Process Equipment and Plant Design In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as 0.25 0.8 0.1 0.5 0.25 0.8 0.1 0.5 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 capacity Increases economy Both B & C Does not affect the capacity Increases capacity Increases economy Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Cases where temperature difference between the shell and the tubes is more (>50°C) Heat transfer between corrosive fluids Counter-current heat transfer systems Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Heat transfer between corrosive fluids Counter-current heat transfer systems Co-current heat transfer systems ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube All of these Liquor is inside the tube while the steam is outside the tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube All of these Liquor is inside the tube while the steam is outside the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Both B and C Much less (say 2% than that for fully open globe valves) Around 7 Much more than that for fully open globe valves Both B and C Much less (say 2% than that for fully open globe valves) Around 7 Much more than that for fully open globe valves ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 0.5 metre 2.5 metres 6 metres 10 metres 0.5 metre 2.5 metres 6 metres 10 metres ANSWER DOWNLOAD EXAMIANS APP