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Questions and Answers
Which of the following is NOT a function of a lubricant?
Which of the following is NOT a function of a lubricant?
- Blocking contaminants
- Preventing corrosion
- Increasing pressure (correct)
- Reducing friction
What is the main purpose of a lubricant?
What is the main purpose of a lubricant?
- To cause corrosion
- To cool down moving surfaces
- To separate metal parts (correct)
- To increase friction
Which type of lubricant is useful for hydraulic equipment?
Which type of lubricant is useful for hydraulic equipment?
- Petroleum oil
- Mineral oil
- Paraffinic oil (correct)
- Naphthenic oil
What happens to a good lubricant under pressure?
What happens to a good lubricant under pressure?
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Which type of lubricant has a low pour point and is good for most applications?
Which type of lubricant has a low pour point and is good for most applications?
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