Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) √A A/P 4 P/A 4 A/P √A A/P 4 P/A 4 A/P ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Increases economy Both B & C Does not affect the capacity Increases capacity Increases economy Both B & C Does not affect the capacity Increases capacity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following material is seldom used for pressure vessel construction? Killed steel Semi-killed steel Mild steel Rimmed still Killed steel Semi-killed steel Mild steel Rimmed still ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 43961 15-20 35-40 30-35 43961 15-20 35-40 30-35 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 12 34 18 6 12 34 18 6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Lessig rings Raschig rings All of these Cross-partition rings Lessig rings Raschig rings All of these Cross-partition rings ANSWER DOWNLOAD EXAMIANS APP