What would be the most likely indication that a plate type jacket water cooler had an internal leak permitting mixing of the two fluids?

Question

Accepted Answer

Dropping level and frequent need to top off jacket water expansion tank.

Answer

Rising level and overflowing of the jacket water expansion tank.

Answer

Drop in concentration of corrosion inhibitor package of jacket water.

Answer

Excessive scale build-up on the various cylinder jacket surfaces.

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