Process Equipment and Plant Design The longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is pd/8t pd/2t pd/t pd/4t pd/8t pd/2t pd/t pd/4t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be Less than that for fluid flow More than that for fluid flow Same as that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Less than that for fluid flow More than that for fluid flow Same as that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 2.5 1.3 to 2 1.6 to 2 1.5 to 3 2.5 1.3 to 2 1.6 to 2 1.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Maximum permissible vapour velocity Flooding limit of the column None of these Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Maximum permissible vapour velocity Flooding limit of the column None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/20th 1/30th 1/50th 1/10th 1/20th 1/30th 1/50th 1/10th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column. 100 to 150 50 to 100 250 to 500 600 to 700 100 to 150 50 to 100 250 to 500 600 to 700 ANSWER DOWNLOAD EXAMIANS APP
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