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CHEMCO Exit Exam • Set 9 Question 21 of 30

How to find out ‘Theoretical in-Transit losses’ during the voyage?

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Direct Answer

Option B: The ship’s net volume on board at normal temperature & pressure on completion of loading is compared with the net volume on board at normal temperature & pressure prior to the commencement of discharge emptying and filling losses.

Theoretical in-transit losses are calculated by comparing the ship's net volume at standard temperature after loading with the net volume at standard temperature before discharge, accounting for emptying and filling losses, as detailed in the P&A Manual for cargo accounting.

All Options

A
The ship’s net volume on board at standard temperature on completion of loading is compared with the net volume on board at standard temperature prior to the commencement of discharge emptying and filling losses.
B
The ship’s net volume on board at normal temperature & pressure on completion of loading is compared with the net volume on board at normal temperature & pressure prior to the commencement of discharge emptying and filling losses. (Correct Answer)
C
The ship’s gross volume on board at standard temperature on completion of loading is compared with the net volume on board prior to the commencement of discharge emptying and filling losses.
D
The ship’s net volume on board at standard temperature on completion of loading is compared with the gross volume on board at standard temperature prior to the commencement of discharge emptying and filling losses.

Detailed Explanation & Context

Theoretical in-transit losses are calculated by comparing the ship's net volume at standard temperature after loading with the net volume at standard temperature before discharge, accounting for emptying and filling losses, as detailed in the P&A Manual for cargo accounting.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).

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