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SECTION 1 CALCULATIONS

1. 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
2. 1.01 As the density of a material increases, what happens to the API Gravity?
. a. It becomes higher
. b. It becomes lower
. c. It does not change
. d. Answers a., b. and c. are all wrong
3. 1.27 Is the density used in the measurement tables (Table 54A, B, C, D and 6A, B, C, D) density in air or vacuum?
. a. Air
. b. Vacuum
.
.
4. 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
5. 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
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. 1.32 It is necessary to know the Vessel Experience Factor of a ship before you can accurately determine whether there has been a loss or gain of cargo in transit.
. a. True
. b. False
.
.
8. 1.24 What term has been replaced by relative density?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
9. 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
10. 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
11. 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
.
.
12. 1.29 What table should be used to convert m3 at 15 °C to metric tons in air?
. a. Table 53A
. b. Table 56
. c. Table 54B
. d. Table 13
13. 1.34 What table should be used to convert barrels at 60 °F to cubic metres at 15 °C?
. a. Table 11
. b. Table 52
. c. Table 6A
. d. Table 13
14. 1.25 What is the formula to calculate API gravity at 60°F when relative density is known?
. a. (141.5 ÷ Relative Density @ Observed Temperature) - 131.5
. b. (141.5 + Relative Density @ 60/60F) -131.5
. c. (131.5 ÷ Relative Density @ 60/60F) - 141.5
. d. (141.5 ÷ Relative Density @ 60/60F) - 131.5
15. 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
16. 1.33 Which API MPMS Chapter or Energy Institute HM document contains guidelines for the calculation of oil quantities?
. a. Chapter 3.1 / HM 4
. b. Chapter 8.1 / IP 475
. c. Chapter 17.11 / HM 52
. d. Chapter 12 / HM 1
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. 1.31 The correction for the effect of temperature on the shell of a shore tank does not need to be calculated if the contents of the tank are at 15°C [ 60°F].
. a. True
. b. False
.
.
19. 1.06 For a crude oil cargo, what information does the formula GOV x VCF give?
. a. GSV (Gross Standard Volume)
. b. NSV (Net Standard Volume)
. c. TCV (Total Calculated Volume)
. d. VCF (Volume Correction Factor)
20. 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

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