B1 C1 Lubrication Principles Exam Questions With Verified Answers.

EXAM STUDY MATERIALS July 26, 2024 9:30 AM B1 C1 Lubrication Principles Exam Questions With Verified Answers. If lubricating oil has a high viscosity index number, this means the viscosity will: a. Change a great deal with temperature change b. Not change at all with temperature change c. Vaporize with a temperature increase d. Change little with temperature change e. Increase in pressure as the temperature decreases. - answerd The viscosity of oil: 1. Is the temperature at which oil will burn 2. Determines the ability of the oil to support a load 3. Will prevent corrosion of bearings 4. Indicates the liquid's ability to flow a. 2, 3, 4 b. 1, 3 c. 3, 4 d. 1, 2, 4 e. 2, 4. - answere A semi-solid lubricant: 1. Has a high viscosity 2. Is to seal out dirt and water from bearings 3. Cannot be used for high temperature 4. Can be filtered a. 1, 2, 3, 4 b. 1, 2, 3 EXAM STUDY MATERIALS July 26, 2024 9:30 AM c. 2, 3, 4 d. 1, 2, 4 e. 3, 4. - answerb If an oil's viscosity changes much with little temperature change, it will then have a: a. Low viscosity index b. High pour point c. High carbon residue d. High viscosity index e. Low pour point. - answera Oil additives: a. Should not affect all other characteristics greatly2 b. Will always affect the pour point greatly c. Should be used as little as possible d. Are not a component of most lubrication oil e. Never lose their effect during use of the oil. - answera The two most important functions of lubrication are for the reduction of: a. Friction and wear b. Friction and heat c. Heat and corrosion d. Flash point and fire point e. Pour point and corrosion. - answera The viscosity of oil: a. Is the temperature at which oil will burn b. Will prevent corrosion of bearings c. Determines the ability of the oil to support a load d. Refers to carbon content of the oil e. Is a measure of its ability to freeze. - answerc