is a measure of diesel smoke determined by passing the exhaust gas through a white filter paper. The darkening of the paper is determined using a reflectometer, and Bosch numbers are reported on a scale of 1 (clear) to 10 (black). Also see diesel fuel.
is a measure of diesel smoke determined by passing the exhaust gas through a white filter paper. The darkening of the paper is determined using a reflectometer, and Bosch numbers are reported on a scale of 1 (clear) to 10 (black).
Also see diesel fuel.
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