- C4 AC Motor
- C4 AC Starters
- C4 Batteries & Emcy power supplies
- C4 Bearings
- C4 Bilge , OWS , ORB
- C4 Compressed air system
- C4 Control system
- C4 Cooling system & FWG
- C4 COSWP
- C4 Crankcase & OMD
- C4 Cylinder head
- C4 Dry – dock
- C4 Duties & watch keeping
- C4 Electric distribution
- C4 Electric safety & maintenance
- C4 Emergency preparedness & drills
- C4 Emission control
- C4 Enclosed space
- C4 Engine construction & working
- C4 Engine cycle
- C4 Engine performance
- C4 Engine protection
- C4 Fire
- C4 Fuel oil & system
- C4 Fuel pump & injector
- C4 Generator & circuit protection
- C4 Introduction
- C4 ISM
- C4 ISPS
- C4 Life saving appliance
- C4 Lubrication oil & system
- C4 M- Notice
- C4 MARPOL
- C4 Materials
- C4 Others
- C4 Propeller, shafting & thrusters
- C4 PSC
- C4 Pumps & system
- C4 Purifiers & system
- C4 Regulations
- C4 Scavenge fire
- C4 Scavenging & Turbocharger
- C4 SCBA & EEBD
- C4 Sewage system
- C4 SMS
- C4 Starting & control
- C4 STCW
- C4 Steering & stabilizers
- C4 Trouble-shooting
- C4 Water treatment
- C4 WHRS & Boiler
Class 4 Oral Topic
UKM Tuticorin 