Class 2 (2nd Engineer) MEKG 📅 Dec 2024

Exam Question

(a) Sketch and describe TWO methods that employ manometric means for measuring tank contents. (6)

(b) State what corrections are made to the readings obtained by the methods described in (a) in order to gauge the mass content. (5)

(c) Explain how bunkering requirements may be estimated when no records of main engine fuel consumption are available on board. (5)

Reference Answer

### (a) Manometric Methods for Measuring Tank Contents
Manometric tank gauging systems operate on the fundamental principle that the pressure exerted by a column of liquid is directly proportional to its height (level). This hydrostatic pressure is measured and converted into a level reading. The governing principle is given by the formula:
$$ P = \rho \times g \times h $$
Where:

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