SSC Junior Engineer (JE) 2020 Paper-II (Descriptive): Exam Pattern and Syllabus
Staff Selection Commission (SSC) conducts the examination for recruitment of Junior Engineers (JE) Group-B posts in Civil, Mechanical, Electrical, Quantity Surveying and Contract domain. We have compiled the detailed Exam Pattern and Syllabus SSC JE 2020 Exam Paper-II.
As per the latest notification, SSC will conduct Junior Engineer Paper-II (Descriptive Paper in Offline Mode) on 29th December 2019. This year SSC JE Paper – I 2019 Exam will be conducted in online mode tentatively from 23rd September 2019 to 27th September 2019 and will be a Computer Based Exam (CBE). Eligible candidates can start filling the application form from 1st Feb 2019 to 25th Feb 2019. So, students have still a couple of months to prepare for this exam. So, let’s look at the Exam Pattern and Detailed Syllabus of SSC JE 2018 Exam Paper-II.
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About SSC Junior Engineer (JE) 2021 Exam
Staff Selection Commission (SSC) conducts the examination for recruitment of Junior Engineers (JE) Group-’B’ posts in Civil, Mechanical, Electrical, Quantity Surveying and Contract domain. The candidates are supposed to undergo two stages of SSC JE selection procedure, i.e., Paper – I and Paper – II. Below you can find details of mains ssc je exam and ssc je syllabus.
About SSC Junior Engineer (JE) 2021 Exam Paper – II
- SSC JE Paper II is an offline mode exam.
- It is a subjective paper where all the questions have to be answered in a descriptive manner.
- There is no negative marking and your marks will be based on your writing skills.
Exam Pattern of SSC Junior Engineer (JE) 2021 Paper – II
- This is a 300 marks paper, for which 2 hours will be allotted to the candidate.
- The candidates appearing in the post of Junior Engineer (Civil) and Junior Engineer (Quantity Surveying & Contract) should attempt Part – A (Civil & Structural).
- The candidates appearing for the post of Junior Engineer (Electrical) should attempt Part – B (Electrical)
- The candidates appearing for the post of Junior Engineer (Mechanical) should attempt Part – C (Mechanical).
Syllabus of SSC Junior Engineer (JE) 2021 Paper – II
The standard of the questions in Engineering subjects will be approximately of the level of Diploma in Engineering (Civil/ Electrical/ Mechanical) from a recognized Institute, Board or University recognized by All India Board of Technical Education.
Let’s look at the detailed syllabus of all the three optional subjects:
Part – A: CIVIL AND STRUCTURAL ENGINEERING
Building Materials: Physical and Chemical properties, classification, standard tests, uses 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.
- Estimating, Costing and Valuation: estimate, glossary of technical terms, analysis of rates, methods and unit of measurement, Items of work – earthwork, Brick work (Modular & Traditional bricks), RCC work, Shuttering, Timber work, Painting, Flooring, Plastering. Boundary wall, Brick building, Water Tank, Septic tank, Bar bending schedule, Centre line method, Mid-section formula, Trapezoidal formula, Simpson‘s rule. Cost estimate of Septic tank, flexible pavements, Tube well, isolates and combined footings, Steel Truss, Piles and pile-caps. Valuation – Value and cost, scrap value, salvage value, assessed value, sinking fund, depreciation and obsolescence, methods of valuation.
- Surveying: Principles of surveying, measurement of distance, chain surveying, working of the prismatic compass, compass traversing, bearings, local attraction, plane table surveying, theodolite traversing, adjustment of theodolite, Levelling, Definition of terms used in levelling, contouring, curvature and refraction corrections, temporary and permanent adjustments of dumpy level, methods of contouring, use of a contour map, tachometric survey, curve setting, earthwork calculation, advanced surveying equipment.
- Soil Mechanics: Origin of soil, phase diagram, Definitions-void ratio, porosity, degree of saturation, water content, the specific gravity of soil grains, unit weights, density index and interrelationship of different parameters, Grain size distribution curves and their uses. Index properties of soils, Atterberg‘s limits, ISI soil classification and plasticity chart. Permeability of soil, coefficient of permeability, determination of coefficient of permeability, Unconfined and confined aquifers, effective stress, quicksand, consolidation of soils, Principles of consolidation, degree of consolidation, pre-consolidation pressure, normally consolidated soil, e-log p curve, computation of ultimate settlement. Shear strength of soils, direct shear test, Vane shear test, Triaxial test. Soil compaction, Laboratory compaction test, Maximum dry density and optimum moisture content, earth pressure theories, active and passive earth pressures, 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.
- Irrigation Engineering: Definition, necessity, benefits, 2II effects of irrigation, types and methods of irrigation, Hydrology – Measurement of rainfall, runoff coefficient, rain gauge, losses from precipitation – evaporation, infiltration, etc. Water requirement of crops, duty, delta and base period, Kharif and Rabi Crops, Command area, Time factor, Crop ratio, Overlap allowance, Irrigation efficiencies. Different types of canals, types of canal irrigation, loss of water in canals. Canal lining – types and advantages. Shallow and deep to wells, the yield from a well. Weir and barrage, Failure of weirs and permeable foundation, Slit and Scour, Kennedy‘s theory of critical velocity. Lacey‘s theory of uniform flow. Definition of flood, causes and effects, methods of flood control, water logging, preventive measure. Land reclamation, Characteristics of affecting fertility of soils, purposes, methods, description of land and reclamation processes. Major irrigation projects in India.
- Transportation Engineering: Highway Engineering – cross-sectional elements, geometric design, types of pavements, pavement materials – aggregates and bitumen, different tests, Design of flexible and rigid pavements – Water Bound Macadam (WBM) and Wet Mix Macadam (WMM), Gravel Road, Bituminous construction, Rigid pavement joint, pavement maintenance, Highway drainage, Railway Engineering- Components of the permanent way – sleepers, ballast, fixtures and fastening, track geometry, points and crossings, track junction, stations and yards. Traffic Engineering – Different traffic survey, speed-flow-density and their interrelationships, intersections and interchanges, traffic signals, traffic operation, traffic signs and markings, road safety.
- Environmental Engineering: Quality of water, source of water supply, purification of water, distribution of water, need of sanitation, sewerage systems, circular sewer, oval sewer, sewer appurtenances, sewage treatments. Surface water drainage. Solid waste management – types, effects, engineered management system. Air pollution – pollutants, causes, effects, control. Noise pollution – cause, health effects, control.
- II. STRUCTURAL ENGINEERING
- Theory of structures: Elasticity constants, types 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 rectangular & circular sections, bending moment and shear stress for 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, the importance of water 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 concrete structures.
- RCC Design: RCC beams-flexural strength, shear strength, bond strength, design of singly reinforced and double reinforced beams, cantilever beams. T-beams, lintels. One way and two-way slabs, isolated footings. Reinforced brick works, columns, staircases, retaining wall, water tanks (RCC design questions may be based on both Limit State and Working Stress methods).
- Steel Design: Steel design and construction of steel columns, beams roof trusses plate girders.
Part-B: ELECTRICAL ENGINEERING
- Basic Concepts: Concepts of resistance, inductance, capacitance, and various factors affecting them. Concepts of current, voltage, power, energy and their units.
- Circuit Law: Kirchhoff‘s law, Simple Circuit solution using network theorems.
- Magnetic Circuit: Concepts of flux, mmf, reluctance, Different kinds of magnetic materials, Magnetic calculations for conductors of different configurations e.g. straight, circular, solenoidal, etc. Electromagnetic induction, self and mutual induction.
- AC Fundamentals: Instantaneous, peak, R.M.S. and average values of alternating waves, Representation of sinusoidal waveform, simple series and parallel AC Circuits consisting of R.L. and C, Resonance, Tank Circuit. Poly Phase system – star and delta connection, 3 phase power, DC and sinusoidal response of R-Land R-C circuit.
- Measurement and Measuring Instruments: Measurement of power (1 phase and 3 phase, both active and re-active) and energy, 2 wattmeter method of 3 phase power measurement. Measurement of frequency and phase angle. Ammeter and voltmeter (both moving oil and moving iron type), an extension of range wattmeter, Multimeters, Megger, Energy meter AC Bridges. Use of CRO, Signal Generator, CT, PT and their uses. Earth Fault detection.
- Electrical Machines: (a) D.C. Machine – Construction, Basic Principles of D.C. motors and generators, their characteristics, speed control and starting of D.C. Motors. Method of braking motor, Losses and efficiency of D.C. Machines. (b) 1 phase and 3 phase transformers – Construction, Principles of operation, equivalent circuit, voltage regulation, O.C. and S.C. Tests, Losses and efficiency. Effect of voltage, frequency and waveform on losses. Parallel operation of 1 phase /3 phase transformers. Autotransformers. (c) 3 phase induction motors, rotating magnetic field, principle of operation, equivalent circuit, torque-speed characteristics, starting and speed control of 3 phase induction motors. Methods of braking, the effect of voltage and frequency variation on torque speed characteristics.
- Fractional Kilowatt Motors and Single Phase Induction Motors: Characteristics and applications.
- Synchronous Machines – Generation of 3-phase e.m.f. armature reaction, voltage regulation, parallel operation of two alternators, synchronizing, control of active and reactive power. Starting and applications of synchronous motors.
- Generation, Transmission and Distribution – Different types of power stations, Load factor, diversity factor, demand factor, cost of generation, inter-connection of power stations. Power factor improvement, various types of tariffs, types of faults, short circuit current for symmetrical faults. Switchgears – rating of circuit breakers, Principles of arc extinction by oil and air, H.R.C. Fuses, Protection against earth leakage / over current, etc. Buchholtz relay, Merz-Price system of protection of generators & transformers, protection of feeders and bus bars. Lightning arresters, various transmission and distribution systems, comparison of conductor materials, the efficiency of a different systems. Cable – Different types of cables, cable rating and derating factors.
- Estimation and costing: Estimation of lighting scheme, electric installation of machines and relevant IE rules. Earthing practices and IE Rules.
- Utilization of Electrical Energy: Illumination, Electric heating, Electric welding, Electroplating, Electric drives and motors.
- Basic Electronics: Working of various electronic devices e.g. P N Junction diodes, Transistors (NPN and PNP type), BJT and JFET. Simple circuits using these devices.
Part- C: MECHANICAL ENGINEERING
- Theory of Machines and Machine Design: Concept of a simple machine, Four bar linkage and link motion, Flywheels and fluctuation of energy, Power transmission by belts – V-belts and Flat belts, Clutches – Plate and Conical clutch, Gears – Type of gears, gear profile and gear ratio calculation, Governors – Principles and classification, Riveted joint, Cams, Bearings, Friction in collars and pivots.
- Engineering Mechanics and Strength of Materials: Equilibrium of Forces, Law of motion, Friction, Concepts of stress and strain, Elastic limit and elastic constants, Bending moments and shear force diagram, Stress in composite bars, Torsion of circular shafts, Bucking of columns – Euler‘s and Rankin‘s theories, Thin-walled pressure vessels.
- Thermal Engineering
- Properties of Pure Substances: P-V & P-T diagrams of pure substance like H2O, Introduction of steam table with respect to steam generation process; definition of saturation, wet & superheated status. Definition of dryness fraction of steam, degree of superheat of steam. H-s chart of steam (Mollier‘s Chart).
- 1st Law of Thermodynamics: Definition of stored energy & internal energy, 1st Law of Thermodynamics of cyclic process, Non-Flow Energy Equation, Flow Energy & Definition of Enthalpy, Conditions for Steady State Steady Flow; Steady State Steady Flow Energy Equation.
- 2nd Law of Thermodynamics: Definition of Sink, Source Reservoir of Heat, Heat Engine, Heat Pump & Refrigerator; Thermal Efficiency of Heat Engines & co-efficient of performance of Refrigerators, Kelvin – Planck & Clausius Statements of 2nd Law of Thermodynamics, Absolute or Thermodynamic Scale of temperature, Clausius Integral, Entropy, Entropy change calculation of ideal gas processes. Carnot Cycle & Carnot Efficiency, PMM-2; definition & its impossibility.
- Air standard Cycles for IC engines: Otto cycle; plot on P-V, T-S Planes; Thermal Efficiency, Diesel Cycle; Plot on P-V, T-S planes; Thermal efficiency IC Engine Performance, IC Engine Combustion, IC Engine Cooling & Lubrication.
- Rankine cycle of steam: Simple Rankine cycle plot on P-V, T-S, h-s planes, Rankine cycle efficiency with & without pump work.
- Boilers; Classification; Specification; Fittings & Accessories: Fire Tube & Water Tube Boilers. Air Compressors & their cycles; Refrigeration cycles; Principle of a Refrigeration Plant; Nozzles & Steam Turbines
- Properties & Classification of Fluid: ideal & real fluids, Newton‘s law of viscosity, Newtonian and Non-Newtonian fluids, compressible and incompressible fluids.
- Fluid Statics: Pressure at a point.
- Measurement of Fluid Pressure: Manometers, U-tube, Inclined tube.
- Fluid Kinematics: Streamline, laminar & turbulent flow, external & internal flow, continuity equation.
- Dynamics of ideal fluids: Bernoulli‘s equation, Total head; Velocity head; Pressure head; Application of Bernoulli‘s equitation.
- Measurement of Flow rate Basic Principles: Venturimeter, Pilot tube, Orifice meter.
- Hydraulic Turbines: Classifications, Principles.
- Centrifugal Pumps: Classifications, Principles, Performance.
- Production Engineering
- Classification of Steels: Mild steel & alloy steel, Heat treatment of steel, Welding – Arc Welding, Gas Welding, Resistance Welding, Special Welding Techniques i.e. TIG, MIG, etc. (Brazing & Soldering), Welding Defects & Testing; NDT, Foundry & Casting – methods, defects, different casting processes, Forging, Extrusion, etc, Metal cutting principles, cutting tools, Basic Principles of machining with (i) Lathe (ii) Milling (iii) Drilling (iv) Shaping (v) Grinding, Machines, tools & manufacturing processes.
Candidates are required to prepare for their optional subject thoroughly for achieving success in Paper-II and construct a concrete study plan according to the above-mentioned syllabus.