Q4. (a) Explain the function of an 'eductor' with the aid of a sketch. Where do you find an eductor system on a ship? Give two examples. (8)
(b) Explain the working principle of an eductor. What are the operational challenges that may affect the performance of the eductor? (8)
Q4. A distinguishing feature of an eductor, when compared to other pumps, is the (16)
(a) Discharge end being smaller than the suction end
(b) Small size of impeller
(c) Lack of moving parts
(d) Ease at which the wearing rings may be changed
Briefly justify your answer.
Q7. (i) What is an 'eductor'? State it's function. (4)
(ii) Explain the working principle of an eductor, explain in slight detail. (6)
(iii) Draw an eductor and name it's parts. Show how it is connected to a tank ‘stripping’ arrangement. (6)
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