Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. 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 Fixed charges initially Running cost of cooling water for condenser ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8"). Three fourth Equal to Half 1.5 times Three fourth Equal to Half 1.5 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shortest distance between two tubes is Called tube clearance None of these More in case of triangular pitch as compared to square pitch of tube layout Called tube pitch Called tube clearance None of these More in case of triangular pitch as compared to square pitch of tube layout Called tube pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is < 4 : 1 for gas-gas exchangers 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger Both B & C < 4 : 1 for gas-gas exchangers 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cylinderical shell thickness of rotary drier is generally __________ mm. 43990 18-22 43864 44180 43990 18-22 43864 44180 ANSWER DOWNLOAD EXAMIANS APP
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