SSC JE 2024 - SSC Junior Engineer Exam : Application Form, Exam Date, Eligibility, Syllabus and Exam Pattern

I (b)

General Engineering (Civil & Structural)  OR

General Engineering (Electrical & Mechanical)

150

Total

General Engineering (Civil & Structural) OR

General Engineering (Electrical & Mechanical)

Civil Engineering

Structural Engineering

• Building Materials: Physical and Chemical properties, classification, standard tests, use, and manufacture/quarrying of materials e.g., building stones, silicate-based materials, cement (Portland), Asbestos products, Timber and Wood-based Products, laminates, bituminous materials, paints, varnishes.

Surveying

• Principles of surveying, working of properties, compass, and bearing, plane table surveying, theodolite traverse, adjustment of theodolite, leveling and contouring, curvature, refraction, permanent adjustment of dumpy level, methods of contouring and uses of a control map, tacho metric survey.

Soil Mechanics

• Origin of the soil phase diagram, definitions of void ratio, porosity, degree of saturation, water content, the specific gravity of soil grains and unit weights, grain size distribution curves for different solids, and their uses.
• Atterjerg’s limits, ISI soil classification, plasticity chart, the coefficient of permeability, effective stress, and consolidation of soils.
• Calculation of shear strength of soils, direct shear test, vane shear test, triaxial test, soil compaction, Lab compaction, Lab compaction test, moisture content and bearing capacity of soils, plate load test, standard penetration test.

Hydraulics

• Fluid properties, hydrostatics, measurements of flow, Bernoulli’s theorem and its application, flow through pipes, flow in open channels, weirs, flumes, spillways, pumps, and turbines.
• Environmental Engineering: Quality of water, the source of water supply, purification of water, distribution of water, the need for sanitation, sewerage system, circular sewers, oval sewer, sewer appurtenances, surface water drainage, sewage treatments.

• Theory of structures: Elasticity constants, type of beams, determinate and indeterminate, bending moment, and shear force diagrams of simply supported, cantilever, and overhanging beams.
• Moment of area and moment of inertia for rest. & circular section, bending moment and shear stress for a tee, channel, and compound sections, chimneys, dams and retaining walls, eccentric loads, slope deflection of simply supported and cantilever beams, critical load and columns, torsion of circular section.

Concrete Technology

• Properties, Advantages, and uses of concrete, cement aggregates quality, water-cement ratio, workability, mix design, storage, batching, mixing, placement, compaction, finishing and curing of concrete, quality control of concrete, hot weather and cold weather concreting repair, and maintenance of a concrete structure.

RCC Design

• RCC beams flexural strength, shear strength, bond strength, the design of single reinforced beans, lintels, cantilever beams, double reinforced beams, one-way slabs, two-way slabs, isolated footings, and reinforced brickwork.
• T-beams, columns, staircases, retaining walls, water tanks (RCC design questions may be based on both the Limit State method and Working Stress method).

Steel Design

• Steel design and construction of steel columns, beams, roof trusses, and plate girders.

Electrical Engineering

Mechanical Engineering

Basic Electrical Engineering

• Electrical Measurements, Concepts of current, voltage, resistance, power and energy, their units, Ohm’s law.

Circuit Law

• Kirchoff's law, the solution of simple network problems, Network theorems, and their applications, Electro-magnetism, the concept of flux, e m f, reluctance, magnetic circuits. Electromagnetic induction, self, and mutual inductance.
• A.C fundamentals, instantaneous, peak, R.M.S. and average values of alternating waves, Equation of sinusoidal wave-form, simple series, and parallel AC. circuits consisting of R.L. and C, Resonance.
• Measurement and measuring instruments, Moving coil and moving iron ammeters and voltmeters, Extension of range, Wattmeters, Multimeters, Megger, and Basic Electronics.

Electrical machines

• Basic principles of D.C. motors, generators, their characteristics, Speed control and starting of D.C. motors, losses and efficiency of D.C. machines. 1-Phase and 3-phase Transformers: Principles of operation, equivalent circuit, voltage regulation, O.C. and S.C. tests, efficiency, auto-transformers.
• Synchronous machines, generation of 3-phase e.m.f, armature reaction, Voltage regulation, parallel operation of two alternators, synchronizing, starting, and applications of synchronous motors.
• 3-Phase Induction motor, rotating magnetic field, the principle of operation, equivalent circuit, torque-speed characteristics, starting and speed control of 3-phase induction motors, Fractional KW motors, 1-phase induction motors, A.C. series motor, reluctance motor. General, Transmission, and Distribution: Different types of power stations, Load factor, diversity factor, demand factor, simple problems thereon, cost of generation, the interconnection of power stations. Power factor improvement, various types of tariffs, types of faults, and short circuit current for symmetrical faults.

Switchgear

• The rating of circuit breakers: Principles of extinction by oil and air, H.R.C. fuses, Protection, earth leakage, over current, Buchhotgz relay, Merz- Prince system of protection of generators & transformers, protection of feeders and bus bars.
• Lightning arresters, various transmission and distribution systems, Comparison of conductor materials, efficiency for different systems.
• Utilization of Electrical Energy, Illumination, electric heating, Electric welding, electroplating, electric drives, and motors.

The flow of Fluids

• Laminar & turbulent flow, the equation of continuity, Bernoulli’s theorem, measurement of discharge, flow through pipes, friction losses, Forces of jet impinging on vanes, blades, work is done and efficiency, classification of turbines & pumps.

Thermal Engineering

• Laws of thermodynamics, change in entropy in various processes; uses of steam, Properties of steam table & charts; Construction & Working of Cochran, Lancashire locomotive & Babcock & Wilcox boilers, working of steam turbine, Otto & Diesel Cycles, working of IC engines, Carburetion, Solex Carburettor. Diesel fuel, pump & injector: Cooling & lubrication.

Production Engineering

• Foundry- Different casting processes, the concept of Patterns; types of mold making, a purring defect in castings, causes & remedies, Welding classification and types of welding, Testing, and defects in welds.
• Lathes- working of a lathe, various tools, operation on lathes, types of lathes. Drilling operations are performed on drilling machines. Description, principles of working, and various operations on machine tools, milling machine, shaper, grinder, boring and slotting machines.
• The strength of Materials: Stresses in composite bars, the relation between elastic constants, Resilience under different types of loads, SF and BM diagrams; stresses in beams-combined direct and bending stresses, Struts and columns – Euler’s and Rankin’s theories, Torsion of circular shafts.

Theory of Machines

• Simple Machines – Four bar chains, Slider crank chains, double slider crank chains, Flywheels - Turning moment diagrams.
• The fluctuation of energy, Friction-in collar, pivots, plate clutch, conical clutch, and journal bearing.
• Transmission of power through flat and V-belts, Gears, the profile of gears, Governors- Watt and Hartnell governors.