Question 15
 (a) Identify the type of fuel supply system  shown in the sketch above
           (b) Name the parts labelled R, S, T,  U and V.
           (c) State:
                (i) two merits of the unit;
                (ii) one demerit of the unit.
           (d) List two other types of fuel supply  system.
    
Observation
Solution
- Gravity feed system
- R: Air cleaner
S: Carburettor
      T: Fuel Filter/Filter top
      U:Tap
      V:Tank
      
      (c).
      (i)  Merits of the system
It  is easily accessible. 
      It is easy to maintain.
      It does not need fuel pump.
      It flows freely.
(ii) Demerits of the system
It has high risk of fire.
      It occupies large space in a vehicle. 
      It is prone to leakage.
  
      (d)     Other types of supply system
      Engine  driven pump feed fuel system (Mechanically operated pump feed fuel system)
      Pump feed fuel system (Electrically operated  pump feed fuel system)
      Fuel injection system
