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BEML Operator Machinist Free Mock Test
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BEML Operator (Machinist) Syllabus 2026, Exam Pattern
BEML Operator (Machinist) Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about BEML has published notification 2026 for the recruitment of Operator (Machinist) 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.
BEML Operator Syllabus 2026 - Overview
| Organization Name | Bharat Earth Movers Limited |
| Post Name | Non Executive (Operator ITI –Machinist) |
| Number of Vacancies | 40 |
| Application Mode | Online |
| Category | Syllabus and Exam Pattern |
| Selection Process | Written Exam, Skill Test, and Interview |
| Official Website | bemlindia.in |
BEML Operator (Machinist) Syllabus 2026
General Awareness :
1. Current Affairs
2. Indian Polity
3. Indian History
4. Geography
5. Indian Economy
6. General Science
General English :
1. Spot the error
2. Fill in the blanks
3. Close passage
4. Antonyms
5. Idioms and phrases
6. Synonyms/ phrases
7. One word substitution
8. Sentence correction
9. Sentence shuffling
10. Active/passive voice
11. Reshuffle of a road
12. Conversion to direct/indirect statement
13. Spelling/misspelling- detecting words
14. Reading Comprehension
Reasoning Ability :
1. Coding and decoding
2. Relationship concept
3. Graphical classification
4. Arithmetic number series
5. Virtual memory
6. The solution to the problem
7. Arithmetic logic
8. Statement Conclusion
9. And so on
10. Analytical Reasoning
11. Non-Verbal Reasoning
12. Data Interpretation
13. Logical Reasoning Day
14. Data Sufficiency
Concerned Discipline :
Machinist :
1. Drill, Tap, Die-types & application. Determination of tap drill size. Basic terminology related to screw thread. Reamer- material, types (Hand and machine reamer), parts and their uses, determining hole size for reaming, Reaming procedure.
2. Vernier height gauge: construction, graduations, Vernier setting & reading. Care and maintenance of Vernier height Gauge. Vernier caliper-its parts, principle, reading, uses & care. Outside micrometrics parts, principle, reading, uses, Reading of Vernier Micrometer), care & maintenance.
3. Drilling machines-types &their application, construction of Pillar & Radial drilling machine. Countersunk, counter bore and spot facing-tools and nomenclature. Cutting Speed, feed, depth of cut and Drilling time calculations.
4. Interchangeability: Necessity in Egg., field, Limit- Definition, types, terminology of limits and fits basic size, actual size, deviation, high and low limit, zero-line, tolerance zone, allowances. Different standard systems of fits and limits. (British standard system & BIS system)
5. Slotter– Classification, principle, construction, Safety precaution. Introduction and their indexing process on a Slotter by its Rotary table graduations. Driving mechanisms, quick return motion and speed ratio. Safety points to be observed while working on a Slotter. Job holding devices-vice, clamps, V-block, parallel block etc. Slotting tools- types, tool angles. Spline – types and uses.
6. Coolant & lubricant –Introduction, types, properties, application & applying methods.
7. Milling Machine: Introduction, types, parts, construction and specification. Driving and feed mechanism of Milling Machine. Different types of milling cutters & their use. Cutter nomenclature. Different milling operations - plain, face, angular, form, slot, gang and straddle milling etc. Up and down milling. Different types of milling attachments and their uses.
8. Jigs and Fixtures– Introduction, principle, types, use, advantages & disadvantages. Properties of metals general idea of physical, mechanical properties of metals, colour, weight, hardness toughness, malleability, ductility their effect on machinability.
9. Heat Treatment – Introduction, necessity, types, Purposes, different methods of Heat Treatment. Heat Treatment of Plain Carbon Steel. Indexing-introduction & types. Indexing head-types & constructional details, function of indexing plates and the sector arms. Calculation for direct and simple indexing.
10. Grinding – Introduction, grinding wheel- abrasive, types, bond, grade, grid, structure, standard marking system of grinding wheel, selection of the grinding wheel. Dressing, types of dresser. Glazing and Loading of wheels – its causes and remedies. Roughness values and their symbols.
11. Surface Grinder –Types, Parts, construction, use, methods of surface grinding
12. Cylindrical grinder: Introduction, parts, construction, types, specification, safety, different methods of cylindrical grinding. Cutting speed, feed, depth of cut, machining time calculation. Wet grinding and dry grinding, various types of grinding wheels and their application, grinding defects and remedies.
13. Tool & cutter grinder- Introduction, parts, construction, use and specification, different types of tool rest & their application. Various methods of cutter grinding. Various cutter grinding attachments and their uses.
14. Geometrical tolerances, definition, symbol and their application. Depth Micrometer – Parts, reading, uses and safety. Different types of micrometers and their uses. Inside Micrometer – its parts, reading and uses. Bore Dial Gauge – its parts, reading and uses. Telescopic gauge. Gauges – different types and their uses, difference between Gauges and Measuring Instruments. Gear introduction, use and type. Elements of a spur gear. Gear tooth of each forms types, merits and demerits of each.
15. Vertical Milling Machine- its parts. Method of boring in Vertical milling. Difference between Horizontal and Vertical Milling Machine. Reamer – types, elements and uses. Calculations for cutting Reamer. Twist drill-nomenclature, cutter selection. Calculations for cutting twist drill.
16. VMC.CNC technology basics, Comparison between CNC VMC and conventional milling machines. Concepts of positioning accuracy, repeatability. CNC VMC machine elements and their functions -bed, chuck, Auto tool changer (ATC), ball screws, guide ways, LM guides, coolant system, hydraulic system, chip conveyor, rotary table, pallet changer, console, spindle motor and drive, axes motors, encoders, control switches. Feedback, CNC interpolation, open and close loop control systems. Machining operations and the tool paths in them - Face milling, Side milling, Pocket milling, Drilling, Countersinking, Rigid tapping, floating tapping Reaming, Rough boring, Finish boring, Spot facing. Concept of Co-ordinate geometry& polar coordinate points, concept of machine axis, axes convention on CNC lathes, work zero, machine zero.
17. Absolute and incremental programming. Programming - sequence, formats, different codes and words. ISO G and M codes for CNC milling. Canned cycles for drilling, peck drilling, reaming, tapping, finish boring. Subprograms.
18. Writing part programs as per drawing & check using CNC program verification software. Process planning, work holding, tool and cutting parameters selection according to the part geometry and dimensions. Program checking in single block and dry run modes -necessity and method. Tool offsets adjustment on first part for close tolerance dimensions, by oversizing (for outside dimensions) or under sizing (for inside dimensions) the dimension to prevent part rejection.
19. Process planning & sequencing, tool layout & selection and cutting parameters selection. Work offset, tool length offset, tool radius offset. Work holding with temporary holding and fixtures. Truing of part and fixture. Machine operation modes - Jog, MDI, MPG, Edit, Memory. Entering and editing programs on machine console, entering offsets data in offsets page. Use of Emergency stop, Reset, Feed rate override, spindle speed override, edit lock on/off buttons and keys.
20. Collisions due to program errors, effects of collisions. Costs associated with collisions - tool breakage, machine damage, injuries. Program execution in different modes like manual, single block and auto. Collisions due to improper machine setup and operation - causes and effects. Recovering from collisions. State the importance of Helical inter-polar and thread milling, advantage and limitation in CNC machine.
21. Tool wear and necessity for wear offsets change, entering wear offsets in offsets page. Effects of sudden machine stoppage due to power shutdown or use of emergency stop. Restarting machine from sudden stoppage.
22. Means of program transfer through electronic media. Productivity concepts, cycle time, machine down time, causes of down time - breaks, machine breakdown, inspection, part loading and unloading, chip cleaning. Effect of down time on profitability, reducing down time. Machine hour rate, components of machine hour rate - principal repayment, interest, overheads (power, tooling, space, salaries, indirect expenses). Calculation of machining cost, cost of down time.
23. Cutter radius compensation (CRC) and why it is necessary. Cutting tool materials, application of various materials. Cutting tool geometry for face mill, end mill, drill, countersink, tap, finish bore, reamer. Insert holding methods face mill, insert type end mill and insert type drill. Insert cutting edge geometry. Cutting parameters- cutting speed, feed rate, depth of cut. Tool wear, tool life, relative effect of each cutting parameter on tool life. Selection of cutting parameters from a tool manufacturer's catalogue for various operations.
24. Calculations for cutting helical slab/ cylindrical cutter. Calculations for cutting End Mill cutter. Bevel gear-elements, types, application, calculation for cutting bevel gear. Cam-types, elements & application, Plate cam manufacturing & calculations. Drum cam- its calculation, advantages, types of follower & its purposes. Worm wheel-application, elements & calculation, Worm-calculation. Types of Keys and their uses. Variation - types and causes. Testing of Gear and error.
2. Vernier height gauge: construction, graduations, Vernier setting & reading. Care and maintenance of Vernier height Gauge. Vernier caliper-its parts, principle, reading, uses & care. Outside micrometrics parts, principle, reading, uses, Reading of Vernier Micrometer), care & maintenance.
3. Drilling machines-types &their application, construction of Pillar & Radial drilling machine. Countersunk, counter bore and spot facing-tools and nomenclature. Cutting Speed, feed, depth of cut and Drilling time calculations.
4. Interchangeability: Necessity in Egg., field, Limit- Definition, types, terminology of limits and fits basic size, actual size, deviation, high and low limit, zero-line, tolerance zone, allowances. Different standard systems of fits and limits. (British standard system & BIS system)
5. Slotter– Classification, principle, construction, Safety precaution. Introduction and their indexing process on a Slotter by its Rotary table graduations. Driving mechanisms, quick return motion and speed ratio. Safety points to be observed while working on a Slotter. Job holding devices-vice, clamps, V-block, parallel block etc. Slotting tools- types, tool angles. Spline – types and uses.
6. Coolant & lubricant –Introduction, types, properties, application & applying methods.
7. Milling Machine: Introduction, types, parts, construction and specification. Driving and feed mechanism of Milling Machine. Different types of milling cutters & their use. Cutter nomenclature. Different milling operations - plain, face, angular, form, slot, gang and straddle milling etc. Up and down milling. Different types of milling attachments and their uses.
8. Jigs and Fixtures– Introduction, principle, types, use, advantages & disadvantages. Properties of metals general idea of physical, mechanical properties of metals, colour, weight, hardness toughness, malleability, ductility their effect on machinability.
9. Heat Treatment – Introduction, necessity, types, Purposes, different methods of Heat Treatment. Heat Treatment of Plain Carbon Steel. Indexing-introduction & types. Indexing head-types & constructional details, function of indexing plates and the sector arms. Calculation for direct and simple indexing.
10. Grinding – Introduction, grinding wheel- abrasive, types, bond, grade, grid, structure, standard marking system of grinding wheel, selection of the grinding wheel. Dressing, types of dresser. Glazing and Loading of wheels – its causes and remedies. Roughness values and their symbols.
11. Surface Grinder –Types, Parts, construction, use, methods of surface grinding
12. Cylindrical grinder: Introduction, parts, construction, types, specification, safety, different methods of cylindrical grinding. Cutting speed, feed, depth of cut, machining time calculation. Wet grinding and dry grinding, various types of grinding wheels and their application, grinding defects and remedies.
13. Tool & cutter grinder- Introduction, parts, construction, use and specification, different types of tool rest & their application. Various methods of cutter grinding. Various cutter grinding attachments and their uses.
14. Geometrical tolerances, definition, symbol and their application. Depth Micrometer – Parts, reading, uses and safety. Different types of micrometers and their uses. Inside Micrometer – its parts, reading and uses. Bore Dial Gauge – its parts, reading and uses. Telescopic gauge. Gauges – different types and their uses, difference between Gauges and Measuring Instruments. Gear introduction, use and type. Elements of a spur gear. Gear tooth of each forms types, merits and demerits of each.
15. Vertical Milling Machine- its parts. Method of boring in Vertical milling. Difference between Horizontal and Vertical Milling Machine. Reamer – types, elements and uses. Calculations for cutting Reamer. Twist drill-nomenclature, cutter selection. Calculations for cutting twist drill.
16. VMC.CNC technology basics, Comparison between CNC VMC and conventional milling machines. Concepts of positioning accuracy, repeatability. CNC VMC machine elements and their functions -bed, chuck, Auto tool changer (ATC), ball screws, guide ways, LM guides, coolant system, hydraulic system, chip conveyor, rotary table, pallet changer, console, spindle motor and drive, axes motors, encoders, control switches. Feedback, CNC interpolation, open and close loop control systems. Machining operations and the tool paths in them - Face milling, Side milling, Pocket milling, Drilling, Countersinking, Rigid tapping, floating tapping Reaming, Rough boring, Finish boring, Spot facing. Concept of Co-ordinate geometry& polar coordinate points, concept of machine axis, axes convention on CNC lathes, work zero, machine zero.
17. Absolute and incremental programming. Programming - sequence, formats, different codes and words. ISO G and M codes for CNC milling. Canned cycles for drilling, peck drilling, reaming, tapping, finish boring. Subprograms.
18. Writing part programs as per drawing & check using CNC program verification software. Process planning, work holding, tool and cutting parameters selection according to the part geometry and dimensions. Program checking in single block and dry run modes -necessity and method. Tool offsets adjustment on first part for close tolerance dimensions, by oversizing (for outside dimensions) or under sizing (for inside dimensions) the dimension to prevent part rejection.
19. Process planning & sequencing, tool layout & selection and cutting parameters selection. Work offset, tool length offset, tool radius offset. Work holding with temporary holding and fixtures. Truing of part and fixture. Machine operation modes - Jog, MDI, MPG, Edit, Memory. Entering and editing programs on machine console, entering offsets data in offsets page. Use of Emergency stop, Reset, Feed rate override, spindle speed override, edit lock on/off buttons and keys.
20. Collisions due to program errors, effects of collisions. Costs associated with collisions - tool breakage, machine damage, injuries. Program execution in different modes like manual, single block and auto. Collisions due to improper machine setup and operation - causes and effects. Recovering from collisions. State the importance of Helical inter-polar and thread milling, advantage and limitation in CNC machine.
21. Tool wear and necessity for wear offsets change, entering wear offsets in offsets page. Effects of sudden machine stoppage due to power shutdown or use of emergency stop. Restarting machine from sudden stoppage.
22. Means of program transfer through electronic media. Productivity concepts, cycle time, machine down time, causes of down time - breaks, machine breakdown, inspection, part loading and unloading, chip cleaning. Effect of down time on profitability, reducing down time. Machine hour rate, components of machine hour rate - principal repayment, interest, overheads (power, tooling, space, salaries, indirect expenses). Calculation of machining cost, cost of down time.
23. Cutter radius compensation (CRC) and why it is necessary. Cutting tool materials, application of various materials. Cutting tool geometry for face mill, end mill, drill, countersink, tap, finish bore, reamer. Insert holding methods face mill, insert type end mill and insert type drill. Insert cutting edge geometry. Cutting parameters- cutting speed, feed rate, depth of cut. Tool wear, tool life, relative effect of each cutting parameter on tool life. Selection of cutting parameters from a tool manufacturer's catalogue for various operations.
24. Calculations for cutting helical slab/ cylindrical cutter. Calculations for cutting End Mill cutter. Bevel gear-elements, types, application, calculation for cutting bevel gear. Cam-types, elements & application, Plate cam manufacturing & calculations. Drum cam- its calculation, advantages, types of follower & its purposes. Worm wheel-application, elements & calculation, Worm-calculation. Types of Keys and their uses. Variation - types and causes. Testing of Gear and error.
BEML Operator (Machinist) Exam Pattern 2026
Duration : 120 Minutes
Exam Date 2026 : Notified Soon
Starting Date of Application Form : 17th June 2026
Last Date of Application Form : 10th July 2026
Total Post : 40
| Part | Subject | No.of Question | Marks |
| Part I | General Awareness | 20 | 20 |
| Part II | English & Reasoning | 20 | 20 |
| Part III | Concerned Discipline | 60 | 60 |
| Total | 100 | 100 |
Exam Date 2026 : Notified Soon
Starting Date of Application Form : 17th June 2026
Last Date of Application Form : 10th July 2026
Total Post : 40
BEML Operator (Machinist) Exam Free Online Test Series
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4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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5. 1000 (+) GK MCQ with Answer PDF Book in English.
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FAQs
Beml Operator (machinist) 2026 Free Mock Test Frequently Asked Questions (FAQ's)
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