Process Equipment and Plant Design It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than 0.8 0.55 0.99 0.95 0.8 0.55 0.99 0.95 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Results in higher shell side pressure drop Can accomodate less number of tubes for a given shell diameter Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Results in higher shell side pressure drop Can accomodate less number of tubes for a given shell diameter Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the Small downcomer liquid seal Liquid gradient on the tray Lower static submergence Lower skirt clearance Small downcomer liquid seal Liquid gradient on the tray Lower static submergence Lower skirt clearance ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A cylindrical storage tank can have a self supported conical roof, If its diameter is less than 15-20metres If the thickness of the roof is more than that of the cylindrical shell If its diameter is more than 50 meters Irrespective of its diameter If its diameter is less than 15-20metres If the thickness of the roof is more than that of the cylindrical shell If its diameter is more than 50 meters Irrespective of its diameter ANSWER DOWNLOAD EXAMIANS APP
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 = 3√t D = 1.1 t D = 1.6 √t D = 1.5 t D = 3√t D = 1.1 t D = 1.6 √t D = 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 25/NRe f = 0.22 NRe0.05 f = 0.04/NRe0.16 f = 16/NRe f = 25/NRe f = 0.22 NRe0.05 f = 0.04/NRe0.16 f = 16/NRe ANSWER DOWNLOAD EXAMIANS APP
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