RRB ALP CBT 2 Turner Trade Syllabus 2026, Complete Topic Wise Syllabus & Exam Pattern

Candidates appearing in RRB Assistant Loco Pilot (ALP) CBT 2 Part B with Turner Trade should prepare according to the latest ITI Turner syllabus. The examination mainly focuses on lathe machine operations, cutting tools, measuring instruments, engineering drawing and workshop technology. Check the complete syllabus and exam pattern below.

RRB ALP CBT 2 Turner Exam Pattern 2026

RRB ALP CBT 2 Turner Trade Syllabus 2026

1. Workshop Safety

• Industrial Safety Guidelines & Accident Prevention Methods
• Workshop General Rules & Regulations
• Fire Safety (Classification of Fires & Extinguishers)
• First Aid Procedures & Emergency Management
• Personal Protective Equipment (PPE) Usage

2. Engineering Drawing

• Lines, Lettering, and Standard Symbols
• Orthographic Projection (First & Third Angle)
• Sectional Views & Representation of Machine Parts
• Isometric Drawing and Freehand Sketching
• Limits, Tolerances, and Fits Systems

3. Measuring Instruments

• Linear Measurements: Steel Rule, Try Square, Outside/Inside Calipers
• Precision Instruments: Vernier Caliper, Outside & Inside Micrometers
• Dial Test Indicators (DTI) & Lever Type Indicators
• Height Gauges and Depth Gauges (Vernier/Digital)
• Special Gauges: Feeler Gauge, Radius Gauge, Thread Pitch Gauges

4. Lathe Machine & Fundamental Operations

• Construction, Specifications, and Types of Centre Lathes
• Lathe Accessories & Work Holding Devices (Chucks, Face Plate, Mandrels, Steadies)
• Facing Operation & Alignment of Centers
• Straight Turning, Step Turning, and Shoulder Operations
• Form Turning and Knurling Operations

5. Taper Turning

• Tailstock Offset Method & Calculations
• Compound Rest Swiveling Method
• Taper Turning Attachment Working Principle
• Mathematical Calculations of Taper Ratios and Angles

6. Thread Cutting & Measurement

• External and Internal Threading Operations on Lathe
• Metric Threads, British Standard Threads (BSW, BSF), and Square Threads
• Acme, Worm, and Buttress Thread Specifications
• Multi-start Thread Cutting Principles
• Thread Measurement Methods (Screw Pitch Gauge & Three-Wire Method)

7. Drilling, Boring and Reaming

• Drilling Operations on Lathe & Drill Bit Geometry
• Boring Operations (Counter Boring, Straight Boring)
• Reaming (Hand and Machine Reamers Application)
• Countersinking, Counterboring, and Spot Facing

8. Cutting Tools & Metallurgy

• Single Point Cutting Tool Geometry (Clearance, Rake, and Lip Angles)
• Tool Materials (High-Speed Steel (HSS), Carbides, Ceramics, Diamond)
• Tool Grinding Principles on Bench Grinders
• Cutting Speed, Feed Rate, and Depth of Cut Calculations

9. Grinding and Finishing Processes

• Grinding Wheels Selection and Code Standard Marking
• Wheel Dressing, Truing, Glazing, and Loading Remedies
• Surface Finishing Standards & Roughness Values
• Polishing and Lapping Basics for High Precision

10. Engineering Materials

• Ferrous Metals (Cast Iron, Wrought Iron, Carbon Steels)
• Non-Ferrous Metals & Practical Technical Alloys
• Heat Treatment Processes (Annealing, Normalizing, Hardening, Tempering)
• Physical and Mechanical Properties of Engineering Metals

11. Workshop Technology & Core Processes

• Welding Basics (Arc Welding & Gas Welding Safety)
• Casting and Forging Fundamentals
• Sheet Metal Work Layout and Tools
• Overview of Basic Industrial Manufacturing Processes

12. Machine Maintenance & Troubleshooting

• Preventive, Breakdown, and Daily Maintenance Routines
• Lubrication Methods & Types of Industrial Lubricants/Coolants
• Machine Tool Inspection and Levelling Techniques
• Common Troubleshooting of Lathe Operations

Preparation Tips for Turner Trade

• Focus on Lathe Mechanism: Dedicate maximum preparation time to Lathe Machine Parts, Taper Turning methods, and Thread Cutting calculations.
• Practice Numerical Formulas: Revise direct formulas for Taper Angle calculation, Cutting Speed ($V = \frac{\pi DN}{1000}$), and Gear Train ratios.
• Clear Precision Reading: Master the calculations of Least Counts and Error corrections for Vernier and Micrometers.
• Solve Technical PYQs: Solve previous year RRB ALP Turner trade papers to grasp technical question trends.

RRB ALP CBT 2 Turner Trade FAQ

Q1. How many questions are asked in RRB ALP CBT 2 Turner 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 is qualifying in nature. Its marks are not added to the final merit list, but clearing it is compulsory.

Q3. What are the minimum qualifying marks for Turner Trade?
A. Candidates across all categories must secure at least 35% marks, which equals 26.25 marks out of 75.

Q4. Is there negative marking in CBT 2 Turner paper?
A. Yes, a negative marking rule of 1/3rd mark is applicable for every incorrect answer.

Q5. What are the most critical topics in the Turner Trade syllabus?
A. Lathe Operations, Taper Turning calculations, Thread Cutting (Metric/British), Tool Geometry Angles, and Measuring Gauges.