1. 2.38 How is trim defined?1) a. The same as the draft
2) b. The difference between the forward and aft draft
3) c. The average of the forward draft, the amidships draft, and the aft draft
4) d. The leaning of the vessel to one side
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2. 2.27 What is the Reference Gauge Height of a tank?1) a. The distance from the tank top to the tank bottom
2) b. The distance from the ullage hatch to the datum plate
3) c. The distance from reference gauge point to the tank bottom or datum plate
4) d. The distance from tank bottom to the ullage hatch
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3. 2.03 What is ballast?1) a. Water in the tanks of a vessel used for laundry and other sanitation purposes
2) b. Any water on board a vessel in any tank
3) c. Water that is used to clean cargo tanks
4) d. Water that allows the vessel to maintain stability and to control stress and trim
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4. 2.13 What is relative density?1) a. The ratio of the mass of a given volume of liquid at a stated temperature to the mass of an equal volume of pure water at a stated temperature
2) b. The relative ability of a liquid to remain in a liquid state when cooled below standard freeze point
3) c. A measure of the relative viscosity of a liquid
4) d. The ratio of a given mass of a liquid when compared with its mass at 60 °F
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5. 2.30 What is ullage?1) a. The depth of the empty space above the liquid in a tank
2) b. The height of the free water in a tank
3) c. The length of an ullage tape
4) d. The depth of the liquid in a tank
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