While dischaging in a tanker you obsereve tank pressures reducing. what are dpossible reasons and how ? explain your actions as
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when disch igs is supplying inert gas contonously to da tanks so may be igs is not working or experiencing problems or pv v/vs having a leakage
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may be the vaccum side of the pv valve is not working or , the vrl if used, the valve of the vrl is not opened or the vrl line is chocked by some solidifying cargo like hmd or the tank pressure sensor is not working prperly ... these or some possible ways.
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check venting system , may be some vent open if falling slowly , drastic redustion I.G stopped .... if vent open close it ... ig failure inform E/R ... ALL CASES CALL C/O....This is wat is expected ...
MMD / MCA ORALS 2ND MATE EXAM
