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 maximum value of baffle spacing is equal to the I.D. of the shell 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 minimum value of baffle spacing is 50 mm Disk and doughnut baffle is the most commonly used baffle The maximum value of baffle spacing is equal to the I.D. of the shell 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 minimum value of baffle spacing is 50 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm. 43895 44183 43962 44058 43895 44183 43962 44058 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of None of these Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required Real trays required to the number of ideal trays required None of these Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required Real trays required to the number of ideal trays required ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity) E E/σ Σ Σ/E E E/σ Σ Σ/E ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 45.5 30.5 5.5 12.5 45.5 30.5 5.5 12.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is Same Less Cither A or B; depends upon the I.D. of the pipe More Same Less Cither A or B; depends upon the I.D. of the pipe More ANSWER DOWNLOAD EXAMIANS APP
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