ENGINE AUXILIARY SYSTEM
1. What is carburetor?
The carburetor is a device used for atomizing and vaporizing
the fuel and mixing it with the air in varying proportions to suit the changing
operating conditions of vehicle engines.
2. What is meant by carburetion?
process of breaking up and mixing the fuel with the air is called carburetion.
3. Define the terms vaporization and
is a change of state of fuel from a liquid to a vapor.
Atomization is a mechanical breaking up of the liquid into small
particles so that every minute particle of the fuel is surrounded by the air.
4. What does a mixing chamber do?
The mixing chamber has two butterfly valves. One is to allow
air into the mixing chamber and known as choke valve. The other is to allow
air- fuel mixture to the engine and known as throttle valve.
Mention the different circuits involved in solex
Idle and low speed circuit
Normal running circuit
Give few models of zenith carburetor.
Zenith VE type carburetor
Zenith stromberg carburetor
Zenith 30 VIG II carburetor
Zenith NV type carburetor
Zenith DBE type carburetor
Zenith WIA type carburetor etc.
the carburetor trouble shooting according to poor engine pickup.
State the important units of electric fuel
Fuel delivery system
Air induction system
Sensors and air flow control system
Electronic control unit
List any two batteries used in automobiles.
Lead acid battery
Define battery life.
The duration of the battery is up to the discard from starting
of operation in any places.
List the factors affecting the battery life.
is the process of discharging and charging of the battery.
Name the two types of alkaline battery.
What is the purpose of Cut-out relay?
prevents the reverse flow of current from the battery to the generator.
does generator and motor do?
generator converts mechanical energy into electrical energy whereas the motor
converts electrical energy into mechanical energy.