Process Equipment and Plant Design Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs. Floating Flat Conical Fixed Floating Flat Conical Fixed ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. Equal to Twice 2 ft irrespective of (for column > 3 ft diameter) 0.6-0.8 times Equal to Twice 2 ft irrespective of (for column > 3 ft diameter) 0.6-0.8 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement about the design of seive plate column and the bubble cap column. Weir length for a bubble cap plate is the same as that for the seive plate Weir height for a bubble cap plate column is the same as that for a seive plate column The downcomer design and the residence time in the downcomer is almost same for seive plate and bubble cap columns Weir height in case of a bubble cap plate ranges from 50 to 150 mm and is higher than the seive plate Weir length for a bubble cap plate is the same as that for the seive plate Weir height for a bubble cap plate column is the same as that for a seive plate column The downcomer design and the residence time in the downcomer is almost same for seive plate and bubble cap columns Weir height in case of a bubble cap plate ranges from 50 to 150 mm and is higher than the seive plate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations. 3.5 to 7.0 44055 1.25 to 3.125 0.3 to 0.8 3.5 to 7.0 44055 1.25 to 3.125 0.3 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Both B & C Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Both B & C Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as Δp = G0.5 Δp = G Δp = G2 Δp = 1/G0.6 Δp = G0.5 Δp = G Δp = G2 Δp = 1/G0.6 ANSWER DOWNLOAD EXAMIANS APP
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