Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 5 17.5 2.5 12.5 5 17.5 2.5 12.5 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. 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 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the 'tube pitch' is defined as the None of these O.D. of the tube for square pitch Shortest centre to centre distance between adjacent tubes Shortest distance between two adj acent tube holes None of these O.D. of the tube for square pitch Shortest centre to centre distance between adjacent tubes Shortest distance between two adj acent tube holes ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes) (D₂² - D₁²)/D₁² D₂ - D₁ None of these (D₂² - D₁²)/D₂² (D₂² - D₁²)/D₁² D₂ - D₁ None of these (D₂² - D₁²)/D₂² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a horizontal tube evaporator. Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres It is suitable for process, in which the final product is a liquor instead of solid Liquor flows inside the tube, while the steam is outside submerging the tube It is unsuitable for concentrating those liquids, which form a scale or deposit salt Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres It is suitable for process, in which the final product is a liquor instead of solid Liquor flows inside the tube, while the steam is outside submerging the tube It is unsuitable for concentrating those liquids, which form a scale or deposit salt ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ closure is the weakest enclosure for cylindrical vessels. Torispherical Elliptical Hemispherical Conical or flat plate Torispherical Elliptical Hemispherical Conical or flat plate ANSWER DOWNLOAD EXAMIANS APP
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