Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to 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 I.D. of the shell 5 cms 25 cms ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Flanges are connected to pipes by Brazing All of these Welding Screwing Brazing All of these Welding Screwing 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. 1/20th 1/10th 1/50th 1/30th 1/20th 1/10th 1/50th 1/30th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering branch) would be Less than that for Tee (used as elbow, entering run) More than that for Tee (used as elbow, entering run) Both B and C Around 90 Less than that for Tee (used as elbow, entering run) More than that for Tee (used as elbow, entering run) Both B and C Around 90 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to 1.5 d 0.5 d 2.5 d D 1.5 d 0.5 d 2.5 d D 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 Results in higher shell side pressure drop Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Can accomodate less number of tubes for a given shell diameter Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Results in higher shell side pressure drop Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Can accomodate less number of tubes for a given shell diameter Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
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