10000 1000 3000 5000 10000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ tray arrangement is recommended for distillation column having diameter upto 4 ft. Cross flow Split flow Radial flow Cascade Cross flow Split flow Radial flow Cascade ANSWER DOWNLOAD EXAMIANS APP