Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 2.2 to 2.6 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube? Horizontal tube evaporator Short tube vertical evaporator None of these Long tube vertical evaporator Horizontal tube evaporator Short tube vertical evaporator None of these Long tube vertical evaporator 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 All of these Sensible heat differences are small, because the temperature changes from tray to tray is small Liquid/vapor loading across the column remains constant Trouton's rule is applicable All of these Sensible heat differences are small, because the temperature changes from tray to tray is small Liquid/vapor loading across the column remains constant Trouton's rule is applicable ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Both B and C Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Both B and C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter Remain unaffected Decreases None of these Increases Remain unaffected Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Correct use of 'factor of safety' is very important in equipment design. It is defined as the ratio of the Ultimate stress to breaking stress Working stress to ultimate stress None of these Ultimate stress to working stress Ultimate stress to breaking stress Working stress to ultimate stress None of these Ultimate stress to working stress ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS