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. 1.02 Density of any substance is the ratio of its mass to its volume, usually at a specified temperature. Relative Density is the ratio of the density of a substance at a specified temperature to the density of what other substance?1) a. Pure ethanol at the specified temperature
2) b. Acetone at the specified temperature
3) c. Pure water at the specified temperature
4) d. Vegetable oil at a specified temperature
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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?1) a. Air
2) b. Vacuum
3)
4)
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4. 1.29 What table should be used to convert m3 at 15 °C to metric tons in air?1) a. Table 53A
2) b. Table 56
3) c. Table 54B
4) d. Table 13
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5. 1.18 What is generally accepted as the density of pure water at 15°C [API Gravity at 60°F]?1) a. 60 kg/m3 [6]
2) b. 1000 kg/m3 [10]
3) c. 14.5 kg/m3 [15]
4) d. 1.0 kg/m3 [1]
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