Process Equipment and Plant Design Steam is preferred to be used as a heating medium in heat exchangers, because of its High film co-efficient High latent heat Low cost Non-corrosive condensate High film co-efficient High latent heat Low cost Non-corrosive condensate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Smoker's equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the Relative volatility is close to one (e.g., separation of close boiling isomers) Feed is not at its bubble point Number of equilibrium stages required is likely to be very small Number of equilibrium stages in only stripping section is to be calculated Relative volatility is close to one (e.g., separation of close boiling isomers) Feed is not at its bubble point Number of equilibrium stages required is likely to be very small Number of equilibrium stages in only stripping section is to be calculated ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is > 7 < 15 < 30 < 7 > 20 < 50 > 7 < 15 < 30 < 7 > 20 < 50 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/P 4 A/P 4 P/A √A A/P 4 A/P 4 P/A √A ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Lessig rings Raschig rings All of these Cross-partition rings Lessig rings Raschig rings All of these Cross-partition rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness. 30 to 40 40 to 50 10 to 20 1 to 5 30 to 40 40 to 50 10 to 20 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
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