Process Equipment and Plant Design Speed of industrial paddle agitator ranges from __________ rpm. 1000 to 2000 1 to 5 500 to 750 20 to 100 1000 to 2000 1 to 5 500 to 750 20 to 100 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles may be eliminated for Large diameter tanks Low viscosity liquids (< 200 poise) High viscosity liquids (> 600 poise) None of these Large diameter tanks Low viscosity liquids (< 200 poise) High viscosity liquids (> 600 poise) None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 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? 1 0.8 0.9 (0.8)0.5 1 0.8 0.9 (0.8)0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid gradient over the tray results due to the Large plate spacing Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity Large reflux ratio Large plate spacing Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity Large reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) 4P²/πd 4(P² - πd²/4)/πd (P² - πd²/4)/πd Πd/4P² 4P²/πd 4(P² - πd²/4)/πd (P² - πd²/4)/πd Πd/4P² ANSWER DOWNLOAD EXAMIANS APP
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