Properties of fluid

Lubrication & Anti-Friction Bearings (Set 1)


Multiple Choice Questions


1. The term "pour point" is defined as the lowest temperature at which lubricating oils will flow ______________.




2. Which of the following statements is used to describe the term "base" in reference to greases?




3. A grease lubricated ball bearing or roller bearing will run cooler if the grease ______________.




4. In a compression type grease cup, the lubricant is forced into the bearing by ______________.




5. Which of the processes listed consumes the greatest amount of power while producing the greatest amount of heat?




6. The packing installed in the pump stuffing box is lubricated by ______________.




7. An organic solid lubricant, such as graphite, is suitable as an oil additive when used in ______________.




8. The best method of fixing a winch motor bearing of the sealed type that is running hot is to ______________.




9. Adsorption filters are not commonly used in steam turbine or diesel engine lubricating systems because they ______________.




10. Although lube oils used in the main lubricating service systems should have a relatively high flash point to avoid ignition, they can create smoke and fire hazards when they ______________.