Process Equipment and Plant Design In the design of a shell and tube heat exchanger, the corrosion allowance For internal cover and tube sheet is provided on both the sides All of these For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For internal cover and tube sheet is provided on both the sides All of these For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate. 4 2 1/2 8 4 2 1/2 8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Flanges are connected to pipes by Screwing All of these Brazing Welding Screwing All of these Brazing Welding ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity. Both A & B Neither A nor B Heat transfer co-efficient is proportional to 0.8th power Pressure drop is proportional to the square Both A & B Neither A nor B Heat transfer co-efficient is proportional to 0.8th power Pressure drop is proportional to the square ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap tray is the most commonly used tray in large distillation column, because It incurs less pressure drop as compared to any other try designed for the same duty None of these Of its flexibility and nearly constant efficiency under varying conditions of operation It eliminates the foaming and entrain-ment tendency during operation It incurs less pressure drop as compared to any other try designed for the same duty None of these Of its flexibility and nearly constant efficiency under varying conditions of operation It eliminates the foaming and entrain-ment tendency during operation 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"). Equal to Three fourth Half 1.5 times Equal to Three fourth Half 1.5 times ANSWER DOWNLOAD EXAMIANS APP
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