Power Engineering ABSA 4B (Panglobal 4th Class ABSA study set) Questions With 100% Correct Answers.

Power Engineering ABSA 4B (Panglobal 4th Class ABSA study set) Questions With 100% Correct Answers. After a bearing has been removed for cleaning, it should be soaked for a period of _____ hours in clean solvent. A) 12 to 16 B) 12 to 14 C) 14 to 16 D) 10 to 12 E) 15 to 16 A If an oil's viscosity changes a great deal with little temperature change, it will then have a: A) High pour point B) High carbon residue C) High viscosity index D) Low pour point E) Low viscosity index E Oil additives: A) Never lose their effect during use of the oil B) Are not a component of most lubrication oil C) Should be used as little as possible D) Should not affect all other characteristics greatly E) Will always affect the pour point greatly D In a bearing, the lubricant reduces the heat produced by: A) Shock absorption B) Wear reduction C) Proper sealing D) Friction reduction E) Corrosion reduction D The kind of grease used for heavily loaded machinery operating at slow speeds is the: A) Mixed base grease B) Sodium base grease C) Calcium base grease D) Acid base grease E) Specialty grease E A multi-stage pump would be used when: A) A greater volume must be pumped B) The lift is great C) The head is great