Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? All of these Lessig rings Cross-partition rings Raschig rings All of these Lessig rings Cross-partition rings Raschig rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the Smaller reactor should come first None of these Equal sized reactors are the best Larger reactor should come first Smaller reactor should come first None of these Equal sized reactors are the best Larger reactor should come first ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? Point efficiency Overall plate efficiency Murphree plate efficiency None of these Point efficiency Overall plate efficiency Murphree plate efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for Enhancing mixing rate Creating turbulence Relieving excess pressure Avoiding vortex formation Enhancing mixing rate Creating turbulence Relieving excess pressure Avoiding vortex formation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a U-bend Neither A nor B Floating head tube sheet Either A or B U-bend Neither A nor B Floating head tube sheet Either A or B ANSWER DOWNLOAD EXAMIANS APP
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