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2. Engine knocking - Wikipedia

   en.wikipedia.org/wiki/Engine_knocking

   In spark-ignition internal combustion engines, knocking (also knock, detonation, spark knock, pinging or pinking) occurs when combustion of some of the air/fuel mixture in the cylinder does not result from propagation of the flame front ignited by the spark plug, but when one or more pockets of air/fuel mixture explode outside the envelope of the normal combustion front.

3. Dieseling - Wikipedia

   en.wikipedia.org/wiki/Dieseling

   The ignition source of a diesel engine is the heat generated by the compression of the air in the cylinder, rather than a spark as in gasoline engines. The dieseling phenomenon occurs not just because the compression ratio is sufficient to cause auto-ignition of the fuel, but also because a hot spot inside the cylinder (spark plug electrode ...

4. Malleable Iron Range Company - Wikipedia

   en.wikipedia.org/wiki/Malleable_Iron_Range_Company

   These furnaces were designed to be connected to existing furnaces as a supplementary, or replacement, heat source for oil. However, by 1979 oil was again plentiful and new local ordinances were commonly prohibiting the burning of wood and coal.

5. Antiknock agent - Wikipedia

   en.wikipedia.org/wiki/Antiknock_agent

   The mixture known as gasoline or petrol, when used in high compression internal combustion engines, has a tendency to knock (also called "pinging" or "pinking") and/or to ignite early before the correctly timed spark occurs (pre-ignition, refer to engine knocking).

6. Wet stacking - Wikipedia

   en.wikipedia.org/wiki/Wet_stacking

   Cold weather running or other causes that prevent the engine from reaching proper operating temperature can cause a buildup of fuel due to incomplete burn that can result in 'wet stacking'. [2] [3] In diesel generators, it is usually because the diesel engine is running at only a small percentage of its rated output. For efficient combustion, a ...

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as compared to a mid-efficiency forced-air or forced-draft furnace, is the capture of latent heat from the exhaust gases in the secondary heat exchanger.

9. High-temperature corrosion - Wikipedia

   en.wikipedia.org/wiki/High-temperature_corrosion

   High-temperature corrosion is a mechanism of corrosion that takes place when gas turbines, diesel engines, furnaces or other machinery come in contact with hot gas containing certain contaminants. Fuel sometimes contains vanadium compounds or sulfates, which can form low melting point compounds during combustion.