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MECL Mechanic cum Operator (Drilling) Syllabus 2026, Exam Pattern
MECL Mechanic cum Operator (Drilling) Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about Mineral Exploration & Consultancy Limited (MECL) has published notification 2026 for the recruitment of Non- Executive [Mechanic-cum-Operator (Drilling)] 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.
MECL Mechanic cum Operator Syllabus 2026 – Overview
| Organization Name | Mineral Exploration & Consultancy Limited (MECL) |
| Post Name | Non- Executive [Mechanic-cum-Operator (Drilling)] |
| No. of Vacancies | 30 |
| Category | Syllabus and Exam Pattern |
| Job Location | Maharashtra |
| Exam Mode | Online |
| Official Portal | www.mecl.co.in |
MECL Mechanic cum Operator (Drilling) Syllabus 2026
General Knowledge :
1. Important Financial & Economic News
2. Abbreviations
3. Science – Invention & Discoveries
4. Sports and Games
5. Geography
6. General Politics
7. Important days
8. Economic Scene
9. Indian Constitution
10. Awards and Honors
11. Current events
12. Books
13. Culture
14. History
15. Books and Authors
16. Current Affairs – National & International
Reasoning :
1. Number Ranking
2. Arithmetical Computation
3. Alphabet Series
4. coding-Decoding
5. Analogy
6. Arithmetical Number Series
7. Logical Sequence of Words
8. The arrangement
9. Non-Verbal Series
10. Figure Classification
11. Clock & Calendars
12. Relationship Concept
13. Problem Solving
14. Embedded Figures
15. Verbal & Figure Classification
16. Arithmetical Reasoning
17. Number Series
Aptitude :
1. Data Interpretation
2. Time & Work
3. Mixture and Allegation
4. Time and Distance
5. Simple & Compound Interest
6. Problem on Ages
7. HCF & LCM
8. Number System
9. Decimal & Fraction
10. Simplification
11. Profit & Loss
12. Ratio & Proportion
13. Average
General English:
1. Synonyms and Antonyms
2. Error Detection
3. Sentence Completion, and Reading Comprehension.
Basic Computer Literacy & MS Office:
1. Fundamentals of Computer Software & Hardware,
2. Database Management System,
3. MS Office (Word, Excel, PowerPoint),
4. Internet Usage,
5. Emerging Technologies,
6. Web Publishing,
7. Boolean Algebra,
8. Windows,
9. PC Software,
10. Office Automation,
11. Computer Networks,
12. Introduction to Computer Science,
13. Data Structures.
Technical Subject : (Expected)
Mechanic cum Operator (Drilling)
I. Core Mechanical & Workshop Practices (Relevant to ITI Trades: EMM, Diesel Mechanic, Motor Mechanic, Fitter)
1. Occupational Safety and Health:
i. Importance of safety, general precautions in workshop and drilling site.
ii. Basic first aid, safety signs (danger, warning, caution).
iii. Safe handling of fuels, lubricants, and chemicals.
iv. Fire extinguishers and fire fighting procedures.
v. Safe disposal of waste materials (used oil, toxic dust).
vi. Working at heights, confined spaces, electrical safety.
vii. Use of Personal Protective Equipment (PPE).
2. Hand Tools & Measuring Instruments:
i. Identification, care, and use of various hand tools: spanners, wrenches (open-end, ring, torque, pipe), sockets, pliers, screwdrivers, hammers, chisels, hacksaws, files, punches.
ii. Precision measuring instruments: Micrometers (outside, depth), Vernier calipers, dial gauges (bore, indicator), feeler gauges, thread pitch gauges.
iii. Limits, fits, and tolerances in mechanical assemblies.
3. Basic Workshop Operations:
i. Marking, cutting, filing, sawing, chiseling.
ii. Drilling operations: Types of drilling machines, drill bits, drilling holes (clear, blind), reaming, tapping, threading.
iii. Grinding operations: Types of grinders, grinding wheels, safety precautions.
iv. Fasteners: Types of screws, nuts, bolts, studs, locking devices, thread types.
v. Joining methods: Basic understanding of welding, brazing, soldering (if applicable to minor repairs).
4. Engineering Materials:
i. Properties of common engineering materials: ferrous and non-ferrous metals, alloys.
ii. Heat treatment processes (basic concepts).
iii. Lubricants and their properties (grease, oils).
II. Internal Combustion Engines (Diesel & Petrol/Motor Mechanic)
1. Engine Fundamentals:
i. Types of IC engines: 2-stroke and 4-stroke (Diesel and Petrol).
ii. Working principles: Suction, Compression, Power, Exhaust strokes.
iii. Engine components: Cylinder block, cylinder head, piston, connecting rod, crankshaft, camshaft, valves, flywheel.
Engine systems:
i. Fuel System: Fuel tank, fuel lines, fuel pump (mechanical/electric), fuel filter, injectors/carburetor, air filter.
ii. Lubrication System: Oil sump, oil pump, oil filter, oil cooler, lubrication points.
iii. Cooling System: Radiator, water pump, thermostat, cooling fan, coolant.
iv. Exhaust System: Manifold, muffler.
v. Air Intake System: Air filter, turbocharger/supercharger (if applicable).
2. Engine Maintenance and Troubleshooting:
i. Routine maintenance: Oil changes, filter replacement, coolant checks, belt tensioning.
ii. Overhauling of engines: Dismantling, inspection of parts, reassembly.
iii. Common engine faults: Starting problems, misfiring, overheating, low power, excessive smoke, unusual noises.
iv. Diagnostic procedures using basic tools.
III. Heavy Earth Moving Machinery (HEMM) & Drilling Rig Specifics
1. Introduction to Drilling Rigs:
i. Types of drilling rigs: Rotary, DTH (Down-the-Hole), Percussion, Core drilling rigs (basic understanding of their applications in mineral exploration).
ii. Main components of a drilling rig: Mast/derrick, drawworks, rotary table/top drive, drill string (drill pipe, drill collars, bit), mud pump, power unit (diesel engine), control panel.
2. Drilling Operations Fundamentals:
i. Drill string assembly and handling.
ii. Drilling fluids (mud): Functions, types, basic properties.
iii. Casing and cementing (basic understanding of their purpose).
iv. Bit types and selection (basic concepts).
v. Basic understanding of drilling parameters (RPM, WOB, pump pressure).
3. Hydraulic Systems:
i. Principles of hydraulics: Pascal's law, fluid power.
ii. Hydraulic components: Pumps (gear, vane, piston), valves (directional control, pressure relief, flow control), cylinders (single/double acting), hydraulic motors, reservoirs, filters, hoses, fittings.
iii. Hydraulic circuits: Basic circuit diagrams and their function in drilling rigs (e.g., mast raising, feed control, rod handling).
iv. Maintenance and troubleshooting of hydraulic systems: Leak detection, fluid contamination, pressure issues, component replacement.
4. Pneumatic Systems:
i. Principles of pneumatics: Compressed air.
ii. Pneumatic components: Compressors, air receivers, FRL unit (Filter, Regulator, Lubricator), valves, actuators (cylinders, air motors).
iii. Basic pneumatic circuits in drilling rigs (e.g., for breaking rods, operating clutches).
iv. Maintenance and troubleshooting of pneumatic systems.
5. Power Transmission Systems:
i. Clutches: Types, function, maintenance.
ii. Gearboxes: Types (manual, automatic, planetary), function, maintenance.
iii. Drive shafts, universal joints.
iv. Bearings: Types (ball, roller, plain), selection, fitting, lubrication.
v. Brake systems: Types, working principle, maintenance.
6. Electrical Fundamentals (Basic for Machine Maintenance):
i. Basic electrical concepts: Voltage, current, resistance, power.
ii. AC/DC circuits.
iii. Batteries, alternators, starters.
iv. Fuses, relays, circuit breakers.
v. Basic wiring diagrams (understanding symbols).
vi. Troubleshooting basic electrical faults in machinery.
IV. Maintenance, Troubleshooting & Safety Specific to Drilling Rigs
1. Preventive and Predictive Maintenane:
i. Importance of scheduled maintenance.
ii. Daily checks, weekly checks, periodic inspections.
iii. Lubrication schedules and procedures.
iv. Identification of wear and tear, abnormal noises, vibrations.
2. Troubleshooting Techniques:
i. Systematic approach to fault diagnosis.
ii. Using technical manuals and circuit diagrams.
iii. Common mechanical, hydraulic, pneumatic, and electrical faults in drilling rigs and their remedies.
3. Rigging and Lifting Operations (Basic):
i. Safe rigging practices.
ii. Use of slings, shackles, hoists, cranes (basic understanding of their operation and safety precautions).
4. Drilling Site Safety:
i. Specific hazards in drilling operations: Rotating machinery, high pressure, heavy loads, falling objects, noise, dust, handling of drill rods.
ii. Emergency procedures: Blowout prevention (basic concept), fire safety, evacuation.
MECL Mechanic cum Operator (Drilling) Exam Pattern 2026
Duration : 120 Minutes
|
S.No.
|
Subject | No. of Question | Marks |
| 1. | General Aptitude | 50 | 50 |
| 2. | Technical Subject | 50 | 50 |
| Total | 100 | 100 |
Exam Date : Update Soon
Starting Date of Application Form : 12th September 2026
Last Date of Application Form : 11th October 2026
Total Post : 30
MECL Mechanic cum Operator (Drilling) Exam Free Online Test Series
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MECL Mechanic cum Operator (Drilling) Exam - English100 questions • 120 mins • 100 marks
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FAQs
Mecl Mechanic Cum Operator (drilling) 2026 Free Mock Test Frequently Asked Questions (FAQ's)
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