Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. One-fourth of Less than 2.5 times 1.25-1.50 times One-fourth of Less than 2.5 times 1.25-1.50 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from 1.5-2.5 3.5-5.5 7.5-10.0 44119 1.5-2.5 3.5-5.5 7.5-10.0 44119 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Vapour & liquid load both Fixed charges initially Running cost of cooling water for condenser Running cost of steam for reboiler Vapour & liquid load both Fixed charges initially Running cost of cooling water for condenser Running cost of steam for reboiler ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. . 3.8 0.5 6.8 1.2 3.8 0.5 6.8 1.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Filtration rate is affected by the Pressure drop across the cake & filter medium Cake & filter medium resistance All of these Area of filtering surface & the viscosity of filtrate Pressure drop across the cake & filter medium Cake & filter medium resistance All of these Area of filtering surface & the viscosity of filtrate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Laminar flow Eddy diffusivity = 0 Plug flow Complete back mixing Laminar flow Eddy diffusivity = 0 Plug flow Complete back mixing ANSWER DOWNLOAD EXAMIANS APP