Cylinder Lubricating Oil Quiz

What is the primary purpose of cylinder lubricating oil in internal combustion engines?

• To increase fuel efficiency

• To provide lubrication and cooling to cylinder walls and piston rings

• To clean exhaust gases

• To prevent rust on the exterior of the engine

Which of the following is NOT typically a component of cylinder lubricating oil?

• Base Oil

• Additives

• Water

• Viscosity Index Improvers

Where is lube oil typically stored on a ship?

• In the cargo holds

• In dedicated tanks near the engines

• In the bridge

• In the ballast tanks

What is the function of lube oil pumps in the system?

• To cool the oil

• To filter the oil

• To draw oil from storage and deliver it to engine parts

• To add additives to the oil

Why might lube oil pass through an oil cooler before entering engine components?

• To increase its viscosity

• To prevent overheating and ensure effectiveness

• To add contaminants

• To reduce its pressure

Which of the following is an implication of out-of-range parameters in ship lube oil?

• Decreased oil consumption

• Increased engine efficiency

• Increased wear and tear

• Reduced emissions

What can result from oxidation of lube oil at high temperatures?

• Decreased viscosity

• Oil thinning

• Sludge formation and oil thickening

• Improved lubricating properties

Contamination of lube oil can be caused by which of the following?

• Water

• Fuel

• Combustion by-products

• All of the above

What type of deterioration occurs when foreign substances like water, fuel, or dirt contaminate the lube oil?

• Oxidative Deterioration

• Thermal Deterioration

• Contamination-Induced Deterioration

• Viscosity Deterioration

What is an effect of deteriorated lube oil on engine components?

• Decreased friction

• Reduced wear

• Increased engine wear

• Improved stable lubricating film