Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) (P² - πd²/4)/πd 4(P² - πd²/4)/πd 4P²/πd Πd/4P² (P² - πd²/4)/πd 4(P² - πd²/4)/πd 4P²/πd Πd/4P² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Decreases upwards Increases upwards Remains same throughout May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Decreases upwards Increases upwards Remains same throughout ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the Greater cost for the condenser coolant All of these Greater cost for the reboiler heat supply Lower fixed charges for the column Greater cost for the condenser coolant All of these Greater cost for the reboiler heat supply Lower fixed charges for the column ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam is preferred to be used as a heating medium in heat exchangers, because of its Non-corrosive condensate Low cost High latent heat High film co-efficient Non-corrosive condensate Low cost High latent heat High film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder Has greater structural strength Neither A nor B Is easy to fabricate Both A & B Has greater structural strength Neither A nor B Is easy to fabricate Both A & B 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. 43832 4 43834 2 43832 4 43834 2 ANSWER DOWNLOAD EXAMIANS APP
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