Process Equipment and Plant Design In a shell and tube heat exchanger, the clearance of the tube is generally More in case of triangular pitch as compared to the square pitch tube layout Not less than one-fourth of the tube diameter or 3/16" More than the tube diameter Equal to the tube diameter More in case of triangular pitch as compared to the square pitch tube layout Not less than one-fourth of the tube diameter or 3/16" More than the tube diameter Equal to the tube diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Disk type baffle Helical type baffle Flat plate extending across the wall Segmental baffle Disk type baffle Helical type baffle Flat plate extending across the wall Segmental baffle 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 mm Equal to tube I.D Equal to tube O.D 6.5 cms 6.5 mm Equal to tube I.D Equal to tube O.D 6.5 cms 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 1.5-2.5 3.5-5.5 7.5-10.0 44119 1.5-2.5 3.5-5.5 7.5-10.0 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the Liquid gradient on the tray Lower skirt clearance Lower static submergence Small downcomer liquid seal Liquid gradient on the tray Lower skirt clearance Lower static submergence Small downcomer liquid seal ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure? At the outer surface At the inner surface At the mid thickness of the cylindrical wall None of these At the outer surface At the inner surface At the mid thickness of the cylindrical wall None of these ANSWER DOWNLOAD EXAMIANS APP
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