Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 34 6 12 18 34 6 12 18 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Counter-current heat transfer systems Heat transfer between corrosive fluids Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Counter-current heat transfer systems Heat transfer between corrosive fluids ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The necessary wall thickness for a metallic storage vessel is a function of the Ultimate tensile strength (or yield point) of the material and operating temperature All of these Diameter of the vessel Operating pressure and welding/joint efficiency Ultimate tensile strength (or yield point) of the material and operating temperature All of these Diameter of the vessel Operating pressure and welding/joint efficiency ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 17.5 12.5 5 2.5 17.5 12.5 5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. One-fourth of 2.5 times Less than 1.25-1.50 times One-fourth of 2.5 times Less than 1.25-1.50 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be __________ times. About 9 Considerably less than 9 About 3 Considerably more than 9 About 9 Considerably less than 9 About 3 Considerably more than 9 ANSWER DOWNLOAD EXAMIANS APP