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MEO Class IV – SSEP : 2024/MAY/04 – 2024/OCT/04

Question

Q4. During the loading of a petroleum tanker, the incoming cargo forces out from the tank its previous atmospheric contents (air-vapour-inert gas).

Explain:

(a) The dangers of venting during the loading via open tank hatches (10)

(b) Why the pressure/vacuum valves is not used for venting (10)

Asked in Year/Month/Ques No.

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