Process Equipment and Plant Design Floating head heat exchangers are used for the Heat transfer between corrosive fluids Cases where temperature difference between the shell and the tubes is more (>50°C) Co-current heat transfer systems Counter-current heat transfer systems Heat transfer between corrosive fluids Cases where temperature difference between the shell and the tubes is more (>50°C) Co-current heat transfer systems Counter-current heat transfer systems ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = 0, is the representative of Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cooling water fouling factors vary in the range of 0.001 to 0.003 (kcal/hr.m² .°C)⁻¹ (kcal/hr. m. °C)⁻¹ (W/m².°K)⁻¹ (BTU/hr.ft² . °F)⁻¹ (kcal/hr.m² .°C)⁻¹ (kcal/hr. m. °C)⁻¹ (W/m².°K)⁻¹ (BTU/hr.ft² . °F)⁻¹ 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 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 All of these Sensible heat differences are small, because the temperature changes from tray to tray is small ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? 0.8 (0.8)0.5 0.9 1 0.8 (0.8)0.5 0.9 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability. 10 15 5 2 10 15 5 2 ANSWER DOWNLOAD EXAMIANS APP
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