Process Equipment and Plant Design __________ tray arrangement is recommended for distillation column having diameter upto 4 ft. Cross flow Radial flow Cascade Split flow Cross flow Radial flow Cascade Split flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter. 1/20-1/30th 1/5-1/10th 1/2 to 1/4th 1/10-1/15th 1/20-1/30th 1/5-1/10th 1/2 to 1/4th 1/10-1/15th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Low gas velocity Excessive liquid gradient over the tray High gas velocity Low reflux ratio Low gas velocity Excessive liquid gradient over the tray High gas velocity Low reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A rivetted joint does not fail by __________ of rivets. Tearing of the plate across a row Shearing Tearing None of these Tearing of the plate across a row Shearing Tearing None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing. 1000-1500 43835 100-150 20-40 1000-1500 43835 100-150 20-40 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the Sensible heat differences are small, because the temperature changes from tray to tray is small All of these Trouton's rule is applicable Liquid/vapor loading across the column remains constant Sensible heat differences are small, because the temperature changes from tray to tray is small All of these Trouton's rule is applicable Liquid/vapor loading across the column remains constant ANSWER DOWNLOAD EXAMIANS APP
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