Process Equipment and Plant Design Back-trapping in a distillation column results due to High gas velocity Low reflux ratio Excessive liquid gradient over the tray Low gas velocity High gas velocity Low reflux ratio Excessive liquid gradient over the tray Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A claming section before the liquid flows into the downcomer is privided to Reduce the discharge fluctuation Cool the liquid before it flows down Permit release of entrained vapour in the liquid Ensure better vapour-liquid contact Reduce the discharge fluctuation Cool the liquid before it flows down Permit release of entrained vapour in the liquid Ensure better vapour-liquid contact ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For turbine agitator, the impeller diameter is about 0.95 d 0.1 to 0.2 d 0.65 to 0.85 d 0.3 to 0.5 d 0.95 d 0.1 to 0.2 d 0.65 to 0.85 d 0.3 to 0.5 d ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lug support is The most suitable for thick vertical vessel All of these Provided usually for vessels of much smaller height than skirt supported vessels Same as bracket support The most suitable for thick vertical vessel All of these Provided usually for vessels of much smaller height than skirt supported vessels Same as bracket support ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head. Either A or B, whichever is larger Either A or B, whichever is smaller 6% of I.D. 3 times the thickness Either A or B, whichever is larger Either A or B, whichever is smaller 6% of I.D. 3 times the thickness ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. The minimum value of baffle spacing is 50 mm The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these Disk and doughnut baffle is the most commonly used baffle The maximum value of baffle spacing is equal to the I.D. of the shell The minimum value of baffle spacing is 50 mm The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these Disk and doughnut baffle is the most commonly used baffle The maximum value of baffle spacing is equal to the I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
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