1. 1.10 What must roof corrections be based on?1) a. The density or API gravity at the observed temperature of the oil in the tank
2) b. The density or API gravity at standard temperature of the oil in the tank
3) c. The barrels per inch calculated from the tank capacity table
4) d. The critical zone
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2. 1.11 What is the trim factor of a vessel?1) a. The amount the vessel is trimmed
2) b. The slope per linear foot (or metre) of the vessel
3) c. The slope per square foot (or metre) of the vessel
4) d. The length between perpendiculars times the trim
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3. 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]?1) a. Table 53A [Table 5A]
2) b. Table 53B [Table 5B]
3) c. Table 24A [Table 23A]
4) d. Table 24B [Table 23B]
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4. 1.08 For a trim correction to apply, which of the following conditions must exist?1) a. Vessel must be down by the stern
2) b. Liquid may not contact the forward bulkhead
3) c. Liquid must touch all four bulkheads
4) d. Conditions a., b. and c. must all exist
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5. 1.22 In what units is a metric tape graduated?1) a. Millimeters
2) b. Feet
3) c. Hundredths of a foot
4) d. Inches
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