1. 2.11 What is the formula for density?1) a. Length divided by width
2) b. Volume divided by temperature
3) c. Mass divided by volume
4) d. Mass divided by relative density
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2. 2.08 What is clingage?1) a. The wedge shaped volume of oil remaining in a tank after discharge
2) b. The non-liquid wedge-shaped volume of oil remaining in a tank after discharge
3) c. The cargo that adheres to the internal vertical surfaces of a tank after it has been emptied.
4) d. The ability of a liquid to cling to the inside surface of a container
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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. 2.09 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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5. 2.29 What does an innage, sounding or dip measure?1) a. The depth of the empty space above the liquid in a tank
2) b. The depth of the sediment in a tank
3) c. The length of an innage tape
4) d. The depth of the liquid in a tank
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