# Mechanical Engineering Technologists and Technicians > Apply theory and principles of mechanical engineering to modify, develop, test, or adjust machinery and equipment under direction of engineering staff or physical scientists. - Code: 17-3027.00 (O*NET-SOC; SOC 2018 17-3027) - Family: [Architecture & Engineering](https://foundation.org.ai/occupations#family-17), one of its 59 occupations - Tasks: 30 tasks (19 core, 7 supplemental and 4 not rated) - Page: https://foundation.org.ai/occupations/17-3027.00 - JSON: https://foundation.org.ai/data/tasks/17-3027.00.json ## What the work is made of 1. Assemble or disassemble complex mechanical systems. Core task · Task 22072 · Rated by 40 people who do the job, August 2022 2. Interpret engineering sketches, specifications, or drawings. Core task · Task 22082 · Rated by 39 people who do the job, August 2022 3. Calculate required capacities for equipment of proposed system to obtain specified performance and submit data to engineering personnel for approval. Core task · Task 1485 · Rated by 55 people who do the job, August 2022 4. Review project instructions and blueprints to ascertain test specifications, procedures, and objectives, and test nature of technical problems such as redesign. Core task · Task 1476 · Rated by 55 people who do the job, August 2022 5. Provide technical support to other employees regarding mechanical design, fabrication, testing, or documentation. Core task · Task 22086 · Rated by 40 people who do the job, August 2022 6. Test machines, components, materials, or products to determine characteristics such as performance, strength, or response to stress. Core task · Task 22087 · Rated by 40 people who do the job, August 2022 7. Draft detail drawing or sketch for drafting room completion or to request parts fabrication by machine, sheet or wood shops. Core task · Task 1475 · Rated by 55 people who do the job, August 2022 8. Analyze test results in relation to design or rated specifications and test objectives, and modify or adjust equipment to meet specifications. Core task · Task 1482 · Rated by 55 people who do the job, August 2022 9. Record test procedures and results, numerical and graphical data, and recommendations for changes in product or test methods. Core task · Task 1486 · Rated by 54 people who do the job, August 2022 10. Prepare specifications, designs, or sketches for machines, components, or systems related to the generation, transmission, or use of mechanical or fluid energy. Core task · Task 22085 · Rated by 39 people who do the job, August 2022 11. Read dials and meters to determine amperage, voltage, electrical output and input at specific operating temperature to analyze parts performance. Core task · Task 1487 · Rated by 55 people who do the job, August 2022 12. Design molds, tools, dies, jigs, or fixtures for use in manufacturing processes. Core task · Task 22077 · Rated by 39 people who do the job, August 2022 13. Review project instructions and specifications to identify, modify and plan requirements fabrication, assembly and testing. Core task · Task 1477 · Rated by 52 people who do the job, August 2022 14. Design specialized or customized equipment, machines, or structures. Core task · Task 22078 · Rated by 37 people who do the job, August 2022 15. Conduct failure analyses, document results, and recommend corrective actions. Core task · Task 22075 · Rated by 39 people who do the job, August 2022 16. Set up and conduct tests of complete units and components under operational conditions to investigate proposals for improving equipment performance. Core task · Task 1480 · Rated by 54 people who do the job, August 2022 17. Assist engineers to design, develop, test, or manufacture industrial machinery, consumer products, or other equipment. Core task · Task 22073 · Rated by 38 people who do the job, August 2022 18. Prepare layouts of machinery, tools, plants, or equipment. Core task · Task 22084 · Rated by 38 people who do the job, August 2022 19. Prepare equipment inspection schedules, reliability schedules, work plans, or other records. Core task · Task 22083 · Rated by 39 people who do the job, August 2022 20. Set up prototype and test apparatus and operate test controlling equipment to observe and record prototype test results. Supplemental task · Task 1489 · Rated by 55 people who do the job, August 2022 21. Evaluate tool drawing designs by measuring drawing dimensions and comparing with original specifications for form and function using engineering skills. Supplemental task · Task 1483 · Rated by 55 people who do the job, August 2022 22. Analyze energy requirements and distribution systems to maximize the use of intermittent or inflexible renewable energy sources, such as wind or nuclear. Supplemental task · Task 22070 · Rated by 37 people who do the job, August 2022 23. Prepare parts sketches and write work orders and purchase requests to be furnished by outside contractors. Supplemental task · Task 1474 · Rated by 55 people who do the job, August 2022 24. Estimate cost factors including labor and material for purchased and fabricated parts and costs for assembly, testing, or installing. Supplemental task · Task 1488 · Rated by 55 people who do the job, August 2022 25. Assist mechanical engineers in product testing through activities such as setting up instrumentation for automobile crash tests. Supplemental task · Task 22074 · Rated by 39 people who do the job, August 2022 26. Conduct statistical studies to analyze or compare production costs for sustainable and nonsustainable designs. Supplemental task · Task 22076 · Rated by 39 people who do the job, August 2022 27. Analyze or estimate production costs, such as labor, equipment, and plant space. Not rated · Task 22071 · Listed by O*NET analysts, November 2020 28. Devise, fabricate, or assemble new or modified mechanical components for products such as industrial machinery or equipment, and measuring instruments. Not rated · Task 22079 · Listed by O*NET analysts, November 2020 29. Discuss changes in design, method of manufacture and assembly, or drafting techniques and procedures with staff and coordinate corrections. Not rated · Task 22080 · Listed by O*NET analysts, November 2020 30. Monitor, inspect, or test mechanical equipment. Not rated · Task 23944 · Listed by O*NET analysts, November 2020 ## More in Architecture & Engineering - [Aerospace Engineering and Operations Technologists and Technicians](https://foundation.org.ai/occupations/17-3021.00): 11 tasks - [Aerospace Engineers](https://foundation.org.ai/occupations/17-2011.00): 16 tasks - [Agricultural Engineers](https://foundation.org.ai/occupations/17-2021.00): 14 tasks - [Architects, Except Landscape and Naval](https://foundation.org.ai/occupations/17-1011.00): 24 tasks - [Architectural and Civil Drafters](https://foundation.org.ai/occupations/17-3011.00): 28 tasks - [Automotive Engineering Technicians](https://foundation.org.ai/occupations/17-3027.01): 18 tasks - [Automotive Engineers](https://foundation.org.ai/occupations/17-2141.02): 25 tasks - [Bioengineers and Biomedical Engineers](https://foundation.org.ai/occupations/17-2031.00): 30 tasks - [Calibration Technologists and Technicians](https://foundation.org.ai/occupations/17-3028.00): 15 tasks - [Cartographers and Photogrammetrists](https://foundation.org.ai/occupations/17-1021.00): 14 tasks - 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