Process Equipment and Plant Design Back-trapping in a distillation column results due to Low reflux ratio High gas velocity Excessive liquid gradient over the tray Low gas velocity Low reflux ratio High gas velocity Excessive liquid gradient over the tray Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 10 metres 0.5 metre 6 metres 2.5 metres 10 metres 0.5 metre 6 metres 2.5 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design 1.2 to 3.8 cms is the value of the Skirt clearance for bubble caps Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) All of these Downcomer liquid seal in case of a balanced tray design Skirt clearance for bubble caps Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) All of these Downcomer liquid seal in case of a balanced tray design ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Power required for agitation depends upon the Agitator type & speed of agitation Size of agitator & the tank All of these Height & properties of the liquid Agitator type & speed of agitation Size of agitator & the tank All of these Height & properties of the liquid 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 5000 10000 1000 3000 5000 10000 1000 3000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 6 to 12 3 to 5 2 to 3 4 to 8 6 to 12 3 to 5 2 to 3 4 to 8 ANSWER DOWNLOAD EXAMIANS APP
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