Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Both B and C Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter Both B and C Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Diagonal square pitch Heat transfer rate is independent of tube arrangement Square pitch Triangular pitch Diagonal square pitch Heat transfer rate is independent of tube arrangement Square pitch Triangular pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms. 15 7.5 2.5 20 15 7.5 2.5 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for Relieving excess pressure Creating turbulence Avoiding vortex formation Enhancing mixing rate Relieving excess pressure Creating turbulence Avoiding vortex formation Enhancing mixing rate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Maximum permissible vapour velocity Flooding limit of the column None of these Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Maximum permissible vapour velocity Flooding limit of the column None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 12 6 18 34 12 6 18 34 ANSWER DOWNLOAD EXAMIANS APP
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