It can have any number of engines of as many different types as needed.
For example the B-36 bomber was originally designed with six radial 28 cylinder piston engines driving pusher propellers. Later four small jet engines were added, making it the airplane with the most engines of any mass-produced aircraft ever built.
For some airplanes optional jet-assisted takeoff or rocket-assisted takeoff drop away engines can be added for increased thrust at takeoff without extra weight of those engines while in the air in normal flight.
Some have a single engine, some have two engines, some have more.
It can have one or multiple engines.
There are many manufacturers of aeroplane or airplane engines. The leading manufacturers of airplane, aeroplane, or jet engines are Boeing, General Electric, and Pratt & Whittney.
Birds flap their wings while aeroplane do not flap their wings. aeroplane uses engines
It depends what engines it has.
There is no fan present at the back of an aeroplane. Just jet engines are present on the wings of an aeroplane.
Aeroplane is a general term for any type of flying aircraft. A jet plane is one that is powered by jet engines.
A variation of Aviation Turbine Fuel has always been used in turbine engines. Variations of gasoline have always been used in aircraft with piston engines.
biplane
There were two, the zeppelin bobing and the two aeroplane raids.
tank, aeroplane
An aeroplane with two pairs of wings, one above the other.
an aeroplane with two pairs of wings is called a biplane
Rankin Kennedy has written: 'Modern engines and power generators' -- subject(s): Power (Mechanics), Motors, Engines 'Flying machines: practice and design' 'The principles of aeroplane construction' -- subject(s): Airplanes