Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. Disk and doughnut baffle is the most commonly used baffle The minimum value of baffle spacing is 50 mm The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The maximum value of baffle spacing is equal to the I.D. of the shell Disk and doughnut baffle is the most commonly used baffle The minimum value of baffle spacing is 50 mm The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The maximum value of baffle spacing is equal to the I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Triangular pitch Square pitch Heat transfer rate is independent of tube arrangement Diagonal square pitch Triangular pitch Square pitch Heat transfer rate is independent of tube arrangement Diagonal square pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be __________ times. Considerably more than 9 About 9 Considerably less than 9 About 3 Considerably more than 9 About 9 Considerably less than 9 About 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is D2/(d1 + d2) D1/(d1 + d2) (d1 + d2)/d1 (d1 + d2)/d2 D2/(d1 + d2) D1/(d1 + d2) (d1 + d2)/d1 (d1 + d2)/d2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around 5" 2.5" 50% of the plate spacing 0.5" 5" 2.5" 50% of the plate spacing 0.5" ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = 0, is the representative of Eddy diffusivity = 0 Plug flow Laminar flow Complete back mixing Eddy diffusivity = 0 Plug flow Laminar flow Complete back mixing ANSWER DOWNLOAD EXAMIANS APP
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