Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 34 12 18 6 34 12 18 6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes) D₂ - D₁ (D₂² - D₁²)/D₁² None of these (D₂² - D₁²)/D₂² D₂ - D₁ (D₂² - D₁²)/D₁² None of these (D₂² - D₁²)/D₂² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. None of these Increase by 1.8 Increase by 21.6 Decrease by 22 None of these Increase by 1.8 Increase by 21.6 Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 2.5 1.5 to 3 1.6 to 2 1.3 to 2 2.5 1.5 to 3 1.6 to 2 1.3 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 0.5 to 1.5 2.5 to 4.0 5 to 10 10 to 15 0.5 to 1.5 2.5 to 4.0 5 to 10 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms. 15 5 50 7.5 15 5 50 7.5 ANSWER DOWNLOAD EXAMIANS APP
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