Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. One-fourth of 2.5 times Less than 1.25-1.50 times One-fourth of 2.5 times Less than 1.25-1.50 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Stage efficiency for packed tower varies with the Type & size of packing Fluid rates and fluid properties Operating pressure and column diameter All of these Type & size of packing Fluid rates and fluid properties Operating pressure and column diameter All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 4 2 43832 43834 4 2 43832 43834 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 Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method All of these Accounts for the enthalpy changes in the process Is more accurate in finding the number of equilibrium stages Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.) -q None of these -q/(q-1) -q/(1-q) -q None of these -q/(q-1) -q/(1-q) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap tray is the most commonly used tray in large distillation column, because It eliminates the foaming and entrain-ment tendency during operation None of these Of its flexibility and nearly constant efficiency under varying conditions of operation It incurs less pressure drop as compared to any other try designed for the same duty It eliminates the foaming and entrain-ment tendency during operation None of these Of its flexibility and nearly constant efficiency under varying conditions of operation It incurs less pressure drop as compared to any other try designed for the same duty ANSWER DOWNLOAD EXAMIANS APP
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