Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Results in higher shell side pressure drop Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient 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 Results in higher shell side pressure drop Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient 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 for couplings and unions would be 350 60 Negligible 200 350 60 Negligible 200 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 = 1.5 t D = 1.1 t D = 1.6 √t D = 3√t D = 1.5 t D = 1.1 t D = 1.6 √t D = 3√t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called Static submergence Skirt clearance Downcomer liquid seal None of these Static submergence Skirt clearance Downcomer liquid seal None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. 0.6-0.8 times Twice 2 ft irrespective of (for column > 3 ft diameter) Equal to 0.6-0.8 times Twice 2 ft irrespective of (for column > 3 ft diameter) Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches. 34 18 24 6 34 18 24 6 ANSWER DOWNLOAD EXAMIANS APP
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