Which of the following is a consequence of water contamination in lubricants?

Water contamination in lubricants can lead to a variety of negative effects, and one significant consequence is the thickening of the lubricant. When water is introduced into the lubricant, it can cause emulsification, where the water and oil mix to form an emulsion. This process typically alters the physical properties of the lubricant, resulting in an increase in viscosity, or thickening. A thicker lubricant can hinder its ability to flow smoothly within machinery, making it less effective at reducing friction and wear, which can in turn affect the performance and longevity of machinery components.

Understanding the implications of water contamination is essential for maintaining optimal lubricant performance and ensuring the reliability of mechanical systems. In this case, thickening is a clear consequence that can raise concerns regarding operational efficiency and equipment health.