Process Equipment and Plant Design Value of Peclet number = 0, 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 Accidents in chemical plants are mostly due to Improper layout of the equipments Inadequate equipment design Faulty operating procedures Failure of equipments Improper layout of the equipments Inadequate equipment design Faulty operating procedures Failure of equipments ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.35-0.75 0.55-0.85 0.4-0.6 0.1-0.2 0.35-0.75 0.55-0.85 0.4-0.6 0.1-0.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is pd/3t pd/t pd/4t pd/2t pd/3t pd/t pd/4t pd/2t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Heat transfer rate is independent of tube arrangement Diagonal square pitch Triangular pitch Square pitch Heat transfer rate is independent of tube arrangement Diagonal square pitch Triangular pitch Square pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) 4 A/P 4 P/A √A A/P 4 A/P 4 P/A √A A/P ANSWER DOWNLOAD EXAMIANS APP
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