1. 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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2. 2.43 What is a wall wash test?1) a. The activity of rinsing the wall of a tank with a solvent and obtaining a sample of the previous product(s) to determine compatibility with the product to be loaded
2) b. The activity of rinsing a tank with clean, fresh water following tank cleaning to ensure that the product to be loaded will not be contaminated
3) c. The activity of washing the walls of a tank to remove all traces of the product previously contained in the tank
4) d. Answers a., b. and c. are all wrong
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3. 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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4. 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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5. 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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