Process Equipment and Plant Design In a shell and tube heat exchanger, the clearance of the tube is generally Not less than one-fourth of the tube diameter or 3/16" Equal to the tube diameter More in case of triangular pitch as compared to the square pitch tube layout More than the tube diameter Not less than one-fourth of the tube diameter or 3/16" Equal to the tube diameter More in case of triangular pitch as compared to the square pitch tube layout More than the tube diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Low reflux ratio High gas velocity Excessive liquid gradient over the tray Low gas velocity Low reflux ratio High gas velocity Excessive liquid gradient over the tray Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Vapour & liquid load both Running cost of cooling water for condenser Running cost of steam for reboiler Fixed charges initially Vapour & liquid load both Running cost of cooling water for condenser Running cost of steam for reboiler Fixed charges initially ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter. 0.65 to 0.80 0.3 to 0.5 0.1 to 0.25 0.5 to 0.6 0.65 to 0.80 0.3 to 0.5 0.1 to 0.25 0.5 to 0.6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is About 0.33 times About 3 times Same Less About 0.33 times About 3 times Same Less ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from 44119 3.5-5.5 1.5-2.5 7.5-10.0 44119 3.5-5.5 1.5-2.5 7.5-10.0 ANSWER DOWNLOAD EXAMIANS APP
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