B1 C1 Lubrication Principles Questions and Answers 100% Pass

B1 C1 Lubrication Principles Questions and Answers 100% Pass What does a high viscosity index for lubricating oil indicate about its viscosity? a. It will vary significantly with changes in temperature b. It will remain constant regardless of temperature changes c. It will evaporate as temperature rises d. It will change minimally with temperature fluctuations e. It will increase in pressure as temperature drops d Which statement best describes viscosity in relation to oil? 1. It is the temperature at which oil ignites 2. It determines the oil's load-bearing capability 3. It prevents bearing corrosion 4. It reflects the oil's flowability a. 2, 3, 4 b. 1, 3 c. 3, 4 2 d. 1, 2, 4 e. 2, 4 e Regarding semi-solid lubricants, which of the following is accurate? 1. They possess high viscosity 2. They are used to block contaminants and moisture from bearings 3. They are unsuitable for high-temperature conditions 4. They can be filtered a. 1, 2, 3, 4 b. 1, 2, 3 c. 2, 3, 4 d. 1, 2, 4 e. 3, 4 b What characteristic does an oil with significant viscosity change with minimal temperature variation exhibit? 3 a. Low viscosity index b. High pour point c. High carbon residue d. High viscosity index e. Low pour point a How should oil additives ideally affect the characteristics of the oil? a. They should not significantly alter the other properties b. They will always greatly influence the pour point c. They should be minimized in use