APGENCO

Andhra Pradesh Power Generation Corporation Limited

## Syllabus for APGENCO Jobs
• Service for more than 6 months…. 10 Marks
Analog Instruments, bridges, DVMS, Q-meter, logic analyzer, signal and function generators. 6. Process instrumentation:pH and conductivity measurement,viscosity and density measurements , spectrophotometers, gas analyzer, auto analyzer, chromatographs. 7. Power plant instrumentation and unit operation:Introduction power plant: Unit operation and Unit processes, material balance and energy balance. Introduction to thermal power plant, significance of instrumentation in power plant, principle and working and salient features of hydro electric, nuclear gas turbine plant. Processes in Thermal Power plant: evaporation: distillation: leaching and extraction: gas absorption: humidification and dehumidification adsorption: drying: size reduction: crystallization: mixers. Boiler instrumentation and control: measurements and control loops, drum level control, fuel flow control, furnace draft and excess air control, combustion control, steam pressure control, boiler safety interlocks. Turbine monitoring and control: turbine, supervisory system for monitoring of mechanical parameters speed, vibration, eccentricity, axial shift, shell temperature monitoring, lube oil temperature control, turbine trip condition. Instrumentation and control of alternator, steam heaters, pumps and compressors, condenser. Auxiliaries in power plants: soot blowers, electrostatic precipitator, oil automation system, water treatment plant, cooling towers. 8. Power Electronics:SCR, Triac, UJT, Single and three phase converters, inverters, cycloconverters, SMPS and UPS. Syllabus on power plant related topics for Sub-Engineers (except
Sub-Engineer/Civil)A. Thermal Power Stations - Process 1. Boiler a. Boiler construction b. Pressure Parts c. Fans - types d. Mills - types e. Air Preheaters f. Fuels - Supply Systems g. Firing and Arrangements in power House h. ESP - Construction - Operation - Details i. Safety Valves and their importance 2. Turbine a. Turbines - Parts - Details b. CWPs, Cooling Towers, Condenser Cooling and Vacuum System - Details c. LP Heaters, DA, CEPs and Condensate system d. BFPs, HP heaters and feed water system e. PRDS, HFO and Light oil systems 3. Generator a. Electrical Power - Energy - Voltage - Current - Explanation. b. Turbo - Generator construction - details c. Excitatiom systems d. Transformers - working - cooling systems - types 4. Protection Protection of Generators, Generator Transformers etc., circuit breakers. 5. Economic aspects Generation Costs and their classification, PLF, Plant base load and Peak load operation and optimul operation of thermal and Hydel stations. 6. switch-yard Switch - yard -Equipment - Details 7. Electrical circuits: Storage batteries, classification of cells, construction chemical action of cells, lead acid, NI - Cadmium Cells, VRLA batteries (maintenance free batteries) concept of trickle charging and boost charging. 8. Electrical measuring instruments: a. measurement of voltage current, power, energy etc. b. principles of measurement of pressure, flow, level, diff pressure, temperature (thermocouple, RTD) etc. c. Principle of measurement of PH, conductivity, oxygen using Zircona principle. 9. AHP Ash handling plant - Equipment - Functions 10. CHP Coal handling plant - Equipment - Functions 11. WTP Water treatment plant - Flow Charts/Diagrams B. Hydel Power Stations - Process 1. Functions of various Equipment of Hydel Power Stations 2. Layout of equipment in Hydel Power Stations 3. Symbols of various tools and Tackles, Fasteners and their functions. 4. General knowledge about various works, abbreviations pertaining to Hydel power stations. 5. Various Equipment of Hydel Power Stations. 6. Types of turbines. 7. Penstock. 8. Surge Tank. 9. Turbine. 10. Governing system 11. Trash rack 12. Generator - Construction details - Function. 13. Electrical Energy, Power, Voltage, Current - Definition. 14. Transformers - Details and Functions. 15. Switch-yard - Important Equipment - Functions 16. Electrical circuits: Storage batteries, classification of cells, construction chemical action of cells, lead acid, NI - Cadmium Cells, VRLA batteries (maintenance free batteries) concept of trickle charging and boost charging. 17. Electrical measuring instruments: a. measurement of voltage current, power, energy etc. b. principles of measurement of pressure, flow, level, diff pressure, temperature (thermocouple, RTD) etc. C. 1. Industrial Electronics To understand PLC and programming - logic with relays, PLC ladder logic, timers, counters, input output modules, digital, analog I/O s.logic functions - OR, AND, EX-OR etc. 2. BASIC communication Engineering a. Understanding the work of power line carrier communication (PLCC) technique b. Understanding the principle of working of EPABX 3. Understand the distributed control system DCS. D. 1. FPS - Fire protection Systems - Types - Functions 2. Fire accidents - Fire accidents and preventive measures 3. Safety aspects - Safety of personnel and equipment - Safety measures and precautions. 4. House keeping - House keeping and its importance. Thermal/Hydel plants related syllabus for Sub-Engineer (Civil)1 Reservoirs - Inflows, Outflows, live storage capacity, gross storage capacity, FRL, MDL Water spread, catchment area, annual rainfall. 2 Dams - Masonry dam, Earthen Dam, Gravity Dam, Height of Dam, Crest level, Arch dam, Max flood discharge, Crest gates. 3 Penstocks - Head, Pipe diameter, Plate thickness, Valves (Butterfly valves). 4 Survey - North, South, Latitude, Longitude, Reduced levels, marking of buildings etc. 5 Power House - Types of Turbines, PH Crane, Turbo generator, Boiler, Electro Static Precipitators, LP turbines, HP turbine, Coal pulverization mills etc. 6 Gates - Stop log gate, regulator sluice, Crest gates, butterfly valves, D.T. gates, radial gates. 7 Canals - Carrying capacity, bed slopes, side slopes, variation of velocity w.r.t height, trash rack. 8 Makeup Water Reservoirs - Capacity, raw water pipelines. 9 Water Treatment Clarifiers - Alumn dozing, chlorination, filtration, DM plants. 10 Marshalling yard - Rails, sleepers, points and crossings, ballast, keys etc. 11 Coal Plant - Conveyor, Wagon tippler, crushers etc. 12 Ash Ponds - Earthen embankment, decanting wells, spillways. 13 Chimney, cooling towers - Deashing, Acid and Fire Resistant Bricks & mortar, desilting, troughs, flashcups. 14 Roads, Buildings, Maintenance. - Storm water drains, Maintenance, drinking water supply, Roof leakages, painting, drainage, sanitary. 15 Construction of Plant - Earth work excavating PCC, raft, bearing capacity of soils, piles, backfilling, plinth beams, Design mix, Bridges, strength of concrete, steel, bricks, st. steel etc. 16 Safety - CO2 cylinders, application of foam, firefighting lines, burning of dry Jungle, GIS, EPF, etc. 17 Stores Materials - Storage of cement, Steel. 18 Carpentry material - Carpentry material, their usage. 19 FPS Fire protection Systems - Types - Functions 20 Fire accidents Fire accidents and preventive measures 21 Safety aspects Safety of personnel and equipment - Safety measures and precautions. 22 House keeping House keeping and its importance. Syllabus for Assistant Engineers: Syllabus (for Electrical Branch/AE)1. Electrical Circuits and Networks: Kirchoffís laws, mesh and node analysis, network theorems, sinusoidal steady state analysis of single phase and three phase circuits, resonance, transient response of RL, RC,RLC circuits for different inputs, to-port networks, Two element network synthesis. 2. Control Systems: Modeling of physical systems, Block diagrams and signal flow graphs, Time and frequency domain analysis, Steady state errors, Routhís criterion, Nyquist and Bode plots, compensation, root loci, elementary ideas of state variable analysis, control systems components. 3. Measurements and Instrumentation: SI units, measurement of current, voltage, power, power-factor and energy. Measurement of resistance, inductance capacitance and frequency-bridge methods, transducers and their applications to the measurement of non-electrical quantities like temperature, pressure, strain, displacement etc., cathode ray oscilloscope. 4. Analog and Digital Electronics: Characteristics of diodes, BJT, FET,SCR, Amplifier biasing, equivalent circuits, frequency response, feedback amplifiers, power amplifiers, oscillators, operational amplifiers and applications, wave shaping circuits, multi-vibrators, flip-flops, universal gate combinational circuits, A/D and D/A converters. 5. Electrical Machines and power Electronic Drives: Single phase transformer, equivalent circuit, tests, regulation and efficiency, three phase transformer connections parallel operation, auto transformer, principle of energy conversion, winding of rotating machines, DC generators and motors, characteristics, starting and speed control, three phase induction motors performance characteristics, starting and speed control, single phase induction motors, synchronous generators, performance, regulation, parallel operation, synchronous motors, starting characteristics and applications, synchronous condensers, fractional horse power motors, permanent magnet and stepper motors, Characteristics of Power Electronic devices, phase control, bridge converters, choppers and inverters, basic concepts of adjustable speed drives. 6. Power Systems: Electrical power generation thermal, hydro, nuclear : transmission line parameters; steady state performance of overhead transmission lines and cables, surge propagation, distribution systems, insulators, bundle conductors, corona, and radio interference effects; per-unit quantities: bus admittance and impedance matrices: load flow: voltage control and power factor correction; economic operation, symmetrical components, analysis of symmetrical and unsymmetrical faults; principles of over current, differential and distance protections, circuit breaker, concept of system stability, swing curves and equal area criterion Syllabus(for Mechanical branch/AE)1. Strength of Materials: Simple stresses and strains Hookeís law, elastic constants, stress strain curve of mild steel bars of uniform strength, compound bars, temperature stresses, stresses on oblique planes ñ principal stresses and strains, Mohrís stress circle, shear force and bending moment diagrams for beams, bending and shear stresses in beams, deflections of beams, columns and struts, strain energy, torsion of circular shafts and springs. 2. Fluid Mechanics and Machinery: Basic fluid properties, fluid static ñ pressure measurements, buoyancy and flotation, fluid kinematics, fluid dynamics ñ Eulerís Bernoulliís and Impulse momentum equations, laminar and turbulent flows, flow through pipes and losses in pipes, bends, boundary layer theory, compressible fluid flow, impact of jets, Hydraulic turbines and pumps, Ram, Accumulator and intensifier. 3. Material science and metallurgy: Structure and properties of engineering materials, bonding in solids, imperfections in crystals and metals, structure of alloys, manufacture of iron and steel, heat treatment, alloy steels, principles of powder metallurgy. 4. Theory of Machines: Displacement, velocity and acceleration analysis of plane mechanisms, dynamic analysis of slider ñ crank mechanism, gear trains, flywheels. 5. Vibrations: Free and forced vibrations, effect of damping, resonance, vibration isolation, critical speeds of shafts. 6. Design of Machine elements: Design for static and dynamic loading failure theories, fatigue strength, S-N diagram, design of joints, shafts, bearings, gears, brakes, clutches, screws, springs, cranks, piston, gyroscopes, balancing and governors. 7. Heat Transfer: Various modes of heat transfer, fins, heat exchangers, LMTD & NTU methods, unsteady state heat conduction, dimensionless parameters, free and forced convective heat transfer, thermal boundary layer, heat transfer in flow-over flat plates and through pipes, effect of turbulence, radiative heat transfer, shape factors, network analysis, condensation and boiling. 8. Thermodynamics: Zeroth, first and second laws of thermodynamics, thermodynamics systems and processes, Carnot cycle, Air-standard cycles, irreversibility and availability, propertiesof pure substances, psychometry, Refrigeration and Air conditioning, working principles and their applications. 9. Applied Thermodynamics: classification of compressors and its working principles, Classification of I.C. Engines and its working principles, performances, Design considerations of combustion chambers for C.I. & S.L Engines, knocking, rating of fuels, lubrications, Ignition systems. 10. Turbo Machines: Working principles of gas turbines, steam turbines, Rankineís cycle. Modified Rankineís cycle, jet propulsion and nozzles. 11. Metal cutting and machine tools: Mechanics of machining, single and multi point cutting tools, tool geometry , tool life wear, cutting force analysis, micro finishing machines ñ EDM, ECM and USM, NC machines, jigs and fixtures. Standards of measurements, limits, fits, tolerances, linear and angular measurements, comparators, lathes, drilling, shaping, planning, milling, gear cutting. Broaching and grinding machines. 12. Foundry, Welding and Forging: Design of patterns moulds and cores, solidification, design consideration of runner, riser and gate. Physics of welding, types of welding and their principles, brazing, soldering, adhesive bonding, Fundamental of hot and cold working processes, forging, rolling, extrusion, drawing, shearing and bending. 13. Production and operation management: Plant layout, material handling, production planning and control, materials, management and work studies, inspections, quality control, cost analysis, operation research, basic concepts of CAD/CAM, inventory control. Syllabus(for Electronics branch/AE)1. Basics of Circuits and Measurement Systems: Kirchoffís laws, mesh and nodal Analysis, Circuit theorems. One-port and two- port Network Function. Static and dynamic characteristics of Measurement Systems. Error and uncertainty analysis. Statistical analysis of data and curve fitting. 2. Transducers, Mechanical Measurement and Industrial Instrumentation: Resistive, Capacitive, Inductive and piezoelectric transducers and their signal conditioning. Measurement of displacement, velocity and acceleration (translational and rotational), force, torque, vibration and shock. Measurement of pressure, flow, temperature and liquid level. Measurement of pH, conductivity, viscosity and humidity. 3. Analog Electronics: Characteristics of diode, BJT, JFET and MOSFET. Diode circuits. Transistors at low and high frequencies, Amplifiers, single and multi-stage. Feedback amplifiers. Operational amplifiers, characteristics and circuit configurations, Instrumentation amplifier. Precision rectifier. V-to-I and I-to-V converter. Op-Amp based active filters. Oscillators and signal generators. 4. Digital Electronics: Combinational logic circuits, minimization of Boolean functions. IC families, TTL, MOS and CMOS. Arithmetic circuits, Comparators, Schmitt trigger, timers and mono-stable multi vibrator. Sequential circuits, flip-flops, counters , shift registers, Multiplexer, S/H circuit, Analog-to-Digital and Digital-to-Analog converters. Basics of number system. Microprocessor applications, memory and input-output interfacing. Microcontrollers. 5. Signals, Systems and Communications: Periodic and aperiodic signals. Impulse response, transfer function and frequency response of first and second order systems. Convolution, correlation and characteristics of linear time invariant systems. Discrete time system, impulse and frequency response. Pulse transfer function. IIR and FIR filters. Amplitude and frequency modulation and demodulation. Sampling theorem, pulse code modulation. Frequency and time division multiplexing. Amplitude shift keying, frequency shift keying and pulse shift keying for digital modulation. 6. Electrical and Electronic Measurements: Bridges and potentiometers, measurement of R, L and C. Measurements of voltage, current, power, power factor and energy. A.C & D.C current probes. Extension of instrument ranges. Q-meter and waveform analyzer. Digital voltmeter and multi-meter. Time, phase and frequency measurements. Cathode ray oscilloscope. Serial and parallel communication. Shielding and grounding.7. Control Systems and Process Control: Feedback principles. Signal flow graphs. Transient Response, steady-state- errors. Routh and Nyquist criteria. Bode plot, root loci. Time delay systems. Phase and gain margin. State space representation of systems. Mechanical, hydraulic and pneumatic system components. Synchro pair, servo and step motors. On-off, cascade, P, P-I, P-I-D, feed forward and derivative controller, Fuzzy controllers. 8. Analytical, Optical Instrumentation: Mass spectrometry, UV, visible and IR spectrometry, X-ray and nuclear radiation measurements. Optical sources and detectors, LED, laser, Photo-diode, photo-resistor and their characteristics. Interferometers, applications in metrology. Basics of fiber optics. Syllabus (for Civill branch/AE)1. Strength of materials and theory of structures: Simple stresses and strains, Hookeís Law, elastic constants, stress strain curve of mild steel stresses on oblique planes ñ Principal stresses and strains, Mohrís stress circle, temperature stresses, compound bars, shear force and bending moment diagrams for beams, bending and shear stresses in beams, strain energy principles, torsion of circular shafts ñ Pure torsion and combined with bending and thrust, deflections of simple beams, thin and thick cylinders, columns and struts, direct and bending stresses, trusses, propped cantilevers and fixed beams, arches, cables and suspension bridges; moving loads and influence lines; static and kinematic indeterminacies, Continuous beams and portal frames- movement distribution, Kaniís and matrix methods. Unsymmetrical Bending and shear Centre. 2. Reinforced Concrete: Materials ñ properties, grades and tests, workability and mix design of concrete ñ basic concepts of working stress and limit state methods of design ñ Limit state design of beams, slabs, columns, footings. Circular and flat slabs, water tanks, bridges ñ IRC specifications and loadings, Slabs and T ñ beam bridges, retaining walls, Pre-stressed concrete ñ basic concepts, losses and analysis and design of beams including end block. 3. Steel structure: Rivetted and welded joints, Connections ñ eccentric and framed, simple and compound beams, tension and compression members, plate and gantry girders, roof trusses, plate girder and truss bridges, water tanks, roof trusses, tubular sections and design, transmission towers, column bases, plastic analysis, basic principles, theorems, methods of analysis, analysis and design of determinate and indeterminate beams and frames. 4. Geo-Technical Engineering: Origin and classification of soils, three phase system, basic definitions and relations, effective stress. Permeability, capillarity and seepage of soils, flownets, flow through earthen dams, compressibility, consolidation and compaction of soils, shear strength, stability of slopes, earth pressures and retaining walls, stress distribution in soils, settlement analysis, subsurface exploration and site investigations, bearing capacity of soils, shallow and deep foundations, pile foundations. 5. Other Topics: Elements of surveying ñ Chain, plane table, compass and theodolite, leveling, building materials and construction, formwork, CPM and PERT. 6. Fluid Mechanics and Machinery: Properties of fluids, pressure measurement fluid statics, buoyancy and flotation, fluid kinematics and fluid dynamics, orifices and mouthpieces, notches and weirs, laminar and turbulent flows, flow through pipes, forces on immersed bodies, flow in open channels, impact of jets, Hydraulic turbines and pumps, dams, power houses, hydrology and hydro power plants. ## Prepare for competitive exams with the Test Papers below## Register Now## With registration you get access to 400 Test Papers, 50 Study Materials for Free! |
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