Process Equipment and Plant Design Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the Sensible heat differences are small, because the temperature changes from tray to tray is small Trouton's rule is applicable Liquid/vapor loading across the column remains constant All of these Sensible heat differences are small, because the temperature changes from tray to tray is small Trouton's rule is applicable Liquid/vapor loading across the column remains constant All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG. Increases None of these Remains same Decreases Increases None of these Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Neither A nor B Radial Circumferential Both A & B Neither A nor B Radial Circumferential Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to 1 2 20.8 ∞ 1 2 20.8 ∞ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the None of these Flooding limit of the column Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these Flooding limit of the column Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as Δp = G2 Δp = G0.5 Δp = 1/G0.6 Δp = G Δp = G2 Δp = G0.5 Δp = 1/G0.6 Δp = G ANSWER DOWNLOAD EXAMIANS APP