Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 80 1 8 180 80 1 8 180 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 4(0.86p² - πd²/4)/πd (p² - πd²/4)/πd 4(0.86p² - πd²)/πd (4p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd (p² - πd²/4)/πd 4(0.86p² - πd²)/πd (4p² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is used to set the diameter of the distillation column? Static submergence Length of straight rectangular weir on cross-flow tray Allowable vapour velocity Number of theorectical plates Static submergence Length of straight rectangular weir on cross-flow tray Allowable vapour velocity Number of theorectical plates ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers < 4 : 1 for gas-gas exchangers Both B & C 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers < 4 : 1 for gas-gas exchangers Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A rivetted joint does not fail by __________ of rivets. Tearing of the plate across a row Tearing Shearing None of these Tearing of the plate across a row Tearing Shearing None of these 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 . dt/2)/ph (ph - dt)/ph (ph - dh)/dh (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/dh (ph - dh)/ph ANSWER DOWNLOAD EXAMIANS APP
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