Process Equipment and Plant Design Which of the following types of reactors is the safest from operation point of view? A liquid phase catalytic reactor A vapor phase reactor A liquid phase reactor Pot type reactor A liquid phase catalytic reactor A vapor phase reactor A liquid phase reactor Pot type reactor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 200-250 50-75 25-50 750-1000 200-250 50-75 25-50 750-1000 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) 4 A/P 4 P/A √A A/P 4 A/P 4 P/A √A A/P ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is > 20 30 < 10 > 10 > 20 30 < 10 > 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/10th 1/50th 1/30th 1/20th 1/10th 1/50th 1/30th 1/20th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid gradient over the tray results due to the Low gas velocity Large plate spacing Resistance offered to flow of liquids by caps & risers and the flow of gas Large reflux ratio Low gas velocity Large plate spacing Resistance offered to flow of liquids by caps & risers and the flow of gas Large reflux ratio ANSWER DOWNLOAD EXAMIANS APP
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