Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 2.7 to 3 1.1 to 1.5 1.6 to 2 2.2 to 2.6 2.7 to 3 1.1 to 1.5 1.6 to 2 2.2 to 2.6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Apex angle of conical heads used in the bottom heads of chemical process equipments is usually 30° 60° 75° 45° 30° 60° 75° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap plate column is A continuous contactor A finite stage contactor Used only for distillation, not for absorption A differential stage contactor A continuous contactor A finite stage contactor Used only for distillation, not for absorption A differential stage contactor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure? At the mid thickness of the cylindrical wall At the outer surface None of these At the inner surface At the mid thickness of the cylindrical wall At the outer surface None of these At the inner surface ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shortest distance between two tubes is Called tube pitch More in case of triangular pitch as compared to square pitch of tube layout None of these Called tube clearance Called tube pitch More in case of triangular pitch as compared to square pitch of tube layout None of these Called tube clearance 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 1/2 to 1/4th 1/20-1/30th 1/10-1/15th 1/5-1/10th 1/2 to 1/4th 1/20-1/30th 1/10-1/15th ANSWER DOWNLOAD EXAMIANS APP
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