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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.
Not sure when the car you rely on is about to give up the ghost? Check for these sometimes hidden warning signs so you can figure out your next steps. Never Ignore These Warning Signs From Your Car
Vehicles house multiple potential sources of ignition including electrical devices that may short circuit, hot exhaust systems, and modern car devices such as air bag detonators. [ citation needed ] It is often the case in accidental auto fires that the bulk of the fire is (at least initially) contained in the engine compartment of the vehicle.
This is an accepted version of this page This is the latest accepted revision, reviewed on 14 January 2025. This is a list of onomatopoeias, i.e. words that imitate, resemble, or suggest the source of the sound that they describe. For more information, see the linked articles. Human vocal sounds Achoo, Atishoo, the sound of a sneeze Ahem, a sound made to clear the throat or to draw attention ...
A flooded engine is an internal combustion engine that has been fed an excessively rich air-fuel mixture that cannot be ignited. [1] This is caused by the mixture exceeding the upper explosive limit for the particular fuel. An engine in this condition will not start until the excessively rich mixture has been cleared. [2]
The TVR Cerbera is an example of a car with factory-fitted sports exhausts which produce frequent backfires on engine braking. In high-powered supercharged aircraft piston engines such as the Rolls-Royce Merlin and Griffon , backfiring into the inlet manifold is prevented with flame traps inside the manifold, the traps preventing the flame ...
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The signs were fairly simple in nature, consisting of an illuminated board with "DANGER" in white letters on a red field. [1] An arrow was added to draw attention to the danger if it was less obvious. Signs indicating exits, first aid kits consisted of a green board, with white letters. The goal with signs was to inform briefly. [1]