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 If sufficient slot area is not provided, the gas may pass through the skirt clearance Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up None of these The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles If sufficient slot area is not provided, the gas may pass through the skirt clearance Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms. 15 20 2.5 7.5 15 20 2.5 7.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Is economical in operation Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is D2/(d1 + d2) (d1 + d2)/d2 D1/(d1 + d2) (d1 + d2)/d1 D2/(d1 + d2) (d1 + d2)/d2 D1/(d1 + d2) (d1 + d2)/d1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 5 to 10 10 to 15 2.5 to 4.0 0.5 to 1.5 5 to 10 10 to 15 2.5 to 4.0 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for Increasing pressure drop Fixing the tubes Creating turbulence Reducing scale deposition Increasing pressure drop Fixing the tubes Creating turbulence Reducing scale deposition ANSWER DOWNLOAD EXAMIANS APP
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