Syllabus Model Question for APEPDCL Junior Linemen Recruitment Energy Assistants in GSWS. The Detailed syllabus for the Written Exam of APEPDCL / APSPDCL Junior Linemen Recruitment / Energy Assistants through GSWS Department. Candidates have to face total 80 Questions. Details are given below. Syllabus for Energy Assistants (JLM Grade-II). Selection Process and Syllabus for Junior Linemen JLM Grade II
Syllabus Model Question for APEPDCL Junior Linemen Recruitment Energy Assistants in GSWS
First Let us see the Procedure of selection for Junior Linemen Grade II Post:
Procedure of Selection:
Part –A:
i. The candidate must possess SSC/10th Class with ITI qualification in Electrical Trade/Wireman trade or 2 years Intermediate Vocational course in Electrical Domestic Appliances and Rewinding (EDAR)/Electrical Wiring & Contracting (EWC)//Electrical Wiring and Servicing of Electrical Appliances (EW & SEA) and Electrical Technician from a recognized Institution/Board of Combined AP/AP State Education Department. ii. The written test will be conducted based on the ITI syllabus for 80 marks consisting of 80 multiple choice questions and each question carries 1 mark.
Minimum Qualifying marks in the Written Test as per rules:
OC : 40%
BC : 35%
SC/ST : 30%
Note: Mere securing minimum qualifying marks in the written examination doesn’t vest any right to a candidate for being called for tests or for appointment.
iii. The In service Candidates who have qualified in the written test are only eligible for weightage marks.
iv. The in-service experience of outsourcing candidates, who have been working in the organizations of AP DISCOMs and having qualifications indicated at part-A (i) and qualified in the written test as indicated at Part-A (iii) above will be considered for weightage marks and will be given one mark for each completed period of 6 months (i.e. 180 working days) to a maximum of 20 marks, depending on the length of service in the relevant job (O&M Related Works), up to the date of notification i.e., 27.08.2021.
v. Evaluation shall be done as follows:
Total Marks = 100
(i) Written Test Marks : 80 Marks
The duration of the written examination will be 1 Hr 45 Minutes. The syllabus for the written examination for Energy Assistant (JLM Gr.II) is placed at Annexure-II.
(ii) Weightage Marks maximum upto 20 marks for the outsourcing workers, who have been working in the organization of AP Discoms as on the date of this notification and having relevant experience and who qualify in the Written Examination as indicated Part-A (iv) above.
Syllabus for Energy Assistants (JLM Grade-II)
ITI (Electrician), ITI (Wire man) and Inter Vocational Course (Electrical Technician)
1. Fundamentals of Electrical Engineering
Electric current-conductors- Semiconductors-Insulators, Electric potential resistance- laws of resistance, Effects of temperature on resistance, Ohms law, Resistances in series, parallel and Series-parallel, Kirchhoff’s laws.
2. Electro Magnet ism
Introduction to magnets, Magnetic pole, magnetic axis, pole strength, Properties of magnets, Classification of magnets, Fleming left hand rule, Field pattern of long straight conductor, solenoid.
3. Electro Magnetic Induction
Concept of electro-magnetic induction Lenz's law -Fleming's right-hand rule, Faraday laws of electromagnetic induction-types of emf s-dynamically and statically induced emf, Self and mutual induction.
4. Cells and Batteries
Chemical effects of electric current-faraday laws of electrolysis, Cells and their components-Definition of battery-Primary cells -defects and remedies, dry cell Secondary cell-comparison between primary cells and secondary cells, Lead acid cell-principle and working of lead acid cell detailed study-Wh & Ah efficiencies of cell, charging methods of secondary cells, Maintenance of Lead acid cell and testing of lead acid battery.
5. Electrostatics
Definition of Electric charge & its Units, Capacitance- Definition and formula, Types of Capacitors, Capacitors in series and parallel.
6. Electrical Wiring accessories, wiring tools and wire joint Types of switches with modern approach, Other accessories like lamp holders, ceiling roses, sockets, fuses etc. (detailed study), Fuses and fuse materials, MCB & CBs, wiring tools, Wire joints, Soldering, taping and termination of wires/Cables and cable joints.
7. Wiring Systems & wiring circuits
Types of house wiring-Cleat wiring, CTS/TRS wiring, Conduit wiring, Casing capping wiring-detailed study, Comparison between different wiring methods, Stair case wiring, series and parallel circuits, Master switch circuits, Corridor wiring circuits, Fluorescent tube light circuit, flashers, moving lights.
8 . Earthing
Necessity of earthing- definitions of fundamental terms in earthing like earth, earth lead, earth electrode, earth wire etc, Types of earthing-detailed study of pipe earthing and plate earthing, Specifications of materials used for earthing, Measurement of Earth resistance, IE rules for earthing. 9. IE rules for Electrical wiring
Precautions to be observed while installing different electric appliances in houses, I E Rules regarding house wiring, Causes of Fire accidents due to Electricity failures.
10. Indicating Instruments
Classification of Indicating type measuring instruments, Effects of currents used in indicating instruments, torques/forces in electrical instruments, Basic requirements of indicating instruments, Moving Iron Instruments, MC instruments — difference between MI and MC insts., Extension of MI & MC Instruments, Measurement of Power-Dynamometer type, different types of errors in indicating instruments.
11. Integrating Instruments
Definition and classification of integrating instruments, 1-ph, 3-ph phase induction type energy meters, errors in energy meters.
12. Special instruments
Power factor meter, Frequency meter, Synchronoscope, Instrument transformers CT-PT, Multi meter, Megger, Tongue tester.
13. Semiconductor Devices and Their Applications
Atomic structure and semiconductor theory, P-type and N-type materials, P N junction, biasing and characteristics of diodes. Rectifier circuit - half wave, full wave, bridge rectifiers, Transistors-types of transistors- configurations, applications, working of inverter and UPS.
14. D.C . Generators
Generator Principle, simple loop generator, Production of induced EMF and its nature, Construction details of DC Generator, Yoke-poles-pole shoes - Armature- Commutator - brush assembly bearing Field coils, Armature winding-lap and wave winding, E.M.F. equation, Types of Generators separately- Self excited-series-shunt-compound wound, Applications of different types of Generators.
15. D.C. Motors
Principle of working-Significance of back EMF(Eb), Types of dc motors, Series shunt and compound motors, speed and torque equation, Speed Control of Motors-Field control method for series & shunt motors- Armature control methods (for shunt motors only), DC motor starters-Necessity of starter working of 3-point starter-4-point starter, Applications of different types of motors.
16. A C fundamentals & Circuits
Definitions of Alternating currents and voltage, different wave forms, Definition of cycle, time period, Frequency, Amplitude, Instantaneous value, maximum, Average and RMS values of A.0 voltage & current, Form factor, Peak factor of sinusoidal wave, Phaser representation of A.C, Phase & Phase difference of ac, Power & Power Factor. Single phase A.C. Through Pure Resistive/Inductive/capacitive circuit- current-voltage-phaser diagrams power-power factor, A.C. through R-LIR-C/R-L-C Circuit Current -voltage phasor diagram Power-Power factor, Poly phase circuits-advantages of poly phase over single-phase Star and delta connection- voltage & current Relation in star connection -Delta or mesh connections, 3-phase power equation.
17. Transformers
Transformer — Its construction, working, performance, EMF equation, Cooling of transformer, losses and efficiency, transformation ratio. Construction of core, winding shielding, auxiliary parts breather, conservator. Buchholz's relay, other protective devices, Transformer oil testing, Auto transformer- working, Applications.
18. Alternators
Principle and operation of Alternators, Relation between speed, no. of poles and frequency, Constructional details of alternator — Salient pole type and smooth cylindrical type, EMF equation.
19. Three-Phase Induction Motors
Classification of 3-Ph motors, working principle of 3-Ph Induction motors, Relations between Ns, no. of poles and supply frequency-Definition of Slip & slip speed, Constructional details of Induction Motors-squirrel cage and slip ring motors, Starters for Induction Motors-Necessity of starter-D.O.L starter-Star/delta starter-Rotor resistance starter for slip ring Induction Motor, Applications.
20. Single phase Induction Motors
Principle of operation of Single-phase Induction Motors, Types of 1-Ph Induction motor like Split phase, capacitor start -capacitor start capacitor run-shaded pole motors- their applications. 21. Generation of Power
Sources of Electrical Energy- conventional-non conventional energy sources, Generation of Electrical power using conventional energy sources -working of Hydel and Thermal power stations.
22. Transmission and Distribution of Power
Transmission of power from generating station to receiving stations, use of step-up and step-down transformers and associated equipment, Use of Circuit breaker-isolators-earth switches, C.T.'s etc., Distribution of power, Transformer substations, Distribution T/F Substation-Double Pole Structure-Pole mounted and Plinth mounted T/F, Substation associated equipment such as A.B. switch, L.A.-H.G. Fuse-Circuit Breaker.
23. Planning, Estimation & Costing of Wiring
Control Panel elements, types and specifications, Concept and Principle of plan, estimation and cost. Preparation of complete house wiring layout, industrial wiring.
24. Illumination
Introduction of Illumination, Terms & definitions, laws of illumination, requirements of good lighting, intensity of light —importance of light, colour available. Construction, working & applications of — Incandescent lamp, Fluorescent tube, CFL, Neon sign, Halogen, Mercury vapour and types, sodium vapour etc. Decoration lighting.
