Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Leads to high tray efficiency Both A & B Results in higher pressure drop per tray Neither A nor B Leads to high tray efficiency Both A & B Results in higher pressure drop per tray Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Seamless pipe is made By extrusion & casting into static and centrifugal molds Both B and C From rolled strips formed into cylinders and seam-welded By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing By extrusion & casting into static and centrifugal molds Both B and C From rolled strips formed into cylinders and seam-welded By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Cases where temperature difference between the shell and the tubes is more (>50°C) Co-current heat transfer systems Heat transfer between corrosive fluids Counter-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Co-current heat transfer systems Heat transfer between corrosive fluids Counter-current heat transfer systems ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. . 6.8 0.5 3.8 1.2 6.8 0.5 3.8 1.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency Increases Remains same Decreases May increase or decrease depending upon the plate spacing Increases Remains same Decreases May increase or decrease depending upon the plate spacing 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 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 More than geometric mean value ANSWER DOWNLOAD EXAMIANS APP
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