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NALCO SUPT JOT Electrical Free Mock Test
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NALCO SUPT (JOT) Electrical Syllabus 2026, Exam Pattern
NALCO SUPT (JOT) Electrical Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about NALCO has published notification 2026 for the recruitment of SUPT (JOT) Electrical vacancies. Those Candidates who are Interested to the following vacancy and completed all Eligibility Criteria can read the Notification & Apply Online. In this page we provide the Complete Syllabus of this Recruitment with Latest Update Exam Pattern and the Exam Date also.
NALCO SUPT (JOT) Electrical Syllabus 2026 - Overview
| Organization Name | National Aluminium Company Limited (NALCO) |
| Post Name | SUPT (JOT) Electrical (Non Executive) |
| No of Posts | 35 |
| Application Mode | Online |
| Category | Syllabus and Exam Pattern |
| Selection Process | Computer Based Test (CBT) Trade Test (for select posts) Document Verification Pre-employment Medical Examination (PEME) |
| Official website | nalcoindia.com |
NALCO SUPT (JOT) Electrical Syllabus 2026
Technical Subject : (Expected)
1. Fundamentals & Basic Electricity :
Safety Practices & Health: First-aid, artificial respiration, rescue techniques, safe use of tools, and disposal of hazardous waste.
Basic Terms: Voltage, current, resistance, power, energy, frequency, and their respective units.
Ohm’s Law & Kirchhoff’s Laws: Series and parallel circuits, network theorems, and network calculations.
Conductors, Insulators, and Semiconductors: Types, properties, and applications.
Soldering & Flux: Types of solders, soldering techniques, and conductors jointing.
2. Electrostatics, Magnetism & AC Circuits :
Magnetism: Properties of magnets, magnetic fields, flux density, reluctance, electromagnetism, and electromagnetic induction (Faraday's Laws).
Capacitors & Inductors: Types, grouping in series/parallel, and energy storage.
AC Fundamentals: Sinusoidal voltage and current, peak, RMS, average values, form factor, and crest factor.
Single-Phase & Poly-Phase Systems: RLC circuits, power factor correction, star and delta connections, active, reactive, and apparent power.
3. Electrical Measuring Instruments :
Classification of Instruments: Indicating, recording, and integrating instruments.
Types of Meters: Ammeter, Voltmeter, Ohm-meter, Wattmeter, Energy meter (single and three-phase), Megger (insulation tester), and Earth Tester.
Measurement Concepts: Shunts and multipliers, extension of instrument ranges, and calibration principles.
4. Electrical Machines (AC & DC) :
DC Generators: Construction, working principle, types (shunt, series, compound), EMF equation, and characteristics.
DC Motors: Principle, torque equation, speed control, starters (3-point, 4-point), and maintenance/troubleshooting.
Transformers: Single-phase and three-phase transformers, construction, core/shell type, transformation ratio, efficiency, cooling methods, and open/short circuit tests.
Alternators & Synchronous Motors: Working principles, EMF equation, parallel operation, and synchronization methods.
Three-Phase & Single-Phase Induction Motors: Squirrel cage and slip ring induction motors, starters (DOL, Star-Delta, Auto-transformer), speed control, fractional horsepower motors (split-phase, capacitor start, universal motor).
5. Power System Generation, Transmission & Distribution :
Power Plants: Overview of thermal, hydro, nuclear, and non-conventional energy sources.
Transmission & Distribution Lines: Overhead lines vs. underground cables, insulators, conductors, sagging, and distribution networks.
Substation Equipment: Circuit breakers, lightning arrestors, isolators, and bus-bar arrangements.
6. Wiring Systems, Earthing & Domestic Appliances :
Domestic & Industrial Wiring: Types of wiring (cleat, casing-capping, conduit), I.E. rules for wiring, layout diagrams, and testing of installations.
Earthing/Grounding: Importance of earthing, types (pipe, plate earthing), earth resistance measurement, and methods to minimize earth resistance.
Illumination: Types of lamps (Incandescent, Fluorescent, CFL, LED, Sodium vapor, Mercury vapor), luminous efficiency, and lighting layout design.
Electrical Appliances: Working principles of heaters, geysers, electric irons, mixers, fans, and washing machines.
7. Basic Electronics, Digital Electronics & Industrial Drives :
Semiconductor Diodes: P-N junction characteristics, rectifiers (half-wave, full-wave, bridge), filters, and Zener diodes.
Transistors & Power Electronics: BJT, FET, UJT, SCR, DIAC, TRIAC, and their basic switching/amplification applications.
Digital Logic: Number systems (Binary, Decimal, Hexadecimal), Logic gates (AND, OR, NOT, NAND, NOR, EX-OR), and truth tables.
Batteries & Cells: Lead-acid batteries, nickel-iron cells, charging methods, care, and maintenance.
Safety Practices & Health: First-aid, artificial respiration, rescue techniques, safe use of tools, and disposal of hazardous waste.
Basic Terms: Voltage, current, resistance, power, energy, frequency, and their respective units.
Ohm’s Law & Kirchhoff’s Laws: Series and parallel circuits, network theorems, and network calculations.
Conductors, Insulators, and Semiconductors: Types, properties, and applications.
Soldering & Flux: Types of solders, soldering techniques, and conductors jointing.
2. Electrostatics, Magnetism & AC Circuits :
Magnetism: Properties of magnets, magnetic fields, flux density, reluctance, electromagnetism, and electromagnetic induction (Faraday's Laws).
Capacitors & Inductors: Types, grouping in series/parallel, and energy storage.
AC Fundamentals: Sinusoidal voltage and current, peak, RMS, average values, form factor, and crest factor.
Single-Phase & Poly-Phase Systems: RLC circuits, power factor correction, star and delta connections, active, reactive, and apparent power.
3. Electrical Measuring Instruments :
Classification of Instruments: Indicating, recording, and integrating instruments.
Types of Meters: Ammeter, Voltmeter, Ohm-meter, Wattmeter, Energy meter (single and three-phase), Megger (insulation tester), and Earth Tester.
Measurement Concepts: Shunts and multipliers, extension of instrument ranges, and calibration principles.
4. Electrical Machines (AC & DC) :
DC Generators: Construction, working principle, types (shunt, series, compound), EMF equation, and characteristics.
DC Motors: Principle, torque equation, speed control, starters (3-point, 4-point), and maintenance/troubleshooting.
Transformers: Single-phase and three-phase transformers, construction, core/shell type, transformation ratio, efficiency, cooling methods, and open/short circuit tests.
Alternators & Synchronous Motors: Working principles, EMF equation, parallel operation, and synchronization methods.
Three-Phase & Single-Phase Induction Motors: Squirrel cage and slip ring induction motors, starters (DOL, Star-Delta, Auto-transformer), speed control, fractional horsepower motors (split-phase, capacitor start, universal motor).
5. Power System Generation, Transmission & Distribution :
Power Plants: Overview of thermal, hydro, nuclear, and non-conventional energy sources.
Transmission & Distribution Lines: Overhead lines vs. underground cables, insulators, conductors, sagging, and distribution networks.
Substation Equipment: Circuit breakers, lightning arrestors, isolators, and bus-bar arrangements.
6. Wiring Systems, Earthing & Domestic Appliances :
Domestic & Industrial Wiring: Types of wiring (cleat, casing-capping, conduit), I.E. rules for wiring, layout diagrams, and testing of installations.
Earthing/Grounding: Importance of earthing, types (pipe, plate earthing), earth resistance measurement, and methods to minimize earth resistance.
Illumination: Types of lamps (Incandescent, Fluorescent, CFL, LED, Sodium vapor, Mercury vapor), luminous efficiency, and lighting layout design.
Electrical Appliances: Working principles of heaters, geysers, electric irons, mixers, fans, and washing machines.
7. Basic Electronics, Digital Electronics & Industrial Drives :
Semiconductor Diodes: P-N junction characteristics, rectifiers (half-wave, full-wave, bridge), filters, and Zener diodes.
Transistors & Power Electronics: BJT, FET, UJT, SCR, DIAC, TRIAC, and their basic switching/amplification applications.
Digital Logic: Number systems (Binary, Decimal, Hexadecimal), Logic gates (AND, OR, NOT, NAND, NOR, EX-OR), and truth tables.
Batteries & Cells: Lead-acid batteries, nickel-iron cells, charging methods, care, and maintenance.
General English :
1. Joining Sentences
2. Substitution
3. Passage Completion
4. Idioms and Phrases
5. Sentence
6. Completion
7. Error Correction (Phrase in Bold)
8. Antonyms
9. Active and Passive Voice
10. Substitution
11. Sentence Improvement
12. Synonyms
13. Spelling Test
14. Error Correction (Underlined Part)
15. Transformation
16. Prepositions
17. Sentence Arrangement
18. Fill in the blanks
19. Spotting Errors
20. Para Completion
Quantitative Aptitude :
1. Mixtures and Allegations
2. Mensuration
3. Permutations and Combinations
4. Problems on L.C.M and H.C.F
5. Pipes and Cisterns
6. Odd Man Out
7. Quadratic Equations
8. Probability
9. Profit and Loss
10. Simplification and Approximation
11. Percentages
12. Simple Equations
13. Problems on Numbers
14. Time and Work Partnership
15. Ratio and Proportion
16. Boats and Streams
17. Simple Interest
18. Time and Distance
19. Problems on Trains
20. Areas
21. Races and Games
22. Numbers and Ages
23. Averages
24. Indices and Surds
25. Compound Interest
26. Volumes
Reasoning :
1. Analogy
2. Series Completion
3. Verification of truth of the Statement
4. Situation Reaction Test
5. Direction Sense Test
6. Classification
7. Data Sufficiency
8. Alpha- Numeric Sequence Puzzle
9. Dot Situation
10. Identical figure groupings
11. Forming figures and analysis
12. Construction of squares and Triangles
13. Series
14. Analytical Reasoning
15. Paper Folding
16. Paper Cutting
17. Cubes and Dice
18.Water Images
19. Mirror Images
20. Figure Matrix
21. Completion Incomplete Pattern
22. Spotting embedded figures
23. Classification
24. Rules Detection
25. Puzzle Test
26. Blood Relations
27. Coding-Decoding
28. Assertion and Reasoning
29. Arithmetical Reasoning
30. Operations of Mathematics
31. Venn Diagrams
32. Word Sequence
33. Missing Characters
34. Sequential Output training
35. Directions
36. Test on Alphabets
37. Eligibility Test
General Knowledge :
1. Important Days
2. Indian History
3. Books and Authors
4. Awards and Honors
5. Indian National Movement
6. Sports
7. Current Affairs – National and International
8. Abbreviations
9. General Policy
10. Science and Technology
11. Science – Inventions & Discoveries
12. Capitals of India
13. Indian Economy
14. Budget and Five Year Plans
15. Countries and Capitals
16. International and National Organizations
NALCO SUPT (JOT) Electrical Exam Pattern 2026
There will be no negative marking for wrong answer.
Medium of Exam : Hindi & English
Duration : 120 Minutes
Exam Date 2026 : Notified Soon
Starting Date of Application Form : 21st May 2026
Last Date of Application Form : 10th June 2026
Total Post : 35
Medium of Exam : Hindi & English
Duration : 120 Minutes
| S.No | Subject | No.of Question | Marks |
| 1 | Technical Subject | 60 | 60 |
| 2 | Quantitative Aptitude, Reasoning, General Knowledge & English | 40 | 40 |
| Total | 100 | 100 |
Exam Date 2026 : Notified Soon
Starting Date of Application Form : 21st May 2026
Last Date of Application Form : 10th June 2026
Total Post : 35
NALCO SUPT (JOT) Electrical Exam Free Online Test Series
Crack NALCO SUPT (JOT) Electrical Mock Test 2026 with the help of Online Test Series or Free Mock Test. Every Sample Paper in NALCO Non Executive Exam has a designated weightage so do not miss out any Paper. Preprare for NALCO SUPT (JOT) Electrical Mock Test and check your test scores.
NALCO SUPT JOT Electrical Exam Free Online Question Bank
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NALCO SUPT JOT Electrical
Combo - 1 (Hindi)
1. Online Mock Test Series in Hindi = 10 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
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Combo Package
NALCO SUPT JOT Electrical
Combo - 2 (Hindi)
1. Online Mock Test Series in Hindi = 16 Tests.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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Combo Package
NALCO SUPT JOT Electrical
Combo - 3 (English)
1. Online Mock Test Series in English = 10 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
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3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
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NALCO SUPT JOT Electrical
Combo - 4 (English)
1. Online Mock Test Series in English = 18 Tests.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
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3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
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Combo Package
NALCO SUPT JOT Electrical
Combo - 5 (Hindi)
1. Online Mock Test Series in Hindi = 16 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹681₹751
Combo Package
NALCO SUPT JOT Electrical
Combo - 6 (English)
1. Online Mock Test Series in English = 18 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
₹691₹761
Combo Package
NALCO SUPT JOT Electrical
Combo - 7 (Hindi)
1. Online Mock Test Series in Hindi = 16 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of NALCO SUPT JOT Electrical (1000 MCQ) PDF Format in Hindi.
5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of NALCO SUPT JOT Electrical (1000 MCQ) PDF Format in Hindi.
5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹781₹941
Combo Package
NALCO SUPT JOT Electrical
Combo - 8 (English)
1. Online Mock Test Series in English = 18 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of NALCO SUPT JOT Electrical (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of NALCO SUPT JOT Electrical (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
₹791₹951
FAQs
Nalco Supt (jot) Electrical 2026 Free Mock Test Frequently Asked Questions (FAQ's)
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