Quiz #01: Lubricating Oil Analysis Team 12 Sep, 2024 Lubrication Quiz 1. Which of the following conditions can lead to oil oxidation in a lubrication system? A) High operating temperatures B) Low oil viscosity C) Low ambient humidity D) Presence of anti-oxidant additives 2. What is the primary function of a demulsifier additive in lubricating oil? A) Separate water from oil B) Improve thermal stability C) Increase oil viscosity D) Prevent acid formation 3. Which test is most commonly used to assess the cleanliness of hydraulic oil? A) Particle Count Analysis B) Karl Fischer Titration C) Viscosity Index Testing D) Fourier Transform Infrared (FTIR) Spectroscopy 4. What does a high concentration of iron in an oil analysis typically indicate? A) Wear from steel components B) Contamination from external sources C) Oxidation of oil D) Coolant leakage 5. Which property of lubricating oil is most affected by the presence of soot contamination? A) Viscosity B) Flash Point C) Pour Point D) Acid Number 6. In a lubricating system, what is the main consequence of prolonged exposure to moisture? A) Corrosion of metal components B) Improved oil lubrication C) Decreased oil viscosity D) Increased oil volatility 7. What is the significance of a high Base Number (BN) in engine oil? A) Indicates strong acid neutralizing capacity B) Signifies excessive water contamination C) Suggests oil has degraded D) Reflects low oil viscosity 8. Which of the following is the most effective method for removing solid contaminants from lubricating oil? A) Filtration B) Centrifugation C) Sedimentation D) Coalescence 9. Which type of lubricant is typically recommended for high-speed spindle applications? A) Low viscosity oil B) High viscosity oil C) Grease D) Water-based lubricant 10. What does an increase in oil viscosity typically indicate during an oil analysis? A) Contamination by heavy fuel or soot B) Presence of water contamination C) High concentration of anti-wear additives D) Reduced operating temperatures Submit
