New Vacancy 2026
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VSSC Technician B Free Mock Test
VSSC Technician B Syllabus 2026, Exam Pattern
VSSC Technician B Syllabus 2026, Exam Pattern, Exam Date 2026
VSSC Technician B Syllabus 2026 - Overview
| Organization | Indian Space Research Organisation (ISRO) |
| Department | Vikram Sarabhai Space Centre (VSSC) |
| Post Name | Technician B |
| No. of Vacancy | Coming Soon |
| Category | Syllabus and Exam Pattern |
| Job Location | All India |
| Official Website | @vssc.gov.in |
VSSC Technician B Syllabus 2026
.
Technical Subject :
Electronic Mechanic :
1. Basic Knowledge :
1. Introduction to Electronics: Overview and importance
2. Basic Electrical Concepts: Voltage, current, resistance, and Ohm's Law
3. Electronic Components: Resistors, capacitors, inductors, diodes, and transistors
4. Safety Practices: Safety measures and precautions in electronic work
2. Circuit Theory and Analysis :
1. Basic Circuit Theory: Series and parallel circuits
2. Circuit Analysis Techniques: Ohm's Law, Kirchhoff's Laws, and Thevenin's Theorem
3. Schematic Diagrams: Reading and interpreting electronic schematics
4. Practical Applications: Building and testing simple circuits
3. Electronic Devices and Systems :
1. Diodes and Rectifiers: Types and applications
2. Transistors and Amplifiers: Types, configurations, and applications
3. Integrated Circuits (ICs): Basic ICs and their uses
4. Electronic Systems: Understanding and troubleshooting common electronic systems
4. Digital Electronics :
1. Boolean Algebra: Basic principles and applications
2. Logic Gates: Types and functions
3. Digital Circuits: Design and analysis of basic digital circuits
4. Microcontrollers: Introduction to microcontrollers and their applications
5. Practical Skills :
1. Hands-On Practice: Practical exercises and projects
2. Mock Projects: Simulated projects to apply learned skills
3. Skill Assessment: Evaluation of practical skills and techniques
4. Continuous Improvement: Techniques for continuous skill enhancement
Fitter :
1. Safety and First Aid :
Methods of extinguishing fire: Starving, Smothering, Cooling
Warning signs – e.g., overhead load
Halon extinguishers
2. Measurement and Measuring Tools :
Calibration, Accuracy, Precision, Deviation
Vernier Calliper
Micrometer
Vernier Bevel Protractor
Angle measurement
Gauges
3. Hand Tools :
Hammer
File
Marking and layout tools
Torque wrench
Quick release vice
4. Cutting Tools and Operations :
a. Basic Metal Cutting :
Primary metal cutting operations
b. Drilling :
Types of drill bits
Drill angles
RPM (RPM calculation based on cutting speed and drill diameter)
Enlarging holes
c. Threading :
Types of threads
Tap
d. Machining :
Taylor’s tool life equation concept
Coolant requirements for different materials
Computer Numerical Control
e. Filing
f. Reaming
5. Sheet Metal Work :
Hemming operation
Methods of manual bending
Sheet metal cutting operations
Locked grooved joint
Steel sheet specification – e.g., ISSH
6. Welding and Other Joining Processes :
a. Welding :
Filler material usage
Spot welding electrodes – material
Fillet weld – joints
b. Riveting :
Buckling between rivets
c. Bolting :
Shock absorbing capacity of a bolt
Nut locking systems
Difference between bolt and stud
d. Fasteners :
Fasteners to secure paper (such as staples)
M16 x 1.5, 45 mm thread engagement in fasteners
7. Material Science :
Ferrous and Non-ferrous alloys
Steel (Mild Steel, Stainless Steel, High Speed Steel)
Cast iron
Brass
Aluminium
Properties of metals
Alloying elements for corrosion resistance in stainless steel
Anodising
Galvanization
8. Heat Treatment :
Quenching media
Stress relief
Tempering
Cyaniding, Case hardening, Sintering, Softening
Cold working process
9. Fits and Tolerances :
Tolerance for shaft and hole – e.g., 30e8
Fundamental deviation, grade of tolerance, basic size
Maximum clearance calculation – e.g., 20H7g6
Geometrical tolerances
10. Jigs and Fixtures :
Use of templates
Types of drill jigs
Jig for cylindrical workpieces
11. Power Transmission :
Pumps
Pulley
Gear drive
V-belt drive
Lock washer
12. Basic Fluid Mechanics & Pressure :
Units of pressure
Pressure difference measurement
Mass flow rate
Pressure calculation on a surface
Solenoid valve
Bi-directional valve
Valve for fine control of flow
13. Engineering Drawing :
Angles of projection
Symbols
14. Workshop Calculation & Science :
Angle of sector in a circle
Wastage calculation
Acceleration calculation – F=ma
Friction force calculation)
Spring force calculation
Mass calculation
Unit of Torque – N.m
Use of gasket
VSSC Technician B Exam Pattern 2026
Duration : 90 Minutes
Negative Marking : 0.33
| S.No. | Sbject | No.of Question | Marks |
| 1 | Technical Subject | 80 | 80 |
| Total | 80 | 80 |
Exam Date : Notified Soon
Starting Date of Application Form : Notified Soon
Last Date of Application Form : Notified Soon
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