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KEA Water Supply Operator Syllabus 2026, Exam Pattern
KEA Water Supply Operator Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about KEA has published notification 2026 for the recruitment of Water Supply Operator 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.
KEA Water Supply Operator Syllabus 2026 - Overview
| Organization Name | Karnataka Examinations Authority (KEA), on behalf of the Directorate of Municipal Administration, Government of Karnataka |
| Post Names | Water Supply Operator, Electrician Grade-1, Assistant Water Supply Operator, Electrician Grade-2 |
| Total Vacancies | 202 |
| Application Mode | Online |
| Category | Syllabus and Exam Pattern |
| Selection Process | 1. Competitive written examination (Paper-1 and Paper-2) 2. Computer-Based Test |
| Official website | cetonline.karnataka.gov.in |
KEA Water Supply Operator Syllabus 2026:
Paper-1: General Knowledge:
General Awareness, General Intelligence & Reasoning, Numerical Ability, Mental Ability, Teaching Aptitude General English & General Kannada — Grammar, Vocabulary, Spelling, Synonyms, Comprehension, Correct/Incorrect Usage (Bachelor’s Degree Standard)
General Knowledge:
General Knowledge:
1. Famous Books and Authors
2. Important Inventions & Discoveries
3. Basic Science — Scientific Phenomena
4. Hygiene and Physiology (Human)
5. Chronology of Events in World History
6. Glimpses of Indian History
7. Geographical Terms (Basic)
8. Sports — International & National Figures
9. Awards, Honors and Prizes
10. Indian Culture — Land & People — Festivals; Physical Geography — Population, Literacy, Natural Regions, Natural Resources, Food/Non-Food Crops, Major Industries, Public Undertakings
Indian Art — Artists of Recognition — Classical Awards for Various Achievements
National Policy on Education, Constitution of India — Major Items, Union & State Govt., Cabinets
Indian Leaders of International & National Recognition (Who is Who — India)
11. Current International Affairs — India’s Foreign Relations
12. Current National Affairs
2. Important Inventions & Discoveries
3. Basic Science — Scientific Phenomena
4. Hygiene and Physiology (Human)
5. Chronology of Events in World History
6. Glimpses of Indian History
7. Geographical Terms (Basic)
8. Sports — International & National Figures
9. Awards, Honors and Prizes
10. Indian Culture — Land & People — Festivals; Physical Geography — Population, Literacy, Natural Regions, Natural Resources, Food/Non-Food Crops, Major Industries, Public Undertakings
Indian Art — Artists of Recognition — Classical Awards for Various Achievements
National Policy on Education, Constitution of India — Major Items, Union & State Govt., Cabinets
Indian Leaders of International & National Recognition (Who is Who — India)
11. Current International Affairs — India’s Foreign Relations
12. Current National Affairs
Subject Syllabus:
Paper-II: Technical / Trade Water Supply Operator :
Module 1: Water Supply Infrastructure & Plumbing Operations (Domain Core) :
Sources and Flow Systems: Sources of water (surface, sub-surface, deep borewells), intake wells, and gravity vs. pumping transmission mains.
Pumps and Pumping Stations:
Working principles, priming, starting, operation, and troubleshooting of Centrifugal pumps, Submersible pumps, Jet pumps, Reciprocating pumps, and Multistage high-head turbine pumps.
Head calculations (Static head, Dynamic head, Suction head, Delivery head, Friction losses).
Common pump faults: Cavitation, air locking, gland packing leaks, impeller wear, and bearing overheating.
Valves and Flow Control: Types, operation, and maintenance of Sluice/Gate valves, Globe valves, Non-Return/Reflux/Check valves, Air release valves, Pressure Relief Valves (PRV), Foot valves with strainers, and Scour valves.
Pipes and Conduits:
Pipe materials: Cast Iron (CI), Ductile Iron (DI), Galvanised Iron (GI), Mild Steel (MS), High-Density Polyethylene (HDPE), and Unplasticized PVC (uPVC).
Pipe joints: Flanged, socket and spigot, mechanical joints, threaded joints, and solvent cementing.
Water Treatment & Disinfection Basics: Filtration (slow sand and rapid sand filters), aeration, and chlorination processes (dosage calculation, residual chlorine testing, handling bleaching powder/liquid chlorine cylinders).
Storage and Distribution Networks: Elevated Reservoir / Overhead Tanks (OHT), Ground Level Reservoirs (GLR), service lines, water meters, leak detection, and distribution network layouts (dead-end, gridiron, radial, ring system).
Module 2: Fitter Trade Fundamentals (Mechanical Maintenance) :
Workshop Safety and Tools: Occupational safety, use of Personal Protective Equipment (PPE), first aid, fire extinguishers (types and suitability). Hand Tools & Measuring Instruments:
Linear and angular measurements: Steel rules, Vernier callipers, Outside/Inside micrometers, Dial test indicators (DTI).
Bench work tools: Vices, chisels, hacksaws (blade pitch selection), files (flat, half-round, triangular, smooth, bastard).
Marking tools: Scriber, punch, divider, surface gauge, angle plate, and V-block.
Drilling, Reaming, and Tapping: Twist drill nomenclature, cutting speed, feed calculations, drill chucks, counterboring, countersinking, hand taps, tap wrenches, and die stocks for external pipe threading.
Fasteners and Mechanical Drives:
Bolts, nuts, washers, studs, keys, keyways, and cotters.
Pipe flanges, gaskets (rubber, neoprene, spiral wound), and stuffing box gland packing.
Power transmission components: V-belts, pulleys, flexible/rigid couplings, shaft alignment (radial and axial alignment of motor-pump sets).
Bearings and Lubrication:
Ball bearings, roller bearings, and bush/journal bearings.
Lubrication types: Greases (calcium/lithium base), industrial oils, grease nipples, oil rings, and periodic lubrication schedules.
Sheet Metal, Pipe Bending & Joining: Pipe cutters, pipe vices, hydraulic pipe benders, and basic oxy-acetylene and arc welding principles for pipeline repairs.
Module 3: Electrical Trade Fundamentals (Power & Control Systems) :
Basic Electricity Principles: Ohm’s Law, Kirchhoff’s Laws, resistance, voltage, current, power, energy (kWh), and power factor (cosphi).
AC and DC Fundamentals: Single-phase and three-phase AC circuits, phase and line values (voltage and current in Star and Delta connections), frequency, and reactive power.
Motors & Drives (Pump Prime Movers):
Three-phase Squirrel Cage and Slip-ring Induction Motors: Construction, operating principles, torque-speed characteristics, and rotational direction reversal.
Submersible pump motors: Construction, water-filled vs. oil-filled winding, and cooling requirements.
Motor Starters & Control Gear:
Direct-On-Line (DOL) starters, Star-Delta starters (manual, semi-automatic, fully automatic), and Auto-transformer starters.
Contactors, No-Volt Coils (NVC), Overload Relays (OLR/bimetallic strip), timer relays, and push-button stations.
Protection devices: Fuses (rewirable, HRC), Miniature Circuit Breakers (MCB), Moulded Case Circuit Breakers (MCCB), and Earth Leakage Circuit Breakers (ELCB/RCCB).
Transformers and Substation Basics: Step-down distribution transformers (11text{ kV} / 415text{ V}), HT/LT switchgear, lightning arrestors, and oil levels/silica gel breathers.
Earthing and Electrical Safety:
Importance of equipment earthing; Plate earthing and Pipe earthing procedures.
Earth resistance testing using Earth Meggers; maximum permissible earth resistance values for electrical installations.
Electrical Measuring Instruments: Use and handling of Multimeters, Clip-on/Clamp meters (measuring running motor current), Tong testers, and Megohmmeter (Insulation Resistance/Megger testing for motor windings and underground cables).
Module 4: Instrumentation, Basic Automation & Preventive Maintenance :
Sensing and Indicating Devices: Bourdon tube pressure gauges, vacuum gauges (measuring pump suction), liquid level controllers (float switches), and ultrasonic level indicators.
Flow Measurement: Electromagnetic flow meters, mechanical water meters, and Venturimeter principles.
Preventive Maintenance & Daily Log Keeping:
Daily checklist: Pump bearing temperature, vibration checks, suction/discharge pressures, voltage balance across all three phases, and current draw.
Recording flow rates, pump operating hours, power consumption, and chemical consumption logs.
Emergency troubleshooting: Handling power trips, sudden loss of prime, pipe burst protocol, and dry run protection mechanisms.
Technical / Trade Assistant Water Supply Operator:
Module 1: Water Supply Network & Pumping Operations (Core Domain) :
Sources & Transmission of Water:
Surface sources (rivers, reservoirs, canals) and groundwater sources (open wells, tube wells, borewells).
Intake structures, raw water transmission mains, gravity flow vs. pumped head systems.
Pumps (Operation, Types & Priming):
Working principles of Centrifugal pumps, Submersible pumps, Jet pumps, Reciprocating pumps, and Multistage deep-well turbine pumps. Pump hydraulic parameters: Static suction lift, static discharge head, total dynamic head (H), friction head loss, and delivery rate (Q). Priming methods (manual, vacuum pump, foot valve sealing) and common pumping troubles: Cavitation, air locking, dry running, loss of prime, bearing overheating, and gland packing leaks.
Valves & Flow Controls:
Types, functions, and maintenance of Sluice/Gate valves, Non-Return/Reflux (check) valves, Foot valves with strainers, Air release valves (single and double acting), Scour/Blow-off valves, and Pressure Relief Valves (PRV).
Pipes, Materials & Joints:
Pipe materials: Cast Iron (CI), Ductile Iron (DI), Galvanised Iron (GI), High-Density Polyethylene (HDPE), and Unplasticized PVC (uPVC). Joining techniques: Socket and spigot (lead/rubber gasket), flanged connections, threaded joints, solvent cement bonding, and mechanical compression fittings.
Basic Water Quality & Treatment:
Physical parameters (turbidity, colour, odour) and basic disinfection.
Chlorination: Action of bleaching powder, sodium hypochlorite, dosage computation, residual chlorine testing (using Chloroscope / Orthotolidine test).
Distribution & Storage Systems:
Overhead Tanks (OHT / ESR), Ground Level Reservoirs (GLR), service pipelines, house connections (ferrule connections), water meter installation, and leak detection methods.
Module 2: Fitter Trade Fundamentals (Mechanical Assembly & Maintenance) :
Workshop Safety, PPE & First Aid:
Industrial safety protocols, hazardous gas awareness in manholes/pump pits, fire extinguishers (Class A, B, C, D), and artificial respiration.
Linear & Angular Measuring Instruments:
Steel rule, try square, Vernier calliper, external and internal micrometers, and dial test indicators (DTI).
Hand Tools & Bench Work:
Bench vices, pipe vices, chisels, hacksaws (TPI selection for conduit vs. pipe cutting), files (bastard, smooth, half-round, round). Marking tools: Scriber, centre punch, prick punch, dividers, surface gauges.
Drilling, Reaming, and Threading:
Bench and pillar drilling machines, twist drill bits, cutting speeds and feed rates.
Internal pipe tapping (taps, tap wrenches) and external pipe threading (dies and die stocks).
Fasteners, Gaskets & Pipe Fittings:
Bolts, nuts, studs, washers, keys, cotter pins, and split pins.
Flange packing: Rubber, neoprene, and compressed asbestos-free gaskets; Teflon (PTFE) tape and hemp thread with jointing compound.
Power Transmission & Alignment:
Pulleys, V-belts, direct couplings (flexible bush-pin type, rigid type).
Checking and correcting axial and radial shaft misalignment between electric motors and pumps.
Bearings & Lubrication:
Deep-groove ball bearings, roller bearings, sleeve/bush bearings.
Lubricants: Types of greases, lubricating oils, grease guns, grease nipples, and scheduled bearing repacking.
Module 3: Electrical Trade Fundamentals (Motors, Controls & Safety) :
Basic Electrical Quantities:
Voltage (V), Current (I), Resistance (R), Ohm’s Law, series and parallel circuits.
Power (W/kW), Energy (kWh), and Power Factor (cosphi).
AC Circuits & Three-Phase Systems:
Single-phase vs. Three-phase AC supply, phase sequence, Line voltage vs. Phase voltage, Line current vs. Phase current in Star (text{Y}) and Delta (Delta) configurations.
Electric Motors for Pumps:
Three-phase Squirrel Cage Induction Motors: Construction, stator, rotor, synchronous speed, slip, and method of reversing rotation direction. Submersible motors: Constructional differences (water-cooled vs. oil-cooled stator windings).
Motor Starters & Switchgear:
Direct-On-Line (DOL) starters and Star-Delta starters (Manual and Semi-Automatic).
Components: Contactors, Overload Relays (bimetallic OLR), No-Volt Coils (NVC), push buttons, and float switch control.
Circuit protection: Fuses (Rewirable and HRC), Miniature Circuit Breakers (MCB), Moulded Case Circuit Breakers (MCCB), and Earth Leakage Circuit Breakers (ELCB/RCCB).
Earthing & Safety Standards:
Purpose of earthing, Pipe earthing, and Plate earthing methods.
Neutral vs. Earth wire distinction; permissible earth resistance values in pumping installations.
Electrical Measuring Instruments:
Multimeters (AC/DC voltage, continuity), Clamp-on / Tong testers (measuring motor running current without breaking the circuit), and Insulation Resistance Testers (Megger testing of motor windings and power cables).
Module 4: Instrumentation, Logging & Preventive Maintenance :
Pressure & Level Monitoring:
Bourdon tube pressure gauges, compound/vacuum gauges on suction lines, and float-type liquid level switches in storage reservoirs.
Routine Inspection & Operating Logs:
Daily operator duties: Verifying line voltage balance before starting, checking starting and running currents, checking gland water dripping, monitoring pump bearing temperature and vibration.
Maintaining daily log sheets: Pumping hours, static/running water levels, units consumed (kWh), and flow register entries.
Emergency Troubleshooting:
Motor fails to start, excessive vibration/humming noise, motor tripping on overload, sudden drop in discharge pressure, and water hammer prevention.
KEA Water Supply Operator Exam Pattern 2026
Duration : 120 Minutes
Negative Marking : 0.25
| Paper | Subject | No.of Question | Mark |
| Paper-1 | General Knowledge | 100 | 100 |
| Paper-2 | Subject Specific Paper (Technical/Trade, Water Supply Operator, Assistant Water Supply Operator) | 100 | 100 |
| Total | 200 | 200 |
Exam Date 2026 : November 2026
Starting Date of Application Form : 16th September 2026
Last Date of Application Form : 30th September 2026
Total Post : 202
FAQs
KEA Water Supply Operator 2026 Exam Syllabus Frequently Asked Questions (FAQ's)
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