5.1 Conduction

Steady-State Conduction – Fourier's law, thermal conductivity, conduction through plane walls (single/composite), cylinders, spheres; thermal resistance concept, electrical analogy

Fins (Extended Surfaces) – Fin effectiveness, fin efficiency, infinitely long fin, insulated tip, heat dissipation

Unsteady Conduction – Lumped system analysis (Biot number criterion), Heisler charts, semi-infinite solid

5.2 Convection

Fundamentals – Thermal boundary layer, dimensionless numbers (Re, Pr, Nu, Gr, Ra), forced vs natural convection

Forced Convection – Correlations for flow over flat plates and through pipes (laminar and turbulent), Dittus-Boelter, Sieder-Tate equations

Natural Convection – Correlations for vertical plates, horizontal plates, cylinders; combined convection

5.3 Radiation

Fundamentals – Stefan-Boltzmann law, Wien's displacement law, Planck's law, emissivity, absorptivity, Kirchhoff's law, black and grey body radiation

View Factors & Enclosures – Reciprocity relation, summation rule, radiation exchange between black and grey surfaces, radiation shields

5.4 Heat Exchangers

6.1 Fluid Properties & Statics

Fluid Properties – Density, specific gravity, viscosity (dynamic and kinematic), surface tension, capillarity, compressibility, Newtonian and non-Newtonian fluids

Fluid Statics – Hydrostatic law, pressure measurement (manometers, mechanical gauges), Pascal's law, forces on submerged surfaces (plane and curved), buoyancy, stability of floating bodies, metacentric height

6.2 Fluid Kinematics & Dynamics

Kinematics – Eulerian and Lagrangian approaches, streamlines, pathlines, streaklines; types of flow; continuity equation; velocity potential and stream function; irrotational flow; vorticity

Dynamics – Euler's equation, Bernoulli's equation (assumptions, applications, limitations), momentum equation, forces on bends and nozzles

Dimensional Analysis – Buckingham Pi theorem, Rayleigh's method, important dimensionless numbers (Re, Fr, Ma, We, Eu), model testing and similitude

6.3 Viscous Flow

Pipe Flow – Laminar flow (Hagen-Poiseuille equation), turbulent flow, Reynolds number, Darcy-Weisbach equation, Moody chart, minor losses, pipes in series and parallel, equivalent pipe, siphon

Boundary Layer – Laminar and turbulent boundary layers, displacement and momentum thickness, drag on flat plates, boundary layer separation

6.4 Hydraulic Machines

Turbines – Classification, impulse and reaction principles, Pelton wheel (design, velocity triangles, efficiency), Francis turbine, Kaplan turbine, specific speed, draft tube, cavitation, unit quantities, characteristic curves

Pumps – Centrifugal pumps (velocity triangles, manometric efficiency, NPSH, cavitation, priming, characteristic curves), reciprocating pumps (indicator diagrams, slip, air vessels), pump selection

Flow Measurement – Venturimeter, orifice meter, pitot tube, current meter, notches and weirs (rectangular, triangular, Cipolletti)

7.1 Gas Power Cycles

Air-Standard Cycles – Otto cycle, Diesel cycle, Dual cycle (mixed), Brayton cycle (gas turbine); efficiency, MEP, work output, comparison

Gas Turbines – Open and closed cycles, regeneration, reheating, intercooling, combined cycle, efficiencies

7.2 Steam Power Cycles

Rankine Cycle – Ideal and actual Rankine cycle, reheat cycle, regenerative cycle (open and closed feedwater heaters), combined reheat-regenerative cycle, efficiency improvement

Boilers – Classification (fire tube, water tube), mountings and accessories, draught systems, boiler efficiency, equivalent evaporation

7.3 IC Engines

Engine Fundamentals – SI and CI engine differences, 2-stroke and 4-stroke cycles, valve timing diagrams, engine terminology (bore, stroke, compression ratio, MEP, swept volume)

Performance Parameters – IP, BP, FP, mechanical efficiency, thermal efficiency, volumetric efficiency, SFC, heat balance sheet, Morse test

Combustion – Normal and abnormal combustion (knocking, detonation), octane and cetane ratings, pre-ignition, factors affecting knock

8.1 Refrigeration

Vapour Compression Cycle – Ideal and actual VCRS, COP, T-s and p-h diagrams, effect of subcooling and superheating, multi-stage/cascade systems, refrigerants (classification, ODP, GWP)

Vapour Absorption System – Aqua-ammonia and LiBr-water systems, COP comparison with VCRS

Gas Refrigeration – Reversed Brayton cycle, air refrigeration, aircraft cooling

8.2 Psychrometry & Air Conditioning

Psychrometric Properties – DBT, WBT, DPT, specific humidity, relative humidity, enthalpy, psychrometric chart reading

Psychrometric Processes – Sensible heating/cooling, humidification, dehumidification, mixing of air streams, adiabatic saturation, apparatus dew point, bypass factor

9.1 Structure & Properties

Crystal Structure – BCC, FCC, HCP; Miller indices, atomic packing factor, coordination number; crystal defects (point, line, surface)

Mechanical Properties – Stress-strain diagrams for engineering materials, hardness (Brinell, Rockwell, Vickers), toughness (Charpy, Izod impact test), fatigue, creep, fracture mechanics

9.2 Phase Diagrams & Heat Treatment

Iron-Carbon Diagram – Phases (ferrite, austenite, cementite, pearlite, bainite, martensite), eutectic and eutectoid reactions, lever rule, TTT and CCT diagrams

Heat Treatment – Annealing, normalizing, hardening, tempering, case hardening (carburizing, nitriding, cyaniding), surface hardening (induction, flame), hardenability (Jominy end quench test)

9.3 Engineering Alloys & Materials

Ferrous Alloys – Classification of steels (IS/AISI designation), plain carbon steels, alloy steels, tool steels, stainless steels, cast irons (grey, white, malleable, SG)

Non-Ferrous Alloys – Aluminum alloys, copper alloys (brass, bronze), titanium alloys, nickel alloys, magnesium alloys; applications

10.1 Casting

Casting Fundamentals – Pattern types and allowances, moulding sand (properties, testing), moulding processes, core making, gating system design (sprue, runner, gate, riser), Chvorinov's rule, solidification time, directional solidification

Special Casting – Die casting (hot/cold chamber), investment casting, shell moulding, centrifugal casting, continuous casting, casting defects (shrinkage, porosity, hot tear, misrun, cold shut)

10.2 Metal Forming

Fundamentals – Plastic deformation, yield criteria (Tresca, von Mises), strain hardening, hot and cold working, recrystallization temperature

Bulk Forming – Forging (open die, closed die, drop forging, forging force calculations), rolling (roll pressure, power, torque, defects), extrusion (direct, indirect, hydrostatic, extrusion force, extrusion ratio), drawing (wire, tube, rod)

Sheet Metal – Shearing, blanking, punching (clearance, cutting force), bending (springback, bend allowance), deep drawing (LDR, blank holder force, defects)

10.3 Joining Processes

Welding – Arc welding (SMAW, GMAW/MIG, GTAW/TIG, SAW, FCAW), resistance welding (spot, seam, projection, butt), gas welding (oxy-acetylene), special welding (TIG, plasma, electron beam, laser, friction, underwater)

Welding Metallurgy – HAZ, solidification of weld metal, residual stresses, distortion, weld defects (porosity, slag inclusion, undercut, incomplete fusion, cracks), weld testing (NDT methods)

11.1 Metal Cutting Theory

Mechanics of Cutting – Orthogonal and oblique cutting, Merchant's circle, chip formation (types of chips), shear plane angle, cutting forces, specific energy, Ernst-Merchant theory

Tool Wear & Life – Flank wear, crater wear, Taylor's tool life equation , tool life testing, machinability, economics of machining (minimum cost and maximum production rate)

Cutting Fluids – Types, functions, selection criteria, application methods

Tool Materials – HSS, cemented carbides, coated carbides, ceramics, CBN, PCD; selection criteria

11.2 Machining Operations

Turning – Lathe operations, cutting parameters (speed, feed, depth of cut), MRR, machining time calculations, taper turning, thread cutting

Milling – Up and down milling, slab milling, face milling, end milling, MRR, cutting speed, indexing (simple, compound, differential)

Drilling – Twist drill geometry, drilling force and torque, reaming, boring, tapping

Grinding – Abrasive types, grain size, grinding wheel specification (marking system), dressing, truing, surface finish, cylindrical/surface/centreless grinding

11.3 Non-Traditional Machining

Limits, Fits & Tolerances – Terminology (basic size, deviation, tolerance), hole basis and shaft basis systems, IS/ISO tolerances, clearance/transition/interference fits, tolerance stack analysis

Linear Measurement – Vernier caliper, micrometer, dial gauge, slip gauges (Johansson gauges), wringing, calibration

Angular Measurement – Bevel protractor, sine bar, sine centre, autocollimator, angle gauges

Comparators – Mechanical, optical, pneumatic, electrical comparators; applications

Surface Roughness – Ra, Rq, Rz values, profilometer, surface roughness measurement, relationship between surface finish and machining processes

Thread & Gear Measurement – Thread gauge, floating carriage micrometer, pitch measurement; gear tooth vernier, base tangent method

13.1 Work Study & Ergonomics

Method Study – Recording techniques (operation process chart, flow process chart, man-machine chart), principles of motion economy, SIMO chart

Work Measurement – Time study, performance rating, allowances, standard time calculation, work sampling, predetermined motion time systems (PMTS)

13.2 Production Planning & Control

Forecasting – Qualitative and quantitative methods, moving average, exponential smoothing, regression

Aggregate Planning & Scheduling – Level and chase strategies, MRP, MRP-II, ERP, scheduling (Johnson's rule for 2-machine and 3-machine problems), Gantt chart

Lean Manufacturing – JIT, Kanban, Kaizen, Poka-Yoke, 5S, waste elimination, value stream mapping

13.3 Inventory & Quality Control

Inventory Management – EOQ model, production lot size model, quantity discount model, safety stock, reorder point, ABC analysis, VED analysis

Statistical Quality Control – Control charts (X-bar, R, p, c, np charts), process capability (Cp, Cpk), acceptance sampling (OC curve, AQL, LTPD), Six Sigma, TQM

13.4 Operations Research

Linear Programming – Graphical method, simplex method, Big-M method, two-phase method, duality, sensitivity analysis

Transportation & Assignment – North-west corner, least cost, VAM, MODI method; Hungarian method for assignment

Network Analysis – PERT and CPM, critical path, project crashing, float (total, free, independent), resource leveling

14.1 Mine Drainage Fundamentals

Sources of Water in Mines – Surface water ingress, aquifer interception, fissure water, rainfall infiltration, old workings, water make estimation, factors affecting inflow

Drainage Requirements – Legal requirements (MMR 1961 Regulations), pumping capacity standards, standby requirements, sump capacity, drainage plan

Dewatering Methods – Gravity drainage via adits, pumping (single and multi-stage), sump-pump arrangement, ring wells, well points, deep wells, grouting, cementation

14.2 Mine Pumps – Types & Working

Centrifugal Pumps – Single stage and multistage, horizontal and vertical, self-priming, submersible, slurry pumps; impeller types (open, semi-open, closed); construction details; priming methods

Reciprocating Pumps – Single and double acting, ram pumps, plunger pumps, hand pumps; indicator diagram, slip, coefficient of discharge; air vessels and their functions

Other Pump Types – Diaphragm pumps, jet pumps (ejectors), air-lift pumps, progressive cavity (Mono) pumps; applications in mining

14.3 Pump Performance & Selection

Performance Parameters – Head (static, friction, velocity, total), discharge, power (WHP, BHP), efficiency (manometric, mechanical, overall), NPSH (available and required), cavitation

System Curve & Operating Point – Pump characteristic curves (H-Q, P-Q, η-Q), system resistance curve, duty point, pumps in series and parallel, affinity laws

Pump Selection Criteria – Head and discharge requirements, specific speed, suction conditions, fluid properties (AMD, slurry), mine depth, reliability

14.4 Pipe Fittings & Pump House

Pipelines – Pipe materials (CI, MS, HDPE, GRP), pipe sizing, friction losses (Darcy-Weisbach, Hazen-Williams), minor losses, water hammer, surge protection

Fittings & Accessories – Valves (gate, globe, check, butterfly, foot valve), strainers, pressure gauges, flow meters, flexible couplings, expansion joints

15.1 Compressor Types & Working Principles

Reciprocating Compressors – Single stage and multistage, working principle, P-V diagram, volumetric efficiency, isothermal and adiabatic compression, intercooling, optimum intermediate pressure

Rotary Compressors – Screw compressors (oil-injected and oil-free), vane compressors, lobe compressors, scroll compressors; working principles and applications

Centrifugal & Axial Compressors – Working principle, velocity triangles, surge, choking, characteristic curves; multistage arrangements

15.2 Compressed Air Systems in Mines

Applications in Mining – Pneumatic drills (jack-leg, sinker, stoper, drifter), rock breakers, pneumatic loaders, air-operated sump pumps, pneumatic bolters, shotcrete machines

Compressed Air Distribution – Compressor house location, main and branch pipelines, pipe sizing, pressure losses, after-coolers, air receivers, moisture separators, dryers

Power Transmission – Free air delivery (FAD), actual air requirement at face, line losses, efficiency of pneumatic systems, comparison with electric and hydraulic power

15.3 Performance & Regulations

Performance Testing – FAD measurement, isothermal efficiency, adiabatic efficiency, mechanical efficiency, overall efficiency, heat balance

Safety & Regulatory – MMR 1961 Regulation 173 (air compressors – air intake from dust/fume-free source), pressure vessel inspection, safety valve settings, IS standards for receivers, DGMS circulars on compressed air safety

16.1 Wire Rope Construction

Basic Structure – Wires, strands, core (fibre core FC, wire strand core WSC, independent wire rope core IWRC); construction designation (e.g., 6×19, 6×37)

Types of Lay – Right-hand lay, left-hand lay, ordinary lay, Lang's lay, alternate lay; selection criteria for different applications

Types of Wire Ropes – Round strand ropes, flattened strand ropes, locked coil ropes, non-spinning ropes, compacted strand ropes; application-specific selection

Rope Materials – Steel grades (plow steel, improved plow steel, extra improved plow steel EIPS, extra-extra improved plow steel EEIPS), galvanized and ungalvanized, breaking strength calculations

16.2 Wire Rope Applications in Mining

Winding Ropes – Shaft winding (drum and Koepe systems), selection criteria, safety factor requirements (MMR Reg. 88: SF = 6 to 10 depending on shaft depth), non-spinning rope requirement where no guides

Haulage Ropes – Direct rope haulage, main and tail rope, endless rope haulage; rope selection for gradient and tonnage; Lang's lay for haulage applications

Other Applications – Dragline ropes, crane ropes, shovel ropes, aerial ropeway ropes; specific requirements for each

16.3 Testing, Inspection & Maintenance

Examination Schedule – MMR Reg. 91 – Daily (24-hour) examination of rope attachments and suspension gear; Weekly examination at speed ≤ 1 m/s; Monthly examination at speed ≤ 0.5 m/s with cleaning; Annual internal examination of winding engine

Testing – Breaking load test (test certificate from manufacturer), non-destructive electromagnetic testing, diameter measurement, lubrication assessment, wire break counting, discard criteria

Discard Criteria – Reduction in diameter (>10%), broken wire count per lay length, corrosion, distortion (kinking, bird-caging, waviness), core exposure, heat damage

End Connections – Cappels (types: wedge, resin, white metal), recapping frequency (MMR Reg. 89: at least every 6 months for haulage, as required for winding), splicing (not permitted for winding ropes per MMR Reg. 88)

16.4 Safety Factor Regulations (MMR 1961 Reg. 88)

17.1 Winding Systems

Drum Winding – Single drum (single/double compartment), double drum (balanced winding), construction, coiling, fleet angle, drum diameter to rope diameter ratio

Koepe (Friction) Winding – Principle (invented by Friedrich Koepe, 1877), driving sheave, friction, tail ropes, tread liner, advantages over drum winding, tower-mounted and ground-mounted installations

Blair Multi-Rope Winding – Multiple ropes, large payloads, deep shafts; construction and working

17.2 Winding Equipment

Winding Engines – Electric winding engines (Ward-Leonard, AC variable frequency drives), steam winding engines, compressed air winding engines; power and torque calculations (static torque, dynamic torque, friction torque)

Headgear (Headframe) – Types (steel, concrete, timber), tower-mounted vs ground-mounted, height calculation, geometry, rope lead angle, design considerations

Cages & Skips – Construction, capacity, cage gates, skip loading and discharge mechanisms, man-riding provisions, safety devices

Shaft Furnishings – Guides (fixed: rail, timber, rope; sliding: rope guides), buntons, bearers, shaft steelwork, landing arrangements

17.3 Safety Devices & Controls

Safety Devices – Detaching hooks (MMR Reg. 84: mandatory in vertical shafts except Koepe), overwind prevention (dogs/catches), depth indicators, drum clutch interlocking (MMR Reg. 84), speed control devices, contrivance for preventing overwinding

Signalling – Signal codes for shaft winding operations, bell/buzzer systems, telephone communication, visual indicators, signal boards

17.4 Regulatory Requirements (MMR 1961, Chapter IX)

Winding Engineman – Reg. 78 – Qualification requirements (Class I/II Engine Driver's Certificate); duties, shift posting, restrictions on operation

New Installation Notice – Reg. 79 – 30 days prior notice to Chief Inspector for new winding installations with detailed specifications

Examination Schedule – Reg. 91 – Daily: rope attachments, depth indicator, brakes; Weekly: rope at ≤1 m/s; Monthly: rope at ≤0.5 m/s with cleaning; Annual: internal parts of winding engine

Man Winding Provisions – Reg. 84 – Maximum persons authorized, speed limits (not to exceed prescribed speed), cage requirements, detaching hooks, clutch interlocking, overwind protection

Shaft Examination & Repair – Reg. 93 – No winding during shaft examination/repair; minimum 2 persons with safety belts; protective hat mandatory; covering against falling objects

18.1 Rope Haulage Systems

Direct Rope Haulage – Single drum (inclines steeper than 1:12, speed 8-12 km/h), double drum balanced haulage; power calculations, brake requirements

Main & Tail Rope Haulage – Principle, layout, power requirements; suitable for varying gradients, longer distances; rope tension calculations

Endless Rope Haulage – Under-rope and over-rope systems, clip attachment methods (friction grips, positive grips), tensioning arrangements (fixed, mobile, gravity), speed 3-5 km/h

18.2 Locomotive Haulage

Types of Locomotives – Battery (lead-acid, NiCd), diesel (flameproof and non-flameproof), trolley wire electric, compressed air; selection criteria based on mine conditions

Tractive Effort Calculations – Adhesion weight, coefficient of adhesion, gradient resistance, curve resistance, rolling resistance, acceleration force; power requirement

Track & Rolling Stock – Rail section, gauge (600mm/762mm standard), track gradient, curves (minimum radius), turnouts, tubs/mine cars, coupling systems

18.3 Other Transport Systems

Aerial Ropeways – Monocable and bicable systems, tension stations, tower design, speed, capacity, applications in hilly mining terrain

Wheel-Mounted Equipment – Shuttle cars, LHDs (Load-Haul-Dump), low-profile dumpers; capacity, cycle time, selection

Man-Riding Systems – Underground man-riding conveyors, personnel carriers, cage/skip man-riding provisions, chairlifts; regulatory requirements

18.4 Regulatory Requirements (MMR 1961, Chapter X)

Haulage Roadways (Reg. 95) – Adequate dimensions, straight and regular gradient, properly laid tracks, safety devices (stop-blocks, runway switches, back-stays, jazz-rails, tub re-railers at ≤250m intervals)

Signal Code (Reg. 95(4)) – 1 Rap = STOP; 2 Raps = LOWER/haul in slowly; 3 Raps = START; 4 Raps = RAISE/haul out slowly

Haulage Ropes (Reg. 99) – Effective brake on every engine; no rope with serious visible defect; recapping every 6 months; record of size, construction, quality in bound paged book

19.1 Drilling Equipment

Blast Hole Drills – Rotary drills (roller cone and DTH), hydraulic crawler drills; drill bit types (tricone, DTH hammer bits, drag bits); drilling parameters (WOB, RPM, penetration rate, specific energy)

Drilling Accessories – Drill strings, stabilizers, sub-adapters, air/water flush systems, dust collection systems, drill pattern design

19.2 Loading Equipment

Electric Rope Shovels – Working principle, crowd-hoist-swing mechanism, dipper capacity, digging force calculations, cycle time, production estimation

Hydraulic Excavators – Backhoe and front shovel configurations, bucket capacity, breakout force, reach, depth capabilities, advantages over rope shovels

Wheel Loaders – Front-end loaders, bucket sizes, tipping load, breakout force, applications in soft rock and stockpile loading

Draglines – Working principle, operating radius, boom length, bucket capacity, key-cut and side-cast methods, cycle time, applications in overburden removal (strip mining)

19.3 Hauling Equipment

Rear Dump Trucks – Mechanical drive and electric drive (AC/DC), payload capacity (35T to 400T), VVVF drive systems, rimpull-speed curves, cycle time analysis, fuel consumption

Equipment Matching – Shovel-dumper matching (match factor), fleet size estimation, bucket pass calculation, bunching factor, operational efficiency

19.4 Earthmoving & Auxiliary Equipment

Dozers – Crawler dozers (types: straight, angle, U-blade), ripper attachments, dozing capacity, applications in mining (pioneering, dump maintenance, reclamation)

Graders – Motor graders, blade configurations, applications in haul road maintenance, drainage

Scrapers – Types (single engine, twin engine, elevating), cut-load-haul-dump cycle, applications in overburden removal

Water Tankers & Sprinklers – Capacity, spray bar systems, dust suppression, road maintenance

Crushing & Screening Plant – In-pit crushers (jaw, gyratory, cone, impact), mobile and semi-mobile configurations, IPCC systems, screen types (vibrating, trommel)

20.1 Belt Conveyors

Construction – Belt types (multi-ply fabric, steel cord, PVC, rubber), idlers (carrying, return, impact, training), pulleys (drive, tail, snub, bend, take-up), tensioning devices (gravity, screw, hydraulic, winch)

Design Calculations – Belt speed, belt width, capacity (cross-sectional area method), belt tension calculation (effective tension, slack side, tight side), power requirement, drive factor, wrap factor

Belt Rating & Selection – Belt strength rating (breaking strength per unit width), safety factor (typically 6-10 for mining), maximum and minimum tensions, sag calculation, belt tracking

Special Belt Conveyors – Pipe conveyor, cable belt conveyor (e.g., NALCO's 14.6 km Damanjodi system), steep angle conveyors (pocket belt, sandwich belt), overland conveyors, regenerative conveyors

20.2 Chain & Scraper Conveyors

AFC (Armoured Face Conveyor) – Used in longwall mining, pans, chain types, capacity, shearer integration, stage loader

Scraper Conveyors – Types, chain configurations (single/double strand, central/side chain), capacity calculations

20.3 In-Pit Crushing & Conveying (IPCC)

IPCC Systems – Fixed, semi-mobile, fully mobile systems; crusher selection (sizer, gyratory, jaw), hopper design, apron feeder, overland conveyor integration; advantages over truck haulage (cost, safety, environment)

Spreader & Stacker – Overburden disposal by spreader, stacking of ore at processing plant, radial and linear stackers, reclaimer types

20.4 Other Material Handling Equipment

Feeders – Apron feeders, vibrating feeders, belt feeders, reciprocating plate feeders

Elevators & Chutes – Bucket elevators, skip hoists, chute design (transfer points, dead boxes, impact beds), dust control at transfer points

20.5 Regulatory Provisions

21.1 Maintenance Strategies

Types of Maintenance – Breakdown (corrective), preventive (time-based), predictive (condition-based), proactive (root cause elimination), reliability-centred maintenance (RCM)

Maintenance Planning – Maintenance scheduling, work order systems, spare parts management, maintenance budgeting, KPIs (MTBF, MTTR, availability, reliability)

TPM (Total Productive Maintenance) – 8 pillars, autonomous maintenance, OEE (Overall Equipment Effectiveness) = Availability × Performance × Quality, six big losses

21.2 Condition Monitoring Techniques

Vibration Analysis – Time domain, frequency domain, FFT analysis, overall vibration levels, bearing defect frequencies (BPFO, BPFI, BSF, FTF), balancing, alignment diagnosis

Oil Analysis – Viscosity, TAN/TBN, particle count, ferrography, spectrometric analysis, moisture contamination, contamination limits

Thermography – Infrared cameras, emissivity, thermal patterns, applications (electrical connections, bearing hot spots, refractory inspection, conveyor roller condition)

Other Techniques – Ultrasonic testing, acoustic emission, motor current signature analysis (MCSA), wear debris analysis

21.3 Tribology & Lubrication

Fundamentals of Friction & Wear – Types of friction (dry, fluid, boundary, mixed), Coulomb's law, types of wear (adhesive, abrasive, erosive, corrosive, fatigue, fretting), wear equations (Archard's law)

Lubrication – Hydrodynamic, elastohydrodynamic, boundary lubrication regimes; Stribeck curve; lubricant types (mineral, synthetic, grease); properties (viscosity, viscosity index, flash point, pour point); ISO VG classification

Lubrication Systems – Centralized automatic lubrication systems, grease lubrication (manual, automatic), oil mist systems, total loss lubrication; lubrication schedule for mine equipment

21.4 Regulatory Requirements

MMR 1961 Reg. 176 – No machinery operated except by competent person; machinery inspection at least once every seven days by competent person; record in bound paged book

MMR 1961 Reg. 174 – Moving parts adequately fenced; no repair/adjustment of machinery in motion where risk of injury; no loose clothing near moving machinery; mechanical appliance for belt/rope shifting