The Case of the Overeager Pump
THE MYSTERY The freshwater division of a municipal water works complained that one of three pumps at a lift station was running constantly, causing the hydrostatic chamber to drain empty. This, in turn, caused the other pumps to come on, and eventually put so much pressure on the system that the pipes burst. The system was only rated for 93 psi, but with the other pumps running the pressure shot up to 130 psi.
The Case of the Transplanted Oven
THE MYSTERY An aircraft company purchased a large used oven and had it moved to their location. They set up the oven and lit it, but it would not stay lit. The customer removed duct work and replaced the burner, but the oven still refused to stay lit. THE CLUES...The Case of the Salt Bath Burner Gone Bad
THE MYSTERY A local company had a power failure during the night. They have a large salt bath with two burners. One burner relit automatically but the second would not relight — and upon manual relighting would not stay lit.
The Case of the Mysterious Flame Rod
THE MYSTERY A paint bake oven for a plating company would quit burning at random. The sensor in the flame rod was reporting no contact with fire