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 One fourth Three fourth Equal to Half One fourth Three fourth Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap tray is the most commonly used tray in large distillation column, because None of these Of its flexibility and nearly constant efficiency under varying conditions of operation It incurs less pressure drop as compared to any other try designed for the same duty It eliminates the foaming and entrain-ment tendency during operation None of these Of its flexibility and nearly constant efficiency under varying conditions of operation It incurs less pressure drop as compared to any other try designed for the same duty It eliminates the foaming and entrain-ment tendency during operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 18 6 34 12 18 6 34 12 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these Flooding limit of the column Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these Flooding limit of the column ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cylindrical pressure vessels in horizontal condition is generally supported on a __________ support. Lug Saddle Skirt Guy wire Lug Saddle Skirt Guy wire ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs. Flat Fixed Floating Conical Flat Fixed Floating Conical ANSWER DOWNLOAD EXAMIANS APP
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