Process Equipment and Plant Design Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm. 10 5 20 30 10 5 20 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? 1 0.9 0.8 (0.8)0.5 1 0.9 0.8 (0.8)0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The most common standard size of bubble caps used in industrial operation is 6" dia cap with 4" dia riser 8" dia cap with 1" dia riser 4" dia cap with 8" dia riser 1" dia cap with 0.5" dia riser 6" dia cap with 4" dia riser 8" dia cap with 1" dia riser 4" dia cap with 8" dia riser 1" dia cap with 0.5" dia riser 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) √A A/P 4 P/A 4 A/P √A A/P 4 P/A 4 A/P 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Longitundinal stress induced in a thin walled cylindrical storage vessel is PD/2t PD/3t PD/6t PD/4t PD/2t PD/3t PD/6t PD/4t ANSWER DOWNLOAD EXAMIANS APP
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