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WorksheetsLubricants quiz
Total questions: 10
Worksheet time: 5mins
What is the main purpose of a lubricant in machinery?
To increase friction
To reduce wear and tear
To conduct electricity
To add weight to components
Which type of lubricant is most suitable for high-temperature applications?
Water-based lubricant
Synthetic oil
Vegetable oil
Graphite powder
What is the primary function of a lubrication system in an engine?
To provide power
To cool the engine
To minimise friction and wear
To increase fuel efficiency
Which of the following is an example of a solid lubricant?
Silicone oil
Grease
Graphite
Mineral oil
What property of a lubricant determines its resistance to flow?
Density
Viscosity
Thermal conductivity
Flash point
Why is it important to regularly replace or replenish lubricants in machinery?
To prevent rust formation
To avoid fuel contamination
To maintain optimal performance
To increase the weight of the machine
What is the role of additives in lubricants?
To improve the appearance of the lubricant
To enhance the lubricant’s properties
To reduce the cost of the lubricant
To increase the volume of the lubricant
Which component in a lubrication system stores the lubricant?
Pump
Bearing
Reservoir
Gearbox
Which of the following is a disadvantage of using grease as a lubricant?
It is difficult to apply
It cannot withstand high temperatures
It is less effective in reducing friction
It can attract dust and debris
Why is it important to ensure the correct viscosity of lubricant in a system?
To prevent over-lubrication
To ensure proper flow and protection
To reduce the risk of rust
To improve the appearance of machinery
