Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 12 18 6 34 12 18 6 34 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of Overall gas transfer units to the number of ideal trays required Real trays required to the number of ideal trays required None of these Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required Real trays required to the number of ideal trays required None of these Ideal trays required to the number of real trays required ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by σh = 2 σL σh = σL/2 σh = σL No relation exists σh = 2 σL σh = σL/2 σh = σL No relation exists ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height. 17-34 43929 52-68 88-105 17-34 43929 52-68 88-105 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Joint efficiency (J) for a seamless pipe is 1.2 0.85 1 < 0.5 1.2 0.85 1 < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm. 5 to 7 0.1 to 2 3 to 8 8 to 15 5 to 7 0.1 to 2 3 to 8 8 to 15 ANSWER DOWNLOAD EXAMIANS APP
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