WAEC Physics 2012 Objective — Question 5
Question 5 of 50 from the West African Examinations Council (WAEC) Physics 2012 Objective paper, with the correct answer and a full explanation.
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The property of a fluid that is used to determine its suitability as a lubricant is its
- A. A. capillarity
- B. B. viscosityCorrect
- C. C. surface tension
- D. D. relative density
Explanation
Viscosity is the frictional force between adjacent layers of a fluid; it determines a fluid's suitability as a lubricant.
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