OCTCO/OCTF Exit Exam • Set 9 Question 13 of 30

The IG blower ........introduced pressure fluctuations in inert gas demand.

✓

Direct Answer

Option A: must not

Inert gas blowers must operate smoothly and consistently, ensuring they must not introduce pressure fluctuations into the inert gas deck main. Unstable pressure control risks breaching tank integrity, violating stringent safety parameters outlined in the inert gas systems manual.

All Options

must not (Correct Answer)

should

may or may not

none of the above

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).

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More Questions in OCTCO/OCTF Set 9

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Q1 The minimum oxygen required for combustion? Q2 What are consequences of a ballast tank vent not working during deballasting operation? Q3 Type 1 ship is a chemical tanker intended to transport chapter 17 of the IBC code product with very severe environmental and safety hazards which require maximum preventive measure to preclude an escape of such cargo. Q4 A vessel is fitted with a sample locker or spill containment locker in the amidships, what is the general arrangement for firefighting of that compartment. Q5 The inert gas leaving the demister is saturated with? Q6 In IG the mass of the water vapor contained in a given volume of saturated gas depends on the.........of the gas? Q7 Which of the following is a safety consideration when dealing with liquefied gas? Q8 Before entry into a cargo tank which has contained a petroleum product......... Q9 The blower casing is of ...... material? Q10 This valve is used in conjunction with closed and restricted measurement equipment to allow measurement in ship tanks that are closed to the atmosphere. Once a portable measurement unit (PMU) is attached to the VCV, the valve is opened and the PMU probe is dropped into the tank to perform the required measurement.