A new list of the most common words and phrases in the English language in 2013 was overwhelmingly negative. 404 â as in the error message that appears when a web page can't load â and toxic politics both earned top spots, with surveillance, drones and federal shutdown also appearing on the list, from Global Language Monitor.
3. 5 The Internal combustion engine (Otto Cycle) [vw, s & b: 9.13] The Otto cycle is a set of processes used by spark ignition internal combustion engines (2-stroke or 4-stroke cycles).
Four Stroke Cycle Engines. A four-stroke cycle engine is an internal combustion engine that utilizes four distinct piston strokes (intake, compression, power, and exhaust) to complete one operating cycle. The piston make two complete passes in the cylinder to complete one operating cycle.he four-stroke cycle engine is the most common type of small engine. A four-stroke cycle engine completes five Strokes in one operating cycle, including intake, compression, ignition, power, and exhaust Strokes. Intake Stroke. The intake event is when the air-fuel mixture is introduced to fill the combustion chamber.