no, there are no other engines than the ones you can clearly see outside the plane.
Possibly one of the engines that give it power.
Any fixed-wing aircraft with an engine is an airplane. There are different kinds: piston-engine airplanes have piston engines driving propellers, (airplane engines are horizontally-opposed, like the engine in an old Volkswagen), turboprop airplanes have turbine engines with gearboxes that drive propellers, and jet airplanes have turbine engines that move the plane directly. So, factually, a jet is a type of engine on an airplane. However, over time, aircraft with jet engines have often been referred to as "jets."
Airplane engines use jet fuel. Read more, below.
It depends on how many you started out with. If you're flying a plane with one engine and it quits, start looking for a landing area because you need it right now. Twin-engine airplanes also look for a landing area, because if you've only got two and one dies, the other one might do the same thing. If you have three or four, just watch the other engines. And if you're in a B-52 which has eight engines you may not even notice the loss of only one.
Yes they do. All engines are required to have oil changes at regular intervals, depending on the type of engine.
Yes. Airplanes become gliders when the engine fails, and are still very much controllable. Most engine failures result in a safe emergency landing.
Aerobatic airplanes usually have a stronger structural frame, stiffer landing gear, and higher performance powerplants. Aerobatic airplanes are also usually equipped with engines and fuel systems which are specially designed for zero or negative G flight whereas normal aircraft will usually starve the engine of fuel (or worse, oil) during extended low or negative G flight.
Yes; pilots have to be able to use the radio without the engine running and most engines have electric starters so batteries are essential.
When airplanes fly, the exhaust gasses from jet engines go behind the engine and push the airplane forward. When the airplanes land on the runway, the directions of the exhaust gas from the engine is changed so it pushes forward. Instead of making the plane go forward, it starts trying to make the plane go into reverse. As a result, it slows down the airplane. That slows down the airplane much faster than just using the brakes would.
Volcanic ash consists of tiny shards of glass. The ash can clog and damage the engines. In jet engines, the ash can melt and re-solidify as solid glass within the engine.
Airplanes generally use gas (jet fuel) and sometimes the experimental ones use solar power. The fuel powers the engines or engine which make the plane fly. It also powers the lights and other electrical appliances on a n aircraft through the engine.
R. V. Garvin has written: 'Starting something big' -- subject(s): Aircraft engine industry, Airplanes, GE Aircraft Engines (Firm), History, Turbojet engines