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SECTION 1 CALCULATIONS

1. 1.10 What must roof corrections be based on?
. a. The density or API gravity at the observed temperature of the oil in the tank
. b. The density or API gravity at standard temperature of the oil in the tank
. c. The barrels per inch calculated from the tank capacity table
. d. The critical zone
2. 1.24 What term has been replaced by relative density?
. a. Density in vacuum
. b. Density in air
. c. Specific gravity
. d. Gravity by pyknometer
3. 1.08 For a trim correction to apply, which of the following conditions must exist?
. a. Vessel must be down by the stern
. b. Liquid may not contact the forward bulkhead
. c. Liquid must touch all four bulkheads
. d. Conditions a., b. and c. must all exist
4. 1.18 What is generally accepted as the density of pure water at 15°C [API Gravity at 60°F]?
. a. 60 kg/m3 [6]
. b. 1000 kg/m3 [10]
. c. 14.5 kg/m3 [15]
. d. 1.0 kg/m3 [1]
5. 1.04 When calculating the Gross Standard Volume (GSV) in a shore tank at a pressure of 1 atmosphere, the factor Ctpl / CTL is the same as which other factor?
. a. Vessel Experience Factor (VEF)
. b. Volume Correction Factor (VCF)
. c. Weight Correction Factor (WCF)
. d. Voyage Analysis Report (VAR)
6. 1.35 Who decides whether to apply a line displacement differential to a shore figure?
. a. Customs
. b. Inspection company personnel
. c. The Buyer and Seller or Terminal procedures
. d. Either a. or c. can decide
7. 1.28 A product has API gravity at 60°F of 21.3. What table would be used to find the equivalent density at 15 degrees Celsius?
. a. Table 8
. b. Table 11
. c. Table 3
. d. Table 6B
8. 1.09 What is the equation used to calculate a vessel s trim factor?
. a. Trim divided by the length between perpendiculars
. b. Trim divided by the vessel's width
. c. Trim divided by the tank length
. d. Tank length divided by the length between perpendiculars
9. 1.26 What is the equivalent of 0 degrees Celsius on the Fahrenheit scale?
. a. 0 °F
. b. 12 °F
. c. 50 °F
. d. 32 °F
10. 1.20 When a vessel s capacity tables are graduated to greater than 1/8, 0.01, or 3 mm, you should interpolate to calculate the volume at the gauged level in the tank.
. a. True
. b. False
.
.
11. 1.11 What is the trim factor of a vessel?
. a. The amount the vessel is trimmed
. b. The slope per linear foot (or metre) of the vessel
. c. The slope per square foot (or metre) of the vessel
. d. The length between perpendiculars times the trim
12. 1.14 A tank has a measured gauge height of 15.000 m [45] and is filled to a 10.000 m [40] innage with no free water. To take a middle spot sample, to what point in the tank must you lower the sampler?
. a. 5.000 m [20] below the reference gauge point
. b. 7.500 m [22.5] below the reference gauge point
. c. 10.000 m [25] below the reference gauge point
. d. 7.500 m [25] from the tank bottom
13. 1.17 A tank has a measured gauge height of 15.000 m [45] and is filled to a 12.000 m [40] innage with no free water. To take a top spot sample to what point in the tank must you lower the sampler?
. a. 5.000 m [5 00] below the reference gauge point
. b. 3.150 m [5 06] below the reference gauge point
. c. 9.000 m [11 08] below the reference gauge point
. d. 0.150 m [12 06] below the reference gauge point
14. 1.23 How many centimeters equal one inch?
. a. 3.16
. b. 2.75
. c. 2.54
. d. Answers a., b. and c. are all wrong
15. 1.03 When a capacity table indicates a reference API Gravity and an API Gravity correction per barrel variance for a shore tank, what data must be available to calculate a floating roof correction?
. a. Weight of the roof only
. b. API Gravity of the contents at 60 °F ; API Gravity for which the capacity table was calculated; correction in barrels for each degree of difference in API Gravity
. c. Observed API Gravity of the contents; Weight of the roof; correction in barrels for each degree of difference in API Gravity
. d. Observed API Gravity of the contents; API Gravity for which the capacity table was calculated; correction in barrels for each degree of difference in API Gravity
16. 1.36 What table should be used to convert barrels at 60°F to long tons?
. a. Table 8
. b. Table 11
. c. Table 13
. d. Table 6B
17. 1.30 A list correction is most similar to which of the following calculations?
. a. A wedge formula
. b. A vessel experience factor
. c. A voyage ratio
. d. A trim correction
18. 1.05 If a cargo does not contain S&W, the Gross Standard Volume and the Net Standard Volume are the same.
. a. True
. b. False
.
.
19. 1.15 A tank has a measured gauge height of 15.000 m [45] and is filled to a 9.000 m [30] innage with no free water. To take a lower spot sample, to what point in the tank must you lower the sampler?
. a. 3.000 m [10] below the reference gauge point
. b. 5.000 m [15] above the tank bottom
. c. 12.000 m [30] below the reference gauge point
. d. 13.500 m [40] below the reference gauge point
20. 1.12 Tanks on barges or other small vessels do not require trim corrections because they are too small for a correction to make a significant difference.
. a. True
. b. False
.
.

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