Candidates with matriculation as the basic qualification and having completed Diploma in Electrical/ Electronic from any Industrial training institutes approved by NCVT/SCVT can apply for Technician GR III Diesel (Mechanical) position in Railways. Selection to the position is done through a written test conducted by Railway Recruitment Board (RRB). Syllabus for the written exam comprises questions to test the Technical Ability, Arithmetic Ability, General Intelligence, etc of the candidate.

Detailed Syllabus for RRB written Test for Diesel Mechanic

Candidates can expect diploma level questions in the written test. There will be objective type multiple choice questions. Questions will be asked from topics such as

• General Awareness
• General Intelligence
• Arithmetic Ability
• Reasoning Ability
• Technical Ability

Technical sections will have questions from syllabus prescribed for Diploma courses in Industrial Training Institutes. Questions will be asked from the following topics.

• Hand tools Used in Carpentry Shops and its Use
• Knowledge to wooden fabrication methods
• Nomenclature and Working Introduction and Application of Machine and Machine Tools
• Introduction to paints & polish material
• Hand tools
• Introduction to Drilling Machine
• Essential tools used for sheet metal
• Advantages and limitations of sheet metal work at cold process
• Study & use of Hand Tool used in plumbing shop
• Introduction to welding
• Resistance Welding
• Arc Welding machine, and composition of welding electrodes
• Principle of electrolysis
• Lathe Machine
• Threading and knurling tools
• Various milling machine operation
• Working principle & operation of surface grinder and cylindrical grinder
• Basic concept & operation on CNC Technology
• Construction detail of CNC mechanism
• Application of electromagnetic induction
• Basic atomic structure Electro emission classification of materials
• Conductivity and Resistively
• Construction, working, error advantage and disadvantage of Electrodynamometer
• Different types of solders fluxes
• Electrolysis and laws of electrolysis
• Electromagnetic Induction
• Faraday’s law
• Injunction moulds and molding
• Insulating material used in winding
• Introduction to die casting
• Letters sign and symbols used in electrical technology
• Magnets, their types, shapes, properties
• Method of magnetization
• Ohm’s law and its application
• Plastic Technology Source
• Principle and construction working of Galvanometers
• Resistance
• Safety Precaution and first aid, Care & Maintenance of hand tools
• Structure of plastic material
• Types of galvanometer and their construction
• Types of resistances and concept of resistance color code
• Wheatstone bridge
• Wiring concept

Apart from these, candidates can expect questions from basic Mathematics, algebra, trigonometry and data interpretation in Numerical ability. Questions will be asked to evaluate candidate’s command over written communication skill and English Language. In addition to this, there will be questions from logical and verbal reasoning. General awareness section will contain questions from current affairs with special focus on Indian railways and general knowledge.