Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dt)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm. 27 25 26 23 27 25 26 23 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/20th 1/30th 1/10th 1/50th 1/20th 1/30th 1/10th 1/50th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Counter-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Heat transfer between corrosive fluids Co-current heat transfer systems Counter-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Heat transfer between corrosive fluids Co-current heat transfer systems ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Movement of pipeline caused by thermal expansion is taken care by providing All of these Expansion joint Changes in its direction Change in the shape of pipeline All of these Expansion joint Changes in its direction Change in the shape of pipeline ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 1 180 8 80 1 180 8 80 ANSWER DOWNLOAD EXAMIANS APP