Quiz #05: Lubricants & Lubrication (1) Team 14 Sep, 2024 Lubrication Quiz 1. Which factor primarily determines the viscosity of a lubricant at a given temperature? A) Additive package B) Base oil type C) Presence of contaminants D) Flash point 2. What is the primary purpose of an anti-foam additive in lubricants? A) To enhance the viscosity B) To prevent oxidation C) To reduce foam formation D) To increase thermal stability 3. What type of lubrication system uses an oil mist to lubricate bearings and other components? A) Splash lubrication B) Oil bath lubrication C) Circulating oil lubrication D) Oil mist lubrication 4. Which test is commonly used to determine the water content in lubricating oil? A) Total Acid Number (TAN) B) Fourier Transform Infrared (FTIR) Spectroscopy C) Karl Fischer Titration D) Viscosity Index Test 5. What does a high Total Acid Number (TAN) in a lubricant typically signify? A) Excellent lubrication properties B) Low oxidation levels C) High levels of acidity or oxidation byproducts D) Good anti-wear performance 6. What is the main disadvantage of over-greasing a bearing? A) Increased friction and heat generation B) Improved bearing life C) Enhanced cooling D) Reduced noise 7. Which type of lubricant is most suitable for food-grade applications? A) Mineral oil B) Synthetic oil C) Grease with lithium complex thickener D) H1-rated food-grade lubricant 8. Which property of a lubricant is directly affected by the presence of water contamination? A) Viscosity B) Color C) Density D) Volatility 9. What is the primary reason for using biodegradable lubricants in environmentally sensitive areas? A) Lower cost compared to synthetic lubricants B) Enhanced high-temperature stability C) Reduced environmental impact in case of leakage D) Better performance under heavy loads 10. Which lubrication method is typically used in high-load, low-speed gear applications? A) Oil splash lubrication B) Grease lubrication C) Mist lubrication D) Dry lubrication Submit
