Question 1123 Deck Safety

70% to pass

Gasoline tanks should be filled _______________.

A to the top so the operator is certain how much fuel he has aboard
B to the top to expel all vapors from the tanks
C with only sufficient fuel for the planned trip so excess gasoline is not carried
D to near the top with some space allowed for gasoline expansion
AI Explanation

The correct answer is D) to near the top with some space allowed for gasoline expansion. Gasoline tanks should not be filled to the top, as this does not allow for thermal expansion of the fuel. Gasoline expands as it warms, and overfilling the tank can cause it to spill out. Leaving some space at the top allows the fuel to expand safely without leakage. Filling the tank only to the planned trip amount (option C) is also not recommended, as it can lead to running out of fuel unexpectedly. Options A and B, filling to the top, are incorrect as they do not account for thermal expansion and can result in fuel spills.

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