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 Equal to the tube diameter More than 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 Equal to the tube diameter More than the tube diameter Not less than one-fourth of the tube diameter or 3/16" ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers. Low corrosiveness Low viscosity Low dirt factor High specific heat Low corrosiveness Low viscosity Low dirt factor High specific heat ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a basket type evaporator. Downtake is formed by the annular space between the bundle and the shell The tube bundle is suspended on bracket There is no central downtake It is used for high viscosity liquor having large rate of scaling Downtake is formed by the annular space between the bundle and the shell The tube bundle is suspended on bracket There is no central downtake It is used for high viscosity liquor having large rate of scaling ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from 0.5 to 1 2 to 2.5 1 to 1.5 1.5 to 2 0.5 to 1 2 to 2.5 1 to 1.5 1.5 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = 0, is the representative of Laminar flow Eddy diffusivity = 0 Plug flow Complete back mixing Laminar flow Eddy diffusivity = 0 Plug flow Complete back mixing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Segmental baffle Flat plate extending across the wall Disk type baffle Helical type baffle Segmental baffle Flat plate extending across the wall Disk type baffle Helical type baffle ANSWER DOWNLOAD EXAMIANS APP
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