Why is the machine function well with lubricant? – McqOptions

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1.	Why is the machine function well with lubricant?
A.	Lubricant induces inertia of the machine
B.	Because of viscosity of the lubricant
C.	Because of surface tension of the lubricant
D.	Lubricant removes moisture
Answer» C. Because of surface tension of the lubricant

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