Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Fixed charges initially Running cost of cooling water for condenser Running cost of steam for reboiler Vapour & liquid load both Fixed charges initially Running cost of cooling water for condenser Running cost of steam for reboiler Vapour & liquid load both ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design 1.2 to 3.8 cms is the value of the Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) Downcomer liquid seal in case of a balanced tray design Skirt clearance for bubble caps All of these Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) Downcomer liquid seal in case of a balanced tray design Skirt clearance for bubble caps All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design for couplings and unions would be 60 200 350 Negligible 60 200 350 Negligible 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. 0.5 to 1.5 10 to 15 2.5 to 4.0 5 to 10 0.5 to 1.5 10 to 15 2.5 to 4.0 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 20 5 35 55 20 5 35 55 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method All of these Is more accurate in finding the number of equilibrium stages Accounts for the enthalpy changes in the process Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method All of these Is more accurate in finding the number of equilibrium stages Accounts for the enthalpy changes in the process Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method ANSWER DOWNLOAD EXAMIANS APP
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