SECTION 1 – CALCULATIONS

SECTION คำชี้แจง
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1. 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
2. 1.16 A tank has a measured gauge height of 15.000 m [45] and is filled to a 9.000 m [36] innage with no free water. To take an upper spot sample, to what point in the tank must you lower the sampler?
    a. 6.000 m [12] above the tank bottom
    b. 7.500 m [15] below the reference gauge point
    c. 9.500 m [21] below the reference gauge point
    d. 6.000 m [15] above the tank bottom
3. 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
4. 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
5. 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
6. 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


7. 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)
8. 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
9. 1.21 When the density [API] at observed temperature of a crude oil is known, what table would you use to find the density at 15°C [API at 60°F]?
    a. Table 53A [Table 5A]
    b. Table 53B [Table 5B]
    c. Table 24A [Table 23A]
    d. Table 24B [Table 23B]
10. 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
11. 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
12. 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


13. 1.07 The Total Calculated Volume is equal to the Gross Standard Volume plus what?
    a. Free water
    b. S&W
    c. Roof Correction
    d. Free Water and S&W
14. 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


15. 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
16. 1.13 When an automatic in-line sampler is used correctly during the discharge of a crude oil vessel, what will the resulting sample include?
    a. Oil and S&W
    b. Oil, S&W and sludge
    c. Oil, S&W & Free Water
    d. S&W and Free Water only
17. 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
18. 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
19. 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
20. 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
21. 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
22. 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


23. 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]
24. 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


25. 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
26. 1.19 The term specific gravity has been replaced by what term?
    a. API gravity
    b. Density in vacuum
    c. Relative density
    d. Density in air
27. 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)
28. 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
29. 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
30. 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
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