1. 2.34 What is the name given to the mixture of oil, tank washings, water and sediment collected in a designated ship s tank?1) a. Polluted oil
2) b. Merchantable oil
3) c. Slops
4) d. Hazardous waste
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2. 2.02 What is a hydrometer?1) a. A device to measure viscosity
2) b. A device to measure hydration
3) c. A device to measure density
4) d. A device to measure water flow
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3. 2.09 What is a datum plate?1) a. A level metal plate located directly under the reference gauge point to provide a fixed contact surface from which liquid depth measurement can be made.
2) b. A metal plate located next to the gauging point on a tank indicating the reference gauge height.
3) c. A metal plate located close to the gauging point on a tank listing all the relevant tank data
4) d. A level metal plate located at the top of a gauge hatch on a tank from which the gauge height is measured.
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4. 2.06 Which of the following are equivalent to a volume of one cubic metre?1) a. 264.172 US gallons
2) b. 6.28981 US Barrels
3) c. 1000 litres
4) d. Answers a., b. and c. are all correct
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5. 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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