GASCO Exit Exam • Set 13 Question 7 of 30

Identify the odd one. Each main cargo pump electric motor is protected from certain faults. Which of the following is an exception?

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Direct Answer

Option A: Delayed start

The correct answer is Delayed start. This complies with established gas tanker operational standards, thermodynamics, and the IGC Code safety requirements.

All Options

Delayed start (Correct Answer)

Thermal overload (over current)

Undercurrent (no load operation)

Imbalance between phases (single-phasing)

Detailed Explanation & Context

The correct answer is Delayed start. This complies with established gas tanker operational standards, thermodynamics, and the IGC Code safety requirements.

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

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Q1 The vapour remains in a __________ state till the condensation process is over. Q2 pressure is commonly used for measuring vacuum and pressures. Q3 __________ is the standard measurement of atmospheric pressure, with respect to 760 mm or 29.90 Inches of mercury. Q4 The effect of layering made up of two vapours or gases with different densities is called as____________ Q5 Onboard an LNG tanker with NO 96 containment system what will typically happen if a minor membrane leak(crack) occurs below the cargo level? Q6 The grade of steel used for inner hull construction is designed so to withstand Q7 Identify the odd one. Each main cargo pump electric motor is protected from certain faults. Which of the following is an exception? Q8 Why does the cofferdam heating system have two sets of heating coils? Q9 In an LNG carrier two types of cargo pumps are fitted in each cargo tank. Identify them by name. Q10 What are the two types ur heating medium which may be used for the typical cofferdam heating system onboard LNG carers?