Process Equipment and Plant Design Reflux ratio variation in a distillation column is between Minimum and infinity None of these Zero and one Zero and infinity Minimum and infinity None of these Zero and one Zero and infinity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 21.6 Decrease by 22 None of these Increase by 1.8 Increase by 21.6 Decrease by 22 None of these Increase by 1.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is pD/4t pD/2t pD/6t pD/3t pD/4t pD/2t pD/6t pD/3t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns. More Less Same Either A or B; no generalisation can be made More Less Same Either A or B; no generalisation can be made ANSWER DOWNLOAD EXAMIANS APP
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 Avoid back-trapping None of these Allow for thermal expansion and facilitate installation Drain the liquid from the tray when the unit is not in operation Avoid back-trapping None of these Allow for thermal expansion and facilitate installation 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 1/2 to 1/4th 1/5-1/10th 1/10-1/15th 1/20-1/30th 1/2 to 1/4th 1/5-1/10th 1/10-1/15th ANSWER DOWNLOAD EXAMIANS APP
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