What is firing order of an engine...?

Firing order is the sequence in which the cylinder delivers its power stroke. On the other hand, Firing order is the configuration of either plug wires or diesel injectors the way they are set and each engine type has it's own

What is this Octane number or RON (Research Octane Number)?

Octane is the hydrocarbon constituent contained in gasoline fuels . as well as It is a colorless liquid that boils at about 125 ° C (260 ° F). Isooctane, a component of this octane component, is used as a reference number for determining gasoline or LPG fuel standards to resist self-combustion. 

How is the battery charged when the car is started

The alternator converts mechanical energy that is generated by the engine into electrical energy that is used to charge the battery and to power the vehicle's electronic devices

An alternator that works like a generator, it uses rotational force to generate energy, it is attached to the engine pulleys by a belt, so as the engine starts running, it also runs then it sends the generated power to the battery for a charge.it has a stator coil, a rotor and a diode

What causes black smoke comes from engine

when you start your engine then you press the pedal down you will see black smoke and then it will cut off it is just a rich mixture but if when driving a black smoke is out just know that fuel is not completely burnt due to blow-by which is caused by worn-out piston rings or worn-out liners. the remedy is to replace the piston rings if the liners are ok.

Turbocharger :
is mechanical equipment used to increase the power of the engine through increasing the amount of air in the engine cylinder

Anti-lock braking system

Anti-lock braking system helps in locking all the wheels when a car stops at once and it turns easily on a sharp corner

Especially when we use emergency breaks, and vehicles are not going to disbalancing