Process Equipment and Plant Design Needle valves are generally not used for Very accurate flow control High pressure throttling service Smaller sizes of pipe Very large diameter pipes Very accurate flow control High pressure throttling service Smaller sizes of pipe Very large diameter pipes ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Two iron pipes of the same nominal diameter but different schedule numbers will have the same Inside diameter None of these Wall thickness Outside diameter Inside diameter None of these Wall thickness Outside diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B Economic limit reached, when the plant cost exceeds the saving of steam Neither A nor B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B Economic limit reached, when the plant cost exceeds the saving of steam Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fresh water carrying pipelines in chemical industries are coloured with __________ color. Sea green Yellow Brown Red Sea green Yellow Brown Red 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 = 17 - 61.1 log μ Η = 24.6 (Δp/μ) Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 24.6 (Δp/μ) Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Preferably flow inside the tube for its easier internal cleaning Flow at a very slow velocity Perferably flow outside the tube Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Preferably flow inside the tube for its easier internal cleaning Flow at a very slow velocity Perferably flow outside the tube ANSWER DOWNLOAD EXAMIANS APP
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