Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always More than geometric mean value Less than arithmetic mean value Both B & C More than arithmetic mean value More than geometric mean value Less than arithmetic mean value Both B & C More than arithmetic mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lug support is Same as bracket support All of these Provided usually for vessels of much smaller height than skirt supported vessels The most suitable for thick vertical vessel Same as bracket support All of these Provided usually for vessels of much smaller height than skirt supported vessels The most suitable for thick vertical vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around 3 and 5 100 and 250 25 and 60 250 and 600 3 and 5 100 and 250 25 and 60 250 and 600 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Can accomodate less number of tubes for a given shell diameter Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Results in higher shell side pressure drop Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Can accomodate less number of tubes for a given shell diameter Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Results in higher shell side pressure drop Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design LMTD correction factor is used in heat exchanger design for Fouling fluids Double pipe heat exchanger Multipass shell and tube heat exchanger Counter flow of hot and cold fluids Fouling fluids Double pipe heat exchanger Multipass shell and tube heat exchanger Counter flow of hot and cold fluids ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/10th 1/20th 1/50th 1/30th 1/10th 1/20th 1/50th 1/30th ANSWER DOWNLOAD EXAMIANS APP
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