Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 2.2 to 2.6 1.6 to 2 1.1 to 1.5 2.7 to 3 2.2 to 2.6 1.6 to 2 1.1 to 1.5 2.7 to 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for Relieving excess pressure Creating turbulence Enhancing mixing rate Avoiding vortex formation Relieving excess pressure Creating turbulence Enhancing mixing rate Avoiding vortex formation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm. Half Three fourth Equal to One fourth Half Three fourth Equal to One fourth ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter Remain unaffected Increases None of these Decreases Remain unaffected Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the None of these Flooding limit of the column Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Maximum permissible vapour velocity None of these Flooding limit of the column Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Maximum permissible vapour velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law. No None of these Negative Positive No None of these Negative Positive ANSWER DOWNLOAD EXAMIANS APP
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