# CNC Machinist – Excel Database with 10.200 Learning and Assessment Questions INSTANT DOWNLOAD AFTER PURCHASE # CNC Machinist Excel Question Database ## 10,200 Learning and Assessment Questions across 12 Learning Fields Comprehensive English-language Excel database containing **10,200 structured multiple-choice learning and assessment questions** covering CNC machining fundamentals, engineering drawings, machining mathematics, materials, cutting tools, workholding, CNC programming, milling, turning, precision measurement, process control and safe machine-shop practice. Product advantages at a glance **10,200 Questions** 850 structured questions in each of 12 CNC machining learning fields. **English-Language Database** Questions, answer options, solutions and explanations are supplied in English. **Excel Format** Suitable for sorting, filtering, editing and further technical processing. **LMS and Training Projects** Structured foundation for proprietary CNC learning systems and question-bank trainers. NEW: FLEXIBLE PAYMENT WITH KLARNA ### Pay later or use instalment options with Klarna For additional flexibility during checkout, payment options provided through **Klarna** may be available. Depending on availability, eligible customers may be offered options such as payment by invoice or instalments. **Please note:** The availability of individual payment methods, eligibility and conditions is determined by the payment service provider. The information shown during checkout is authoritative. COMPLETE CNC MACHINIST DATABASE ### All 12 CNC Machinist learning fields in one download This product contains the complete CNC Machinist question database with **10,200 questions**. The questions are already separated into **12 learning fields with 850 questions per learning field**. Instant Download: Ready for Use after Purchase The CNC Machinist Excel database is supplied as a **digital download**. After purchase, the file can be used as a structured basis for proprietary LMS courses, CNC question-bank trainers, vocational training projects, assessment systems, technical academies and internal learning environments. CNC Machinist – Excel Database with 10,200 Questions This comprehensive Excel database has been developed for **vocational learning, apprenticeships, technical training, Learning Management Systems, question-bank trainers and individual machining education projects**. It contains a total of **10,200 learning and assessment questions** for CNC Machinist training, clearly organised into **12 learning fields**. The occupational content follows the practical workflow of CNC machining: interpreting technical drawings, calculating machining data, understanding engineering materials, selecting cutting tools, preparing workholding, setting machine and tool offsets, checking CNC programs, operating milling and turning processes, measuring finished parts and controlling process quality. The database also includes questions dealing with tool wear, chatter, dimensional drift, coolant and lubrication, machine condition, safe chip handling, machine guarding and professional shop procedures. Instead of researching individual CNC subjects, developing questions one by one and creating suitable answer options from scratch, the download provides a substantial structured resource for further technical and educational use. Each question contains a clearly defined task and **four answer options**. Depending on the question, either **one or two answers may be correct**. The correct solution is clearly identified within the database. Every question also includes a **professional short explanation**. This can be used as learning support, direct feedback in an LMS or additional guidance in a CNC question-bank trainer. The 12 CNC Machinist Learning Fields **LF 01** Engineering Drawings, Dimensions and Tolerances **LF 02** Machining Mathematics and Shop Calculations **LF 03** Engineering Materials and Machinability **LF 04** Cutting Tools, Toolholders and Cutting Data **LF 05** Workholding, Setup and Machine Preparation **LF 06** CNC Fundamentals, Coordinates and Offsets **LF 07** G-Code, CNC Programming and Program Verification **LF 08** CNC Milling Operations **LF 09** CNC Turning Operations **LF 10** Precision Measurement and Quality Control **LF 11** Process Control, Troubleshooting and Maintenance **LF 12** Machine Safety and Professional Shop Practice **Structured content:** Each learning field contains 850 questions, resulting in a total database of **10,200 CNC Machinist learning and assessment questions.** Key Product Advantages **10,200 Questions** Extensive question base covering major CNC machining knowledge areas. **12 Learning Fields** 850 questions allocated to each structured technical subject area. **Four Answer Options** Every question contains Answer A, B, C and D. **One or Two Correct Answers** The database supports different multiple-choice response structures. **Solution Identification** Correct answers are clearly marked within the database. **Explanation Included** Every question contains a short explanation supporting the solution. **Excel Download** Suitable for editing, filtering, sorting and further processing. **Applied CNC Questions** Includes setup, calculation, inspection and troubleshooting situations. Suitable Applications The database can be used as a structured starting point for many CNC learning, training and assessment projects. - CNC Machinist apprenticeship training - Vocational schools and technical colleges - LMS operators - Industrial training departments - Online academies and technical training platforms - CNC question-bank trainers - Digital assessment preparation - Internal staff training - Development of individual machining modules - Proprietary question databases - Quiz and knowledge-check systems - Custom educational projects Professional CNC Machining Orientation The question database is structured around the knowledge and decisions required when manufacturing precision components using CNC machine tools. Major areas include engineering drawing interpretation, dimensions and tolerances, feeds and speeds, tooling, workholding, CNC coordinates, offsets, G-code concepts, milling operations, turning operations, dimensional inspection, troubleshooting and machine safety. CNC controls, machine configurations, tool interfaces, machine parameters, safety procedures and programming conventions can differ between machine manufacturers and control systems. Machine-specific instructions, manufacturer manuals, employer procedures and applicable safety regulations must always be followed when operating actual machinery. Sample Data: Preview the Excel Database SAMPLE DATA FROM THE CNC MACHINIST DATABASE The sample data is displayed in a separate preview window. A total of **20 representative sample records** is included below. The table can be scrolled vertically and horizontally. View Sample Data ### CNC Machinist – Sample Records × **Sample preview:** The following table shows **20 example records** illustrating the structure of the CNC Machinist Excel database. The complete product contains **10,200 questions across 12 learning fields**. Each question includes four answer options, one or two correct answers, a difficulty level, response type and a short explanation. ID Learning Field Topic Question Answer A Answer B Answer C Answer D Correct Answer(s) Difficulty Response Type Short Explanation CNC-LF01-0001 LF 01 – Engineering Drawings, Dimensions and Tolerances Dimensional Tolerance A drawing specifies a shaft diameter of 25.000 mm with a tolerance of +0.010 / -0.000 mm. The measured diameter is 25.012 mm. How should the part be assessed? The diameter is within tolerance The diameter exceeds the upper tolerance limit The diameter is below the lower tolerance limit The result cannot be assessed without spindle-speed information B Foundation Single answer The acceptable diameter range is 25.000 mm to 25.010 mm. A measurement of 25.012 mm exceeds the maximum permitted size. CNC-LF01-0067 LF 01 – Engineering Drawings, Dimensions and Tolerances Datum References Which two statements correctly describe the purpose of datum references on an engineering drawing? They establish reference features for locating or orienting other features They automatically determine the spindle speed They support consistent manufacture and inspection of related features They eliminate the need for dimensional tolerances A, C Intermediate Select two answers Datums provide defined references from which other features can be located or oriented and support repeatable manufacturing and inspection. CNC-LF02-0116 LF 02 – Machining Mathematics and Shop Calculations Spindle Speed A 10 mm diameter cutter is to run at a cutting speed of approximately 120 m/min. Which spindle speed is closest to the calculated value? 380 rpm 3,820 rpm 12,000 rpm 38,200 rpm B Intermediate Single answer Using RPM = cutting speed × 1000 ÷ (π × diameter), 120 × 1000 ÷ (π × 10) gives approximately 3,820 rpm. CNC-LF02-0184 LF 02 – Machining Mathematics and Shop Calculations Feed Rate A four-flute end mill runs at 2,500 rpm with a programmed feed per tooth of 0.05 mm. What feed rate results? 125 mm/min 250 mm/min 500 mm/min 1,000 mm/min C Intermediate Single answer Feed rate equals spindle speed × number of cutting edges × feed per tooth. 2,500 × 4 × 0.05 equals 500 mm/min. CNC-LF03-0229 LF 03 – Engineering Materials and Machinability Material Properties Which two material properties can directly influence machining behaviour and the selection of cutting conditions? Hardness Thermal conductivity Supplier logo colour Packaging design A, B Foundation Select two answers Hardness and thermal behaviour can influence cutting forces, tool wear, heat generation and appropriate machining parameters. CNC-LF04-0308 LF 04 – Cutting Tools, Toolholders and Cutting Data Tool Overhang Why should an end mill normally be held with the shortest practical projection that still provides the required clearance? To reduce system rigidity To improve rigidity and help reduce vibration To eliminate the need for tool offsets To increase spindle runout B Foundation Single answer Excessive tool projection reduces rigidity. Keeping overhang as short as practical can reduce deflection and vibration. CNC-LF04-0386 LF 04 – Cutting Tools, Toolholders and Cutting Data Tool Wear Which two observations may indicate that a cutting edge is deteriorating during a stable machining process? Surface finish becomes progressively worse Cutting forces or spindle load increase abnormally The workholding automatically becomes more rigid The drawing tolerance becomes larger A, B Applied Select two answers Progressive tool wear can increase cutting forces and reduce surface quality. These trends should be investigated before part quality is lost. CNC-LF05-0445 LF 05 – Workholding, Setup and Machine Preparation Locating a Workpiece What is the primary function of locating elements in a machining fixture? To establish the repeatable position of the workpiece To determine coolant concentration To write the CNC program automatically To measure spindle bearing temperature A Foundation Single answer Locators establish the required position and orientation of the workpiece. Clamping then holds the workpiece securely against those references. CNC-LF05-0526 LF 05 – Workholding, Setup and Machine Preparation Clamping Thin Parts A thin-walled component changes shape when excessive clamping force is applied. What is the most appropriate setup response? Increase clamping force until deformation becomes permanent Remove all support from the component Use adequate support and the minimum secure clamping force needed for machining Ignore the deformation if the raw material is oversized C Applied Single answer Excessive clamping force can distort thin or flexible components. The setup should secure the part without introducing unacceptable deformation. CNC-LF06-0588 LF 06 – CNC Fundamentals, Coordinates and Offsets Work Offset A milling setup uses G54. What is the main purpose of establishing the G54 work offset before machining? To increase maximum spindle speed To relate programmed part coordinates to the actual workpiece location To determine material hardness To select the cutting-tool coating automatically B Foundation Single answer The work offset defines the relationship between the machine coordinate system and the programmed workpiece coordinate system. CNC-LF06-0651 LF 06 – CNC Fundamentals, Coordinates and Offsets Tool Length Offset What is the purpose of a tool length offset on a CNC machining centre? To compensate for the measured length of an installed tool To change the hardness of the workpiece To increase machine-axis travel To replace the workholding device A Foundation Single answer Tool length compensation allows the control to account for the actual length of each installed tool relative to the machine reference. CNC-LF07-0719 LF 07 – G-Code, CNC Programming and Program Verification Dry Run Before using a newly edited CNC program on a production workpiece, which approach best helps identify incorrect motion or insufficient clearance? Run immediately at maximum rapid speed Increase spindle speed before checking the toolpath Use an appropriate controlled dry-run, single-block or prove-out procedure Remove the workholding device to create additional clearance C Applied Single answer Controlled program verification helps evaluate offsets, tool motion, machine travel and potential collision conditions before normal production. CNC-LF07-0784 LF 07 – G-Code, CNC Programming and Program Verification Linear Interpolation On a common ISO-style CNC control, what does G01 normally command? Controlled linear interpolation at a programmed feed rate Immediate machine shutdown Automatic tool measurement on every machine Permanent cancellation of all work offsets A Foundation Single answer G01 is commonly used for controlled linear feed motion. Exact programming behaviour should always be checked against the specific machine and control documentation. CNC-LF08-0836 LF 08 – CNC Milling Operations Face Milling Which cutting tool is generally intended for efficiently machining a broad flat surface on a milling machine? Threading insert Face mill Centre punch Feeler gauge B Foundation Single answer A face mill is designed to remove material efficiently across a relatively broad surface and generate a machined face. CNC-LF08-0918 LF 08 – CNC Milling Operations Slot Milling When an end mill cuts a full-width slot, which two conditions should the machinist consider? Radial engagement is relatively high Chip evacuation is guaranteed to become easier Cutting load can be greater than in a light radial engagement cut Tool deflection becomes impossible A, C Intermediate Select two answers Full-width slotting produces high radial engagement and can create demanding cutting loads and chip-removal conditions. CNC-LF09-0967 LF 09 – CNC Turning Operations Boring What is the primary purpose of a boring operation on a CNC lathe? To enlarge or finish an existing internal diameter To mill a large external flat surface To measure coolant concentration To sharpen an external turning insert automatically A Foundation Single answer Boring uses an internal cutting tool to enlarge, correct or finish a previously produced hole or internal diameter. CNC-LF10-10028 LF 10 – Precision Measurement and Quality Control Outside Diameter Measurement A precision outside diameter has a relatively tight tolerance. Which instrument is generally more suitable than a standard shop caliper for checking the diameter accurately? Steel rule Outside micrometer of the correct range Combination square Feeler gauge B Foundation Single answer An appropriate outside micrometer normally provides finer resolution and is designed for accurate outside-diameter measurement. CNC-LF10-10109 LF 10 – Precision Measurement and Quality Control Measurement Reliability Which two practices can improve the reliability of precision dimensional measurements? Keep measuring faces and the measured surface clean Measure over chips or heavy contamination Allow a hot machined part to stabilise appropriately before critical measurement Apply excessive measuring force to every instrument A, C Applied Select two answers Clean contact surfaces reduce measurement error, and temperature differences can affect precision dimensions. Stable conditions support more reliable results. CNC-LF11-10154 LF 11 – Process Control, Troubleshooting and Maintenance Machining Chatter A milling operation begins to chatter and the cutting tool projects much farther from the holder than the operation requires. Which change should be considered? Increase tool projection further Reduce tool projection to the shortest practical length while maintaining clearance Loosen the toolholder slightly Ignore the vibration as long as the spindle continues rotating B Applied Single answer Excessive tool overhang reduces rigidity and can contribute to vibration. Shortening the projection can improve system stiffness. CNC-LF12-10198 LF 12 – Machine Safety and Professional Shop Practice Chip Removal Chips have accumulated near the machining area. What is the appropriate general principle before manually clearing them? Reach into the cutting area while the spindle is rotating Bypass the machine guard to improve access Follow the machine's safe stopping and chip-removal procedure and use suitable tools Remove sharp chips with bare hands C Foundation Single answer Rotating equipment and sharp or hot chips can cause serious injury. Chip removal should follow the applicable safe stopping and handling procedure. The sample window contains 20 representative example records. Scroll vertically and horizontally to view all records and columns. Close Sample Window **Preview purpose:** The sample records demonstrate the question structure, answer formats, learning-field assignments, difficulty classifications, response types and explanations used in the downloadable CNC Machinist database. Structure of the Excel Database Each question is stored in its own row, enabling straightforward sorting, filtering, selection and further technical processing. **1\. ID** Unique identifier for each CNC Machinist question. **2\. Learning Field** Assignment to one of the 12 CNC Machinist learning fields. **3\. Topic** Specific technical subject addressed by the question. **4\. Difficulty** Foundation, Intermediate or Applied classification. **5\. Response Type** Single-answer or select-two-answer question. **6\. Question** Complete English-language learning or assessment question. **7–10. Answers A–D** Four individual answer options. **Correctness Identification** Correct and incorrect answer options can be clearly identified. **Correct Answer(s)** Solution key showing the correct letter or letters. **Short Explanation** Supporting explanation for the correct solution. **Technical Classification** Questions can be filtered by learning field, topic and difficulty. **Reference Information** Where provided, reference information can support the technical subject structure. **Import-friendly structure:** Clearly separated data fields and individual question rows make the Excel database suitable as a technical foundation for further processing in proprietary systems. Multiple-Choice Question Structure Every question contains **four answer options**. Depending on the individual question, **one or two answers may be correct**. Typical structure: **Question** + **Answer A** + **Answer B** + **Answer C** + **Answer D** + **Correct-answer identification** + **Difficulty level** + **Response type** + **Short explanation**. Why Use an Excel CNC Question Database? **Substantial Time Saving** No need to begin CNC research and question development from zero. **Structured Content** 10,200 questions already organised into 12 technical subject areas. **Easy Filtering** Questions can be selected by learning field, topic or difficulty. **Editable Format** Excel allows users to adapt data to proprietary project structures. **CSV Preparation** Structured records can be prepared for CSV and other compatible workflows. **LMS Preparation** Suitable as a starting point for platform-specific import structures. **Learning Feedback** Short explanations can support feedback after individual questions. **Large Question Pool** The size of the database supports varied question selections and training sets. Professional CNC Question-Bank Foundation This product is designed as a **structured educational question-bank foundation** for CNC Machinist learning environments. The material covers engineering drawings, dimensional tolerances, machining mathematics, materials, cutting tools, workholding, machine setup, coordinates, offsets, G-code concepts, CNC milling, CNC turning, precision measurement, process troubleshooting, maintenance and safe machining practice. Users developing formal assessment products should perform their own final review against the curriculum, occupational standard, machine technology, control system and assessment specification applicable to their particular programme. CNC Programming and Controller Differences The question bank includes fundamental CNC programming concepts such as machine and work coordinate systems, tool offsets, work offsets, positioning, interpolation, program sequences, tool changes and program-verification procedures. G-code and M-code conventions can vary according to machine configuration, CNC controller, manufacturer options and installed software. Programming questions therefore focus primarily on broadly used CNC concepts. Actual machine programming must always be checked against the applicable programming manual and machine documentation. Machine Safety and Safe Working Practice CNC machine tools can involve hazards associated with rotating equipment, automatic axis movements, cutting tools, workholding systems, sharp chips, hot chips, coolant and stored mechanical energy. **Machine Guarding** Understanding the purpose of guards, enclosures and safety devices. **Rotating Hazards** Recognising hazards associated with spindles, chucks, tools and workpieces. **Chip Handling** Safe removal of sharp or hot chips using appropriate procedures and tools. **Setup Safety** Checking workholding, tools, clearances and machine condition before operation. **Program Verification** Using controlled verification procedures to reduce collision risk. **Professional Discipline** Following manufacturer instructions, workplace procedures and applicable regulations. Educational questions do not replace machine-specific training, manufacturer documentation, risk assessments, workplace procedures or legally required safety instruction. Licence Notice The database may be used as content within proprietary trainers, learning systems, online platforms, internal training environments and educational projects in accordance with the applicable product licence. **Not permitted:** isolated resale, unchanged redistribution, public publication or transfer of the complete database as a standalone Excel file or substantially equivalent raw question database. Product Contents - CNC Machinist Excel database supplied as a digital download - 10,200 learning and assessment questions - 12 structured CNC machining learning fields - 850 questions per learning field - Four answer options per question - One or two correct answers depending on the question - Clearly identified correct solution - Difficulty classification - Single-answer and select-two-answer response types - Short professional explanation for every question - English-language question database - Engineering drawing and tolerance questions - Machining mathematics and cutting-data questions - CNC setup and workholding questions - CNC programming and offset questions - CNC milling questions - CNC turning questions - Precision measurement and quality-control questions - Process troubleshooting and maintenance questions - Machine safety and professional shop-practice questions - Structured data fields for straightforward further processing - Suitable for LMS platforms, trainers and proprietary learning applications - Instant digital delivery after purchase DIGITAL DOWNLOAD ## Purchase, Download and Start Building Your CNC Learning Project The CNC Machinist Excel Database provides a structured foundation containing **10,200 learning and assessment questions across 12 learning fields** for vocational training, LMS courses, digital assessment systems, CNC question-bank trainers and individual technical education projects. ![TPM-Media Quality Seal](https://cdn.shopify.com/s/files/1/1069/4030/1651/files/Qsiegel2_2.png?v=1783501696) ## Details - **Price:** 299.0 EUR - **Vendor:** TPM-Media Verlag - **Type:** Excel-Fragenkatalogdatenbank - **Tags:** Blueprint Reading, CNC Apprentice Training, CNC Excel Question Database, CNC Machine Setup, CNC Machining, CNC Machinist, CNC Machinist Questions, CNC Machinist Training, CNC Milling, CNC Multiple Choice Questions, CNC Programming, CNC Quality Control, CNC Question Database, CNC Tool Offsets, CNC Tooling, CNC Troubleshooting, CNC Turning, CNC Work Offsets, CNC Workholding, Cutting Speeds and Feeds, Cutting Tools, Engineering Drawings, G-Code Programming, Geometric Tolerances, Machine Shop Safety, Machining Fundamentals, Machining Tolerances, Metrology for Machinists, Precision Machining, Precision Measurement, TPM-Media Verlag ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 299.00 EUR | In stock | ## Images - CNC Machinist – Excel Database with 10.200 Learning and Assessment Questions - CNC Machinist – Excel Database with 10.200 Learning and Assessment Questions - CNC Machinist – Excel Database with 10.200 Learning and Assessment Questions - CNC Machinist – Excel Database with 10.200 Learning and Assessment Questions --- > Source: [TPM-Media Verlag](https://tpm-mediashop.com/products/cnc-machinist-excel-database-with-10-200-learning-and-assessment-questions) > Updated: 2026-09-09