Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 3000 1000 5000 10000 3000 1000 5000 10000 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 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. 60 80 45 95 60 80 45 95 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the slope of the operating line in the stripping section of a distillation column? ? < 1 > 1 ? < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to I.D. of the shell 5 cms 25 cms 40% of the I.D. of the shell I.D. of the shell 5 cms 25 cms 40% of the I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about __________ times.the design pressure. >5 4 to 5 1.5 to 2 3 to 4 >5 4 to 5 1.5 to 2 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
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