A heat engine
The word "engine" derives from Old French engin, from the Latin ingenium?the root of the word ingenious. Pre-industrial weapons of war, such as catapults, trebuchets and battering rams, were called "siege engines", and knowledge of how to construct them was often treated as a military secret. The word "gin", as in "cotton gin", is short for "engine". Most mechanical devices invented during the industrial revolution were described as engines?the steam engine being a notable example. However, the original steam engines, such as those by Thomas Savery, were not mechanical engines but pumps. In this manner, a fire engine in its original form was merely a water pump, with the engine being transported to the fire by horses.
In modern usage, the term engine typically describes devices, like steam engines and internal combustion engines, that burn or otherwise consume fuel to perform mechanical work by exerting a torque or linear force (usually in the form of thrust). Examples of engines which exert a torque include the familiar automobile gasoline and diesel engines, as well as turboshafts. Examples of engines which produce thrust include turbofans and rockets.
When the internal combustion engine was invented, the term "motor" was initially used to distinguish it from the steam engine?which was in wide use at the time, powering locomotives and other vehicles such as steam rollers. "Motor" and "engine" later came to be used interchangeably in casual discourse. However, technically, the two words have different meanings. An engine is a device that burns or otherwise consumes fuel, changing its chemical composition, whereas a motor is a device driven by electricity, air, or hydraulic pressure, which does not change the chemical composition of its energy source.3 However, rocketry uses the term rocket motor, even though they consume fuel.
A heat engine may also serve as a prime mover?a component that transforms the flow or changes in pressure of a fluid into mechanical energy.4 An automobile powered by an internal combustion engine may make use of various motors and pumps, but ultimately all such devices derive their power from the engine. Another way of looking at it is that a motor receives power from an external source, and then converts it into mechanical energy, while an engine creates power from pressure (derived directly from the explosive force of combustion or other chemical reaction, or secondarily from the action of some such force on other substances such as air, water, or steam).5
Devices converting heat energy into motion are commonly referred to simply as engines.6
The car gives us the convenience and comfort, which is why it is important that a fit whenever we need. Everyone knows perfectly well that the car crash often occurs when exactly we urgently need to use it, which makes us a lot of problems. It is best to avoid such situations, of course, helped us to regular inspection, but if you even though you are a failure, you should respond as soon as possible. What should we do in such a situation? Usually the quickest and most effective method is to return the vehicle to be repaired. So we must then find a good workshop, which will provide us with quality service and guarantee that our car quickly back on the road in good condition.
Is it worth it to give the car to a mechanical plant?
Repair workshop? This is certainly the most popular way to deal with technical problems on our cars. But we can always be sure that the repair goes as it should, and does not appear at this unforeseen problems? Of course not. That is why we should always use a reputable, proven workshop, which will guarantee us that made their work will be reliable and safe for our car. Only such places can make our car back on the road quickly, so sometimes you might even want to pay more for a decent service than to give yourself additional problems.