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Which consequence arises when cooling lubricating oil in a gearbox with substantial friction?

A)Increased power transmission efficiency occurs
B)Increased gear wear would likely occur
C)Vibration dampening becomes more effective
D)Hydraulic lock in bearings becomes probable

💡 Explanation

Increased gear wear occurs because cooling excessively raises the oil's viscosity, leading to reduced lubrication via increased fluid friction. Thus, the lubricant film diminishes, therefore increasing contact between gear teeth, rather than improving power transmission impacted by other thermal properties.

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