When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Pediatric Symptom Checklist - Wikipedia

    en.wikipedia.org/wiki/Pediatric_Symptom_Checklist

    Examples of statements include "feels he or she is bad", "teases others", and "is distracted easily". The questionnaire takes 3–5 minutes to complete. [4] The original study of the PSC focused on children between 6 and 12 years old, but the checklist has been studied and validated in all age groups between 4 and 16 years. [5] [6] [7]

  3. Firing order - Wikipedia

    en.wikipedia.org/wiki/Firing_order

    For this inline-4 engine, 1-3-4-2 could be a valid firing order.. The firing order of an internal combustion engine is the sequence of ignition for the cylinders.. In a spark ignition (e.g. gasoline/petrol) engine, the firing order corresponds to the order in which the spark plugs are operated.

  4. Pre-ignition - Wikipedia

    en.wikipedia.org/wiki/Pre-ignition

    Pre-ignition (or preignition) in a spark-ignition engine is a technically different phenomenon from engine knocking, and describes the event wherein the air/fuel mixture in the cylinder ignites before the spark plug fires.

  5. Engine balance - Wikipedia

    en.wikipedia.org/wiki/Engine_balance

    An early example is the 3.3 L (200 cu in) and 3.8 L (229 cu in) Chevrolet 90° V6 engines, which have an 18° offset crankshaft resulting in an uneven firing interval. Newer examples, such as the Honda C engine , use 30° offset crank pins, resulting in an even firing interval.

  6. Check engine light - Wikipedia

    en.wikipedia.org/wiki/Check_engine_light

    The light generally [3] has two stages: steady (indicating a minor repairable fault, but service on the vehicle is strongly recommended as soon as possible to prevent future damage) and flashing (indicating a severe fault and an emergency that makes the vehicle unsafe to drive and it is strongly recommended that the vehicle gets mechanical ...

  7. Straight-three engine - Wikipedia

    en.wikipedia.org/wiki/Straight-three_engine

    Circa-1960 Saab two-stroke engine 2010 Suzuki K10B engine. Among the first cars to use a straight-three engine is the 1953–1955 DKW F91, powered by a 900 cc (55 cu in) two-stroke engine, although this was predated by the 3 cylinder 15hp Rolls Royce produced in 1905 and a number of other cars of this era also used 3 cylinder engines.

  8. Lean-burn - Wikipedia

    en.wikipedia.org/wiki/Lean-burn

    The lean-burn versions of the 1587cc 4A-FE and 1762cc 7A-FE 4-cylinder engines have 2 inlet and 2 exhaust valves per cylinder. Toyota uses a set of butterflies to restrict flow in every second inlet runner during lean-burn operation.

  9. Preadolescence - Wikipedia

    en.wikipedia.org/wiki/Preadolescence

    Generally, the term is restricted to those close to reaching age 13, [1] especially ages 9 to 12. [3] Tween is an American neologism and marketing term [10] for preteen, which is a blend of between and teen. [9] [11] People within this age range are variously described as tweens, preadolescents, tweenies, preteens, pubescents, middle schoolers ...