Sometimes 'No' Is the Right Answer

Robinson, Kenneth E.
March 2010
Heating/Piping/Air Conditioning Engineering;Mar2010, Vol. 82 Issue 3, p16
The article presents the author's experience of being asked to design a ventilation system to remove the smoke and haze in the crankshaft grinding area wherein a water and soluble-oil solution was used for cooling. He states that his answer was no and explained that the tramp hydraulic oil that leaked out of the production machines resulted to the haze and odor that filled the room. He discusses the determinations of the tramp oil percentage in the solution that should be made to reduce costs.


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