Process Equipment and Plant Design In a shell and tube heat exchanger, the clearance of the tube is generally More in case of triangular pitch as compared to the square pitch tube layout More than the tube diameter Equal to the tube diameter Not less than one-fourth of the tube diameter or 3/16" More in case of triangular pitch as compared to the square pitch tube layout More than the tube diameter Equal to the tube diameter Not less than one-fourth of the tube diameter or 3/16" 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 Number of equilibrium stages in only stripping section is to be calculated Number of equilibrium stages required is likely to be very small Relative volatility is close to one (e.g., separation of close boiling isomers) Feed is not at its bubble point Number of equilibrium stages in only stripping section is to be calculated Number of equilibrium stages required is likely to be very small Relative volatility is close to one (e.g., separation of close boiling isomers) Feed is not at its bubble point ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column None of these Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Cross-partition rings All of these Lessig rings Raschig rings Cross-partition rings All of these Lessig rings Raschig rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Both B and C Facilitates comparatively easier external cleaning because of large clearance Permits the use of more tubes in a given shell diameter Permits the use of less tubes in a given shell diameter Both B and C Facilitates comparatively easier external cleaning because of large clearance Permits the use of more tubes in a given shell diameter Permits the use of less tubes in a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will Increase Decrease Remain unaffected Increase or decrease depending on the nature of the dust Increase Decrease Remain unaffected Increase or decrease depending on the nature of the dust ANSWER DOWNLOAD EXAMIANS APP
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