Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 25-50 750-1000 200-250 50-75 25-50 750-1000 200-250 50-75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity. 80 95 60 45 80 95 60 45 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method Accounts for the enthalpy changes in the process Is more accurate in finding the number of equilibrium stages All of these Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method Accounts for the enthalpy changes in the process Is more accurate in finding the number of equilibrium stages All of these Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In perforated plate towers, the All of these Total hole area may be around 6 to 15% of tower cross-sectional area Hole sizes may be around 1/8" or 3/16" Pressure drop is less compared is similar bubble cap towers All of these Total hole area may be around 6 to 15% of tower cross-sectional area Hole sizes may be around 1/8" or 3/16" Pressure drop is less compared is similar bubble cap towers ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design LMTD correction factor is used in heat exchanger design for Counter flow of hot and cold fluids Fouling fluids Multipass shell and tube heat exchanger Double pipe heat exchanger Counter flow of hot and cold fluids Fouling fluids Multipass shell and tube heat exchanger Double pipe heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The maximum liquid gradient over a tray must not exceed 2"-3.5" 5" Half the tray spacing 0.5" -1.25" 2"-3.5" 5" Half the tray spacing 0.5" -1.25" ANSWER DOWNLOAD EXAMIANS APP
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