Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 2 4 43832 43834 2 4 43832 43834 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8"). Three fourth Equal to 1.5 times Half Three fourth Equal to 1.5 times Half 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 = σL σh = 2 σL No relation exists σh = σL/2 σh = σL σh = 2 σL No relation exists σh = σL/2 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 What is the slope of the feed line, if the feed to a distillation column is a saturated liquid? > 1 < 1 ∞ > 1 < 1 ∞ 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 Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required None of these Overall gas transfer units to the number of ideal trays required Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required ANSWER DOWNLOAD EXAMIANS APP
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