Engine Technology KNEC notes

Engine Technology


The course module is designed to equip the trainees with knowledge, skills and attitudes that will enable them carry out general maintenance and reconditioning vehicle engines.

The graduate of this module will be able to work in the formal and vehicle industry as a competent technician in vehicle service and maintenance.



  • Types of Engines
  • Construction
  • Combustion chamber designs
  • Engine balancing


  • Terminologies
  • Lubricants
  • Methods of lubrication
  • Lubrication components


  • Types of cooling systems
  • Air cooled
  • Liquid cooled
  • Cooling system components

S.I. fuel systems

  • Layout
  • Simple carburettor
  • Methods of mixture correction
  • Constant choke carburettor
  • Variable choke carburettor
  • Manifold designs
  • Air cleaners
  • Silencers
  • Petrol injection systems
  • Fuel pumps
  • Liquefied petroleum gas
  • (2PG)
  • Cold starting devices
  • Emission control

C.I. fuel system

  • Layout
  • Injector pump
  • Inline pump
  • DPA pump
  • Governors
  • Pressure time injection
  • System
  • Electronic diesel injection
  • System
  • Cold start devices
  • Supercharging

Special Engines

  • Rotary engine
  • Striving engine
  • Gas turbine engine
  • Hybrid engine
  • Solar engine
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