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 Bubble cap diameter used for the distillation column having diameter ranging from 1.5 to 4.5 metres is about __________ mm. 10 50 100 150 10 50 100 150 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms. 20 15 7.5 2.5 20 15 7.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? 6.5 mm Equal to tube I.D Equal to tube O.D 6.5 cms 6.5 mm Equal to tube I.D Equal to tube O.D 6.5 cms ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The type of stress developed in a metallic bar on subjecting it to a change in temperature without allowing it to be deformed is __________ stress. Compressive Tensile Thermal Shear Compressive Tensile Thermal Shear ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall distillation column efficiency for most of the refinery columns can be given by (for μ = 0.07 - 1.4 cp and relative volatility < 4) (where η = overall column efficiency, % μ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi) Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ ANSWER DOWNLOAD EXAMIANS APP
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