Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 1.5 t D = 1.6 √t D = 3√t D = 1.1 t D = 1.5 t D = 1.6 √t D = 3√t D = 1.1 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum baffle height should be Twice the impeller diameter Equal to the impeller diameter 3/4 of the tank height Twice the tank diameter Twice the impeller diameter Equal to the impeller diameter 3/4 of the tank height Twice the tank diameter 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 Rotary driers are most economically designed for the number of heat transfer units (HTU) from 5 to 10 1.5 to 2.5 0.01 to 1 10 to 20 5 to 10 1.5 to 2.5 0.01 to 1 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is pd/t pd/2t pd/8t pd/4t pd/t pd/2t pd/8t pd/4t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity. 60 95 80 45 60 95 80 45 ANSWER DOWNLOAD EXAMIANS APP
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