Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the Small downcomer liquid seal Lower skirt clearance Liquid gradient on the tray Lower static submergence Small downcomer liquid seal Lower skirt clearance Liquid gradient on the tray Lower static submergence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thickness of the frame of a plate and frame filter as compared to that of plates is Same Either A or B More Less Same Either A or B More Less ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area) Sa = 1.5 Aa 1.2 Aa = 1.2 Sa Aa = 1.5 Sa Aa = Sa Sa = 1.5 Aa 1.2 Aa = 1.2 Sa Aa = 1.5 Sa Aa = Sa ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) 4 A/P A/P √A 4 P/A 4 A/P A/P √A 4 P/A ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of the distillation column. The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles None of these Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up If sufficient slot area is not provided, the gas may pass through the skirt clearance The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles None of these Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up If sufficient slot area is not provided, the gas may pass through the skirt clearance ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm. 20 10 5 30 20 10 5 30 ANSWER DOWNLOAD EXAMIANS APP