Process Equipment and Plant Design The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability. 15 10 5 2 15 10 5 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to I.D. of the shell 40% of the I.D. of the shell 5 cms 25 cms I.D. of the shell 40% of the I.D. of the shell 5 cms 25 cms ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the All of these Greater cost for the reboiler heat supply Greater cost for the condenser coolant Lower fixed charges for the column All of these Greater cost for the reboiler heat supply Greater cost for the condenser coolant Lower fixed charges for the column ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Both A & B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Economic limit reached, when the plant cost exceeds the saving of steam Neither A nor B Both A & B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Economic limit reached, when the plant cost exceeds the saving of steam Neither A nor B 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 2.5 5 12.5 17.5 2.5 5 12.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In shell and tube heat exchangers, straight tie rods are used to Hold baffle in space Fix the tubes in position None of these Account for thermal strain Hold baffle in space Fix the tubes in position None of these Account for thermal strain ANSWER DOWNLOAD EXAMIANS APP