RRB ALP CBT 2 Mechanic Motor Vehicle (MMV) Trade Syllabus 2026, Complete Topic Wise Syllabus & Exam Pattern

Candidates appearing for RRB ALP CBT 2 Part B under Mechanic Motor Vehicle (MMV) Trade should prepare according to the latest ITI Mechanic Motor Vehicle syllabus. The examination covers automobile engineering, engine systems, transmission, braking systems, electrical systems, suspension and vehicle maintenance. Check the complete syllabus and exam pattern below.

RRB ALP CBT 2 MMV Exam Pattern 2026

RRB ALP CBT 2 Mechanic Motor Vehicle Trade Syllabus 2026

1. Workshop Safety

• Industrial Safety Guidelines, Hazard Management & Accident Prevention
• Personal Protective Equipment (PPE) Selection & Standard Uses
• Fire Safety (Classification of Fires & Correct Extinguishers)
• First Aid Practices & Emergency Medical Response steps
• Workshop General Rules & 5S Cleanliness/Housekeeping Concepts

2. Engineering Drawing

• Lines, Lettering, and Standard Automotive Drawing Symbols
• Orthographic Projection (First Angle & Third Angle Layouts)
• Sectional Views & Detailed Layouts of Engine Parts
• Machine Components Drawings & Assembly Sketch Reading
• Limits, Tolerances, and Fits Systems Symbols

3. Measuring Instruments

• Linear Measurements: Steel Rule, Try Square, Outside/Inside Calipers
• Precision Instruments: Vernier Caliper, Outside/Inside Micrometers
• Dial Test Indicator (DTI), Telescopic Gauges, and Bore Gauges
• Feeler Gauge, Screw Pitch Gauges, and Radius Gauges
• Least Count Calculations and Zero Error Adjustments

4. Automobile Engine System

• Working Principles of Petrol (SI) Engines & Diesel (CI) Engines
• Comparison of Two-Stroke and Four-Stroke Engine Cycles
• Engine Components Construction: Cylinder Head, Block, Piston, Connecting Rod, Crankshaft
• Valves & Camshaft Operating Mechanisms (OHV, OHC)
• Engine Nomenclature: Bore, Stroke, Displacement, Compression Ratio

5. Fuel System

• Carburetor Working Principles, Circuits, and Tuning Basics
• Petrol Injection Systems: Multi-Point Fuel Injection (MPFI) Layout
• Diesel Fuel Supply Circuit: Fuel Feed Pump and Injection Pump (FIP)
• Fuel Filters (Primary and Secondary) & Injector Nozzle Testing
• Electronic Fuel Injection (EFI) and Common Rail Direct Injection (CRDI) Basics

6. Lubrication and Cooling System

• Engine Lubrication Methods (Splash, Pressure, and Wet Sump Systems)
• Engine Oil Properties, Grades (SAE Ratings), and Selection
• Oil Pumps, Pressure Relief Valves, and Filtration Circuits
• Air Cooling vs Liquid/Water Cooling System Layouts
• Radiator, Pressure Cap, Water Pump, Thermostat Valve, and Antifreeze Coolants

7. Transmission System

• Clutch Types (Single Plate, Multi-Plate, Diaphragm) & Fault Diagnosis
• Manual Transmission / Gear Box (Constant Mesh, Synchromesh Layouts)
• Propeller Shaft, Universal Joints, Slip Joints, and Center Bearings
• Differential Assembly Construction & Working Principles
• Final Drive and Rear Axle Layouts

8. Braking System

• Mechanical Brakes Layout & Component Links
• Hydraulic Brakes System Working, Master Cylinder, and Wheel Cylinders
• Disc Brake vs Drum Brake Assemblies Construction
• Brake Bleeding Procedures & Power Brakes (Vacuum Assisted)
• Anti-lock Braking System (ABS) Basics & Electronic Stability Control

9. Steering and Suspension

• Steering Gear Box Types (Rack & Pinion, Re-circulating Ball Type)
• Hydraulic and Electronic Power Steering Systems
• Suspension System Types (Rigid Axle, Independent Suspension, Coil/Leaf Springs)
• Shock Absorbers (Telescopic Type) Working
• Wheel Alignment Parameters (Camber, Caster, Toe-in, Toe-out) & Wheel Balancing

10. Automotive Electrical System

• Lead Acid Battery Construction, Charging Methods, and Hydrometer/High-rate Discharge Tests
• Starter Motor Construction, Drive Mechanisms, and Solenoid Switch
• Alternator Working, Rectification, and Voltage Regulators
• Vehicle Lighting Circuit, Horns, Wiper Motors, and Dashboard Indicators
• Basic Auto-Wiring, Colour Codes, Fuses, and Relays

11. Vehicle Maintenance & Modern Systems

• Preventive, Scheduled, and Breakdown Maintenance Routines
• Common Engine Faults: Overheating, Poor Fuel Mileage, Abnormal Smoke Emission
• Vehicle Troubleshooting using Scan Tools and Diagnostic Trouble Codes (DTC)
• Garage Practices, Wheel Tyre Rotation, and Vehicle Jacking/Lifting
• Overview of Airbags, Seat Belts, and Emission Control Norms (BS-VI Basics)

12. Engineering Materials

• Ferrous Metals (Cast Iron, Carbon Steels, Alloy Steels)
• Non-Ferrous Metals & Automobile Bearing Alloys
• Heat Treatment Processes (Annealing, Hardening, Case Hardening/Carburizing)
• Mechanical Properties of Materials used in Vehicle Manufacturing

Preparation Tips for MMV Trade

• Master Engine & Fuel Systems: Focus deeply on 4-stroke engine components, valve timing, and MPFI/CRDI electronic injection systems.
• Understand Under-Chassis Systems: Pay high attention to Hydraulic brakes, ABS components, Steering linkages, and Wheel alignment angles.
• Revise Auto-Electricals: Learn alternator circuit testing, battery maintenance parameters, and starter motor switching.
• Solve Trade PYQs: Regularly solve previous year RRB ALP MMV trade question papers to manage speed and accuracy.

RRB ALP CBT 2 MMV Trade FAQ

Q1. How many questions are asked in RRB ALP CBT 2 MMV Trade?
A. A total of 75 objective-type multiple-choice questions (MCQs) are asked in Part B.

Q2. Is Part B qualifying in nature?
A. Yes, Part B (Trade Test) is strictly qualifying in nature. Its marks won't impact the merit listing, but passing it is mandatory.

Q3. What are the minimum qualifying marks for MMV Trade?
A. All candidates must secure at least 35% marks, which translates to scoring minimum 26.25 marks out of 75.

Q4. Is there negative marking in CBT 2 MMV paper?
A. Yes, a negative marking penalty of 1/3rd mark applies for every incorrect answer.

Q5. What are the most important topics in the MMV Trade syllabus?
A. IC Engines, Fuel Injection (MPFI/CRDI), Gearboxes & Differential, Hydraulic Brakes & ABS, Wheel Alignment, and Battery Testing.