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The pH range of Coolant is ______(a) equal to or Greater than 7(b) 0(c) 0-5(d) 3-6I have been asked this question in class test.Query is from Coolants topic in section Cooling System of Automotive Engine Design

Answer»

Right answer is (a) equal to or Greater than 7

To elaborate: PH is a scale used to FIND how acidic or basic a given solution is. Acidic solutions have a lower pH, while basic solutions have a higher pH. Coolant OPERATES in neutral or basic CONDITIONS as they should not react with the metals they travel through. So equal to or greater than 7 is preferred.



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