Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 2.5 1.75 1.25 3.5 2.5 1.75 1.25 3.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? 6.5 cms Equal to tube O.D Equal to tube I.D 6.5 mm 6.5 cms Equal to tube O.D Equal to tube I.D 6.5 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from 1 to 1.5 1.5 to 2 2 to 2.5 0.5 to 1 1 to 1.5 1.5 to 2 2 to 2.5 0.5 to 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 12.5 5 2.5 17.5 12.5 5 2.5 17.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Increase the residence time Decrease the pressure drop Improve the flow condition Facilitate handling of large flow rate of liquid Increase the residence time Decrease the pressure drop Improve the flow condition Facilitate handling of large flow rate of liquid ANSWER DOWNLOAD EXAMIANS APP
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 For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm All of these 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 For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm All of these Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc ANSWER DOWNLOAD EXAMIANS APP