BTSC Work Inspector Mechanical Official Syllabus Out
BTSC Work Inspector Mechanical Official Syllabus Out: Bihar Technical Service Commission की ओर से ITI Pass Electrician, Fitter, Wireman, Machinist trade के लिए Work Inspector Mechanical Posts की Recruitment निकली थी जिसका Official Syllabus जारी कर दिया गया है | BTSC Work Inspector Mechanical Syllabus की पूरी जानकारी निचे दी गयी है | अगर आप BTSC Work Inspector Mechanical exam की तैयारी कर रहे हैं तो Anil Sir ITI App पर Course दिया गया है जरुर Join करें |
🔥 New Notification 2026
BTSC Work Inspector (Mechanical)
Syllabus & Exam Pattern 2026
Bihar Technical Service Commission | Official Syllabus PDF से
🎯 BTSC Work Inspector की पूरी तैयारी करें Anil Sir के साथ!
📊 Exam Pattern (परीक्षा पैटर्न)
| # | विषय (Subject) | अंक (Marks) | स्तर (Level) |
|---|---|---|---|
| 1 | ⚙️ Machinist (मशीनिस्ट) | 15 | ITI Level |
| 2 | 🔧 Fitter (फिटर) | 15 | ITI Level |
| 3 | ⚡ Wireman (वायरमैन) | 15 | ITI Level |
| 4 | 🔌 Electrician (इलेक्ट्रीशियन) | 15 | ITI Level |
| 5 | 🔢 Mathematics (गणित) | 20 | Matriculation (BSEB) |
| 6 | 🌍 General Knowledge (सामान्य ज्ञान) | 20 | General |
| 📌 कुल (Total) | 100 | — | |
📚 Subject-wise Overview
Machinist
Trade – ITI Level
15
- Basic Fitting Operations (Marking, Filing, Drilling)
- Lathe Machine Operations & Taper Turning
- Milling Machine & Indexing
- CNC Turning & VMC Programming
- Grinding (Surface & Cylindrical)
- Measuring Instruments (Vernier, Micrometer)
- Gear Cutting & Heat Treatment
Fitter
Trade – ITI Level
15
- Basic Fitting & Sheet Metal Work
- Welding (Arc & Gas), Riveting, Soldering
- Limits, Fits & Tolerances (±0.04mm)
- Lathe Operations & Threading
- Bearings, Keys, Power Transmission
- Pneumatics & Hydraulics Circuits
- Maintenance & Pipe Fitting
Wireman
Trade – ITI Level
15
- Basic Electricity, Ohm’s Law, Kirchhoff’s Laws
- Domestic, Commercial & Industrial Wiring
- DC & AC Machines, Transformers, Starters
- Earthing (Plate & Pipe), IE Rules
- Solar Power Plant & Battery Systems
- Underground Cable Joints (LT/HT)
- EV Charging Stations, Smart Wiring
Electrician
Trade – ITI Level
15
- AC/DC Circuits, R-L-C Components
- DC Generators & Motors, Speed Control
- AC Induction Motors, Alternators
- Transformers (1-phase & 3-phase)
- Electronic Circuits (Diode, Transistor, SCR)
- Control Panel Wiring, VFD/AC Drive
- Circuit Breakers, Relays, Solar Panels
Mathematics
Matriculation Level (BSEB)
20
- Bihar Board Matric Level Maths
- Algebra, Geometry, Trigonometry
- Arithmetic, Mensuration
- Statistics & Probability (Basic)
General Knowledge
General Awareness
20
- Current Affairs (National & International)
- Bihar GK – History, Geography, Economy
- Indian Polity & Constitution
- Science & Technology
- Important Schemes & Policies
📖 Detailed Syllabus (विस्तृत पाठ्यक्रम)
Basic Fitting Operations
Marking & Layout
Hacksawing
Chiselling
Filing
Drilling (±0.25mm)
Tapping & Grinding
5S Concept
PPE & Safety
First Aid
Measuring Instruments
Vernier Caliper
Outside & Inside Micrometer
Vernier Height Gauge
Dial Test Indicator
Depth Micrometer
Bore Dial Gauge
Sine Bar & Slip Gauge
Telescopic Gauge
Limits, Fits & Tolerances
Interchangeability
BIS & British Standard System
Sliding Fit, T-Fit, Square Fit
Tolerance ±0.2mm
Angular Tolerance 1°
Lathe Machine
Centre Lathe Construction & Parts
Facing, Turning, Parting, Grooving
Taper Turning Methods
Thread Cutting (Metric & English)
Knurling
Chucks & Work Holding
Cutting Tool Angles & Materials
Milling Machine & Indexing
Horizontal & Vertical Milling
Plain, Face, Angular, Slot Milling
Simple & Differential Indexing
Spur Gear, Rack, Helical Gear Cutting
Bevel Gear, Worm & Worm Wheel
Jigs & Fixtures
Grinding
Grinding Wheel (Abrasive, Bond, Grade)
Surface Grinding (±0.01mm)
Cylindrical Grinding
Tool & Cutter Grinder
Dressing & Truing
Glazing & Loading
CNC Turning Centre
CNC Basics & G/M Codes
Absolute & Incremental Programming
Canned Cycles (Turning, Grooving, Threading)
TNRC (Tool Nose Radius Compensation)
Work & Tool Offsets
MDI, Single Block, Auto Modes
CNC VMC (Vertical Machining Centre)
VMC Elements & ATC
Face/Pocket/Side Milling
ISO G & M Codes for Milling
CRC (Cutter Radius Compensation)
Subprograms & Canned Cycles
Machining Cost & Cycle Time
Slotter, Heat Treatment & Maintenance
Slotter Construction & Operations
Heat Treatment (Annealing, Hardening, Tempering)
Preventive & Autonomous Maintenance
Proximity Sensors & LVDT
Basic Electrical (Motors, Solenoids)
Basic Fitting & Marking
Marking Tools & Layout
Bench Vice, Hacksaw, Files
Chisels, Hammers
Surface Plate, V-Block, Angle Plate
Prussian Blue, Marking Blue
5S, PPE, Safety
Sheet Metal & Joining
Sheet Metal Tools & Snips
Soldering (Soft & Hard/Brazing)
Riveting – Types, Spacing
Arc Welding & Gas Welding
Oxy-Acetylene Cutting
Drilling, Reaming, Tapping & Threading
Drill Types & Angles
Reamer – Hand & Machine
Taps (BSW, BSF, Metric) & Dies
Countersink, Counterbore, Spot Facing
Thread Nomenclature
Limits, Fits & Tolerances
Sliding, Angular, T-Fit, Square Fit
Tolerance ±0.04mm
Angular Tolerance 30 minutes
BIS & British Standards
Slip Gauge & Sine Bar
Lathe Operations
Facing, Plain/Step Turning
Parting, Chamfering, Grooving
Boring, Taper Turning
External V-Thread Cutting
Knurling
Surface Finishing & Gauges
Scraping (Flat, Half-Round, Triangular)
Lapping & Honing
Snap Gauge, Plug Gauge, Ring Gauge
Gap Gauge (±0.02mm)
Feeler, Radius, Wire Gauge
Power Transmission & Maintenance
Belts (Flat & V-Belt), Pulleys
Gears (Spur, Helical, Bevel, Worm)
Bearings (Ball, Roller, Needle)
Keys & Cotter
Couplings – Flange, Universal, Hook’s
Preventive & TPM Maintenance
Pneumatics & Hydraulics
Air Compressor, FRL Unit
Pneumatic Cylinders & Valves
3/2 & 5/2 Way Valves
Hydraulic Pumps & Cylinders
Hydraulic Valves (DCVs, Check Valves)
Electro-Pneumatics
Basic Electricity
Ohm’s Law & Kirchhoff’s Laws
Series & Parallel Circuits
Wheatstone Bridge
Capacitors & Inductors
AC Fundamentals (RMS, Peak, PF)
3-Phase Star & Delta Connection
Active & Reactive Power
Wiring Systems
Domestic Wiring (Cleat, CTS, Conduit)
Commercial Wiring
Industrial Wiring
Control Panel Wiring
MCB, ELCB, RCCB, MCCB
Load Estimation & Bill of Material
Earthing & Power System
Plate & Pipe Earthing
Earth Leakage Circuit Breaker
Generation, Transmission & Distribution
Substation Equipment (ACB, VCB, SF6)
Current & Potential Transformers
DC & AC Machines
DC Generator & Motor Principle
DC Motor Starters
3-Phase Induction Motor
Single-Phase Motors
Transformers (1-phase & 3-phase)
Motor Winding (Concentric/Distributed)
Solar & Battery Systems
Solar Cell Principle & Types
Solar Home Lighting & Street Light
Lead Acid Battery & Charging
Solar DC Pump & Industrial Application
EV Charging Station
Underground Cables & Electronics
PVC, XLPE, PILC Cable Types
Heat Shrink & Pre-Moulded Joints
CFL & LED Lamp Circuits
Rectifier Circuits (Half/Full Wave/Bridge)
IP Rating & Cable Management
Electrical Fundamentals
Ohm’s Law, Kirchhoff’s Laws
Series & Parallel Circuits
Wheatstone Bridge
Magnetism & Electromagnetism
AC Circuits (Single & 3-Phase)
Star & Delta Connection
Power Factor & Impedance
DC Machines
DC Generator – EMF Equation
Series, Shunt & Compound Generator
Armature Reaction & Commutation
DC Motor Types & Characteristics
DC Motor Starters
Speed Control Methods
Lap & Wave Winding
AC Machines & Transformers
3-Phase Induction Motor (Squirrel Cage, Slip Ring)
DOL, Star-Delta, Auto Transformer Starter
Single-Phase Motors & Universal Motor
Alternator – EMF Equation, Parallel Operation
Synchronous Motor – V-Curve, PF Correction
Transformer – Turn Ratio, Efficiency, CT/PT
Electronics & Power Electronics
P-N Junction Diode & Rectifiers
Transistor (Switch, Amplifier, Regulator)
SCR, DIAC, TRIAC, IGBT
Digital Electronics – Logic Gates
AC/DC Drive & VVVF Speed Control
Oscilloscope Working
Wiring, Protection & Maintenance
IE Rules & NEC 2011
MCB, ELCB, MCCB, Fuses
Circuit Breakers (ACB, VCB, OCB, SF6)
Relays – Types & Operation
Control Panel Wiring
Inverter, UPS, Stabilizer Maintenance
Illumination, Solar & Power Distribution
Laws of Illumination & Lamp Types
Lumen Calculation
Solar Panel – Principle & Types
Transmission & Distribution Network
Max Demand, Load Factor, Diversity Factor
Hydel & Thermal Power Plants
Bihar Board Matric Level Topics
Number System & HCF/LCM
Algebra – Polynomials, Linear Equations
Quadratic Equations
Arithmetic Progressions (AP)
Coordinate Geometry
Triangles & Circles (Geometry)
Trigonometry & Heights-Distances
Mensuration (Area, Volume)
Statistics (Mean, Median, Mode)
Probability
General Awareness Topics
Current Affairs – India & World
Bihar History, Geography & Economy
Indian Constitution & Polity
National & International Events
Sports & Awards
Science & Technology
Government Schemes & Policies
Important Days & Events
Books & Authors
⚠️ Important Points – ध्यान दें!
- कुल 100 अंकों की लिखित परीक्षा होगी।
- Machinist, Fitter, Wireman और Electrician — प्रत्येक से 15-15 अंक।
- Mathematics (BSEB Matric Level) से 20 अंक — इसे हल्के में न लें।
- General Knowledge से 20 अंक — Current Affairs पर focus करें।
- Syllabus official BTSC PDF से लिया गया है — 100% authentic।
- Trade subjects में ITI level के practical & theory दोनों आएंगे।
🎯 BTSC Work Inspector की Best Preparation
Anil Sir के साथ – बिहार का सबसे भरोसेमंद ITI Coaching Platform
✅ Practice Questions
✅ Mock Tests
✅ PDF Notes
✅ Doubt Solving
✅ All 4 Trade Subjects