Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 10 metres 0.5 metre 2.5 metres 6 metres 10 metres 0.5 metre 2.5 metres 6 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam side heat transfer co-efficient for design consideration under ordinary condition can be assumed to be about __________ kcal/hr.m².°C. 15000 7500 2500 1250 15000 7500 2500 1250 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Stage efficiency for packed tower varies with the Type & size of packing All of these Fluid rates and fluid properties Operating pressure and column diameter Type & size of packing All of these Fluid rates and fluid properties Operating pressure and column diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter Both B and C Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter Both B and C Permits the use of more tubes in a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Vapour & liquid load both Running cost of cooling water for condenser Fixed charges initially Running cost of steam for reboiler Vapour & liquid load both Running cost of cooling water for condenser Fixed charges initially Running cost of steam for reboiler ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always Equal to the order of reaction < 1 1 >1 Equal to the order of reaction < 1 1 >1 ANSWER DOWNLOAD EXAMIANS APP