Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 10 to 15 2.5 to 4.0 5 to 10 0.5 to 1.5 10 to 15 2.5 to 4.0 5 to 10 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always More than arithmetic mean value Both B & C More than geometric mean value Less than arithmetic mean value More than arithmetic mean value Both B & C More than geometric mean value Less than arithmetic mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering branch) would be Both B and C More than that for Tee (used as elbow, entering run) Less than that for Tee (used as elbow, entering run) Around 90 Both B and C More than that for Tee (used as elbow, entering run) Less than that for Tee (used as elbow, entering run) Around 90 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rivets are generally specified by the Shank diameter Head diameter Overall length None of these Shank diameter Head diameter Overall length None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a long tube vertical evaporator. Tube dia is 3-6 cms, while tube length in 3-6 metres Steam is fed to the shell, whereas the liquor is filled inside the tube None of these Liquor level is maintained at l/3rd to 1/2 of the height of the tube Tube dia is 3-6 cms, while tube length in 3-6 metres Steam is fed to the shell, whereas the liquor is filled inside the tube None of these Liquor level is maintained at l/3rd to 1/2 of the height of the tube 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 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 Smaller reactor should come first None of these ANSWER DOWNLOAD EXAMIANS APP
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