Ignition coil
Spark plug
Carburetor
Fuel injector
Fuel pump
Governor
To reduce mass of the engine per brake power
To reduce space occupied by the engine
To increase the power output of an engine when greater power is required
All of the above
F.P = B.P - I.P
F.P = I.P - B.P
F.P = B.P / I.P
F.P = I.P / B.P
Mechanical efficiency
Overall efficiency
Indicated thermal efficiency
Volumetric efficiency
