1. 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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2. 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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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. 2.05 What does the abbreviation S&W stand for?1) a. Sand and Water
2) b. Sediment and Waste
3) c. Scale and Water
4) d. Sediment and Water
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5. 2.10 What is deadwood?1) a. Wooden cup-case thermometer cases that are no longer fit for use
2) b. Any piece of gauging equipment made of wood (i.e. wooden handles of gauge tapes, cup-case thermometer cases) that have been exposed to chemicals and have been damaged as a result
3) c. Any tank fitting or structural member inside a tank that affects the capacity of the tank
4) d. Answers a., b. and c. are all wrong
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