Question 112Motor Plants - 1st Asst/Chief

The correct answer is C) 0.892 kg/dm3. The graph shown in the illustration, which is likely a specific gravity-temperature chart, indicates that as the temperature of the oil decreases from 72.5°C to 40°C, the specific gravity will increase from 0.87 kg/dm3 to 0.892 kg/dm3. This is because the density of the oil increases as the temperature decreases, as per the inverse relationship between temperature and density. The other options are incorrect because they do not accurately reflect the change in specific gravity based on the temperature decrease shown in the problem.