Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 10000 1000 5000 3000 10000 1000 5000 3000 ANSWER DOWNLOAD EXAMIANS APP
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 reboiler heat supply Greater cost for the condenser coolant All of these Lower fixed charges for the column Greater cost for the reboiler heat supply Greater cost for the condenser coolant All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design Irrespective of the shape of the vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on spherical vessel Only if the opening is on a horizontal cylinderical vessel Irrespective of the shape of the vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on spherical vessel Only if the opening is on a horizontal cylinderical vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure Decreases May increase or decrease depending upon the solubility of the gas in the liquid Remains same Increases Decreases May increase or decrease depending upon the solubility of the gas in the liquid Remains same Increases 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 Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B Economic limit reached, when the plant cost exceeds the saving of steam Neither A nor B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B 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 Baffle spacing is generally __________ the I.D. of the shell. Not less than one fifth of Both B and C More than Not greater than Not less than one fifth of Both B and C More than Not greater than ANSWER DOWNLOAD EXAMIANS APP