Process Equipment and Plant Design Floating head heat exchangers are used for the Heat transfer between corrosive fluids Counter-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Co-current heat transfer systems Heat transfer between corrosive fluids Counter-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Co-current heat transfer systems ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by (4p² - πd²/4)/πd (p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd 4(0.86p² - πd²)/πd (4p² - πd²/4)/πd (p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd 4(0.86p² - πd²)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bracket supports are the most suitable for supporting __________ vessels. Horizontal Thin shperical (e.g. Horton sphere) Thick walled vertical None of these Horizontal Thin shperical (e.g. Horton sphere) Thick walled vertical None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Skirt support is the most suitable for supporting __________ vessels. Small horizontal Large horizontal Tall vertical Thick walled Small horizontal Large horizontal Tall vertical Thick walled ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Weep holes provided in the plates of a distillation column Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid All of these Facilitate draining out liquid from a tray when the unit is not in operation Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid All of these Facilitate draining out liquid from a tray when the unit is not in operation ANSWER DOWNLOAD EXAMIANS APP
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 . dt/2)/ph (ph - dh)/dh (ph - dt)/ph (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dt)/ph ANSWER DOWNLOAD EXAMIANS APP
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