PM has various meanings in the Study category. Discover the full forms, definitions, and usage contexts of PM in Study.
Particles formed by incomplete combustion of fuel. Compression ignition (diesel) engines generate significantly higher PM emissions than spark ignited engines. The particles are composed of elemental carbon, heavy hydrocarbons (SOF), and hydrated sulfuric acid.
StudyA drawing prepared for use in building a ship. Chart covering a small area on a very large scale There is n distortion, relative distances and positions being maintained
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