Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 0.5 metre 10 metres 6 metres 2.5 metres 0.5 metre 10 metres 6 metres 2.5 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Increase the residence time Improve the flow condition Facilitate handling of large flow rate of liquid Decrease the pressure drop Increase the residence time Improve the flow condition Facilitate handling of large flow rate of liquid Decrease the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8"). Equal to Half Three fourth 1.5 times Equal to Half Three fourth 1.5 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is ∞ Minimum 1 0 ∞ Minimum 1 0 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
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Does not affect the capacity Increases economy Increases capacity Both B & C Does not affect the capacity Increases economy Increases capacity Both B & C ANSWER DOWNLOAD EXAMIANS APP
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