JKSSB Junior Engineer (Skill Development Department) Syllabus & Exam Pattern

Official 120-mark written examination syllabus for Junior Engineer (Skill Development Department) covering Engineering Graphics, Projections & Solid Geometry (Leader/Pointer Lines, Hyperboloid of Revolution, Ellipse Foci 2sqrt(a^2-b^2)=67mm, Involutes, Oblique & Profile Planes, Revolved Cone, Pyramid Projections Hidden Base Line, Apparent vs True Shape Section Planes AIP/AVP/Profile, Radial Line Development, Isometric Projections Box/Coordinate/Offset & Isometric Circle Ellipse, Singly vs Doubly Curved Surfaces, BIS Lettering & Dimensioning Standards, Cycloidal Curves Kinematics, Line Types & Applications Dashed/Continuous/Long-Dashed Double Dotted, Regular Polyhedra Tetrahedron/Dodecahedron/Icosahedron, Conic Sections Cutting Angles, Spirals Pole/Radius Vector/Vectorial Angle), Environmental Engineering, Mechanics & Dynamics (Air Pollution Control ESP/Cyclone/Scrubbers, Point Sources, Greenhouse Gases Methane/CO2, Noise Pollution Health, Water Pollutants Pathogens/Sediment/Oxygen-Demanding/Toxic, Four Environmental Spheres, Curvilinear Normal/Tangential Accelerations a=sqrt(at^2+an^2)=2.09 m/s2 & 2.17 m/s2, Polar Velocity v=sqrt(vr^2+vtheta^2)=261 m/s, Angular Momentum along Rotation Axis & Linear Trajectory L=mvd, Plane Motion, Instantaneous Center & Centrode, D'Alembert's Dynamic Equilibrium, Momentum p=mv & Impulse J=F*dt, Chasles' Theorem & Translation, Newton's Three Laws of Motion, Impulse-Momentum Equation of Motion Integration), Applied Physics, Electromagnetism & Solid State Devices (Accelerating Charge EM Wave Radiation, Vacuum Field Amplitude E0*k=B0*omega, Poynting Vector P=ExH & Average Power Density S_avg=E0^2/(2*eta)=1/(120pi) W/m2, RLC Quality Factor Q=1/R*sqrt(L/C)=50, Damped Vibrations Amplitude Logarithmic Decay (0.5)^2=0.25, 1D Box Quantum Expectation Value <x>=L/2, PN Junction Forward Bias Diffusion Current Dominance, Hall Effect Probes & Transducers, Thin Film Interference 135nm Multiples, Single Slit Diffraction lambda=6x10^-7m, Geometric Progression Vibrational Amplitudes, EM Energy Equipartition, Point Source Radial Poynting Vector, Kirchhoff's Laws KCL/KVL, Transverse Wave Polarization Criteria, Maxwell/Faraday/Hertz Laws, Magnetic Materials Paramagnetic/Ferro/Antiferro/Ferrimagnetic Dipoles, Doped Semiconductors Si-P n-type / Si-Al p-type, Nicol Prism Calcite Birefringence, Schrodinger Wave Equation, Valence vs Conduction Bands at 0K, Fraunhofer vs Fresnel Diffraction), Computer Applications, Information Technology & Networking (Mainframe Multi-User Systems, Software Debuggers, Windows Run Command winword, PowerPoint Presentations, Excel Workbooks, Hybrid Topologies, OS Core Functions, Branching Selection vs Looping Repetition Structures, Flowchart Geometric Symbols, Storage vs Processing vs Control Workflow, System Management vs Application Software, Networking History ARPANET 1969 -> X.25 -> Eunet -> NSFNET -> World Wide Web 1991), and Advanced Engineering Mathematics, Calculus & General Knowledge (Green's Line to Surface Integral, Inverse Hyperbolic Derivative d/dx(coth^-1 x)=1/(x^2-1), Parabola Minimum 7/4, Parametric Second Derivative d^2y/dx^2=3/(4t), Definite Integral int_0^pi dx/(1+e^cos x)=pi/2, Multivariable Taylor Series e^x log(1+y)=y+1/2(2xy-y^2), Ordinary Differential Equations Single Independent Variable, Directional Derivative Grad f . a_hat = 14/3, Unit Position Divergence Div(r/r)=2/r & Curl(r/r)=0, Conservative Force Work Done 202/4, Cylinder Volume 3pi, Stokes' Theorem Closed Boundaries, Bolzano Root Existence f(a)f(b)>0, Euler Beta & Gamma Integrals int_0^1 (log y)^8 dy = 8!, Increasing Functions f'(x)>0, Standard Derivatives tan/cos/sec, Rolle's Theorem c-values, Double Integration Coordinates, Gradient Vector Identities, Lagrange Multipliers Extrema 1-5sqrt(2), Bardoli Satyagraha 1928 Sardar Patel, UNESCO Paris Headquarters, UN SDGs 11/14/16, Waterborne Cholera, Tagore Nobel 1913 Gitanjali, Qatar FIFA World Cup 2022, Srisailam Krishna Hydropower, Mandi Prashar Lake, KD Jadhav 1952 Olympic Wrestling, Lucknow Pact 1916 Tilak-Jinnah, BIMSTEC 1997 Bangkok Declaration, COVID-19 Isolation, Official Languages Meghalaya/Daman/Nagaland, Classical Dances Kathak/Kuchipudi/Bharatanatyam/Kathakali, Socio-Religious Organizations Gokhale/Lajpat Rai/Ram Mohan Roy, Indian Nobel Laureates Raman/Satyarthi/Khorana/Sen, 1946 RIN Mutiny & Cabinet Mission & Interim Government Timeline).