1. 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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2. 2.44 A US barrel has a volume of?1) a. 55 US gallons
2) b. 1 cubic meter
3) c. 5 liters
4) d. 42 US gallons
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3. 2.14 What is an emulsion?1) a. A heavy viscous liquid
2) b. A heavy viscous liquid containing a large amount of entrained sediment
3) c. An oil & water mixture that does not readily separate
4) d. A layer of free water located above a heavy viscous petroleum product
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4. 2.40 How is free water defined?1) a. The layer of water present in the tank that is not suspended in the oil
2) b. Any water found on the bob with water paste
3) c. Any water found using the tank gauging equipment
4) d. Any water that is trim corrected
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5. 2.42 What is load on top?1) a. The shipboard practice of collecting water and water and oil mixtures resulting from ballasting and tank cleaning operations (usually in a slop tank) and subsequently loading cargo on top of it and pumping the mixture ashore at the discharge port.
2) b. The act of commingling existing onboard quantity with cargo being loaded
3) c. Answers a. and b. are correct
4) d. Answers a., b. and c. are all wrong
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