Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the Lower fixed charges for the column Greater cost for the condenser coolant Greater cost for the reboiler heat supply All of these Lower fixed charges for the column Greater cost for the condenser coolant Greater cost for the reboiler heat supply All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation? McCabe-Thiele's method Ponchon-Savarit method None of these Sorel-Lewis method McCabe-Thiele's method Ponchon-Savarit method None of these Sorel-Lewis method ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. Disk and doughnut baffle is the most commonly used baffle The minimum value of baffle spacing is 50 mm The maximum value of baffle spacing is equal to the I.D. of the shell The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these Disk and doughnut baffle is the most commonly used baffle The minimum value of baffle spacing is 50 mm The maximum value of baffle spacing is equal to the I.D. of the shell The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The safe distance of habitation from a hazardous chemical plant (TLV of its product < 1000 ppm) should be about __________ kms. 5 1 25 15 5 1 25 15 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Low gas velocity High gas velocity Low reflux ratio Excessive liquid gradient over the tray Low gas velocity High gas velocity Low reflux ratio Excessive liquid gradient over the tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always less than arithmetic average value Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic mean value, but more than geometric mean value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always less than arithmetic average value Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic mean value, but more than geometric mean value ANSWER DOWNLOAD EXAMIANS APP
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