Process Equipment and Plant Design Speed of industrial paddle agitator ranges from __________ rpm. 20 to 100 1 to 5 500 to 750 1000 to 2000 20 to 100 1 to 5 500 to 750 1000 to 2000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability. 10 2 15 5 10 2 15 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 5 35 55 20 5 35 55 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre. 1.2-1.5 0.4-0.9 0.2-0.5 0.1-0.2 1.2-1.5 0.4-0.9 0.2-0.5 0.1-0.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An adequate clearance between the tray and the shell wall of a distillation column is provided to Allow for thermal expansion and facilitate installation Avoid back-trapping None of these Drain the liquid from the tray when the unit is not in operation Allow for thermal expansion and facilitate installation Avoid back-trapping None of these Drain the liquid from the tray when the unit is not in operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to ∞ 1 2 20.8 ∞ 1 2 20.8 ANSWER DOWNLOAD EXAMIANS APP
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