Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lap joints are preferred for plates having thickness __________ mm. 43961 < 12.5 > 5 > 3 43961 < 12.5 > 5 > 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Frame thickness in the plate and frame filter press is normally in the range of __________ inches. 0.25 to 8 1 to 5 0.25 to 4 1 to 12 0.25 to 8 1 to 5 0.25 to 4 1 to 12 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the 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 Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Maximum permissible vapour velocity Flooding limit of the column ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design 1.2 to 3.8 cms is the value of the Skirt clearance for bubble caps All of these Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) Downcomer liquid seal in case of a balanced tray design Skirt clearance for bubble caps All of these Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) Downcomer liquid seal in case of a balanced tray design ANSWER DOWNLOAD EXAMIANS APP