Process Equipment and Plant Design An adequate clearance between the tray and the shell wall of a distillation column is provided to Drain the liquid from the tray when the unit is not in operation Allow for thermal expansion and facilitate installation None of these Avoid back-trapping Drain the liquid from the tray when the unit is not in operation Allow for thermal expansion and facilitate installation None of these Avoid back-trapping 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. 1/5-1/10th 1/20-1/30th 1/2 to 1/4th 1/10-1/15th 1/5-1/10th 1/20-1/30th 1/2 to 1/4th 1/10-1/15th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Reflux ratio variation in a distillation column is between None of these Zero and one Zero and infinity Minimum and infinity None of these Zero and one Zero and infinity Minimum and infinity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the value of 'q' for saturated vapor feed to a distillation column ?(where q = fraction of the feed stream that is liquid.) 1 > 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 10 to 15 5 to 10 1.5 to 2 2.5 to 5 10 to 15 5 to 10 1.5 to 2 2.5 to 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Running cost of cooling water for condenser Fixed charges initially Running cost of steam for reboiler Vapour & liquid load both Running cost of cooling water for condenser Fixed charges initially Running cost of steam for reboiler Vapour & liquid load both ANSWER DOWNLOAD EXAMIANS APP