An engineer is a practitioner of engineering. "Science is knowledge based on our observed facts and tested truths arranged in an orderly system that can be validated and communicated to other people. Engineering is the creative application of scientific principles used to plan, build, direct, guide, manage, or work on systems to maintain and improve our daily lives." The word engineer (Latin ingeniator, Ir is the term and or title of an engineer in countries like Belgium, The Netherlands, and Indonesia) is derived from the Latin words ingeniare ("to contrive, devise") and ingenium ("cleverness"). Oxford Concise Dictionary (1995)."engineer". Oxford Dictionaries. April 2010. Oxford Dictionaries. April 2010. Oxford University Press. 22 October 2011 The foundational qualifications of a licensed professional engineer typically include a four-year bachelor's degree in an engineering discipline, or in some jurisdictions, a master's degree in an engineering discipline plus four to six years of peer-reviewed professional practice (culminating in a project report or thesis) and passage of engineering board examinations.
The work of engineers forms the link between scientific discoveries and their subsequent applications to human and business needs and quality of life.
Engineers weigh different design choices on their merits and choose the solution that best matches the requirements and needs. Their task is to identify, understand, and interpret the constraints on a design in order to produce a successful result. The work of an engineer requires problem solving skills.
Many engineers use computers to produce and analyze designs, to simulate and test how a machine, structure, or system operates, to generate specifications for parts, to monitor the quality of products, and to control the efficiency of processes.
Several recent studies have investigated how engineers spend their time; that is, the work tasks they perform and how their time is distributed among these. Research suggests that there are several key themes present in engineers' work: technical work (i.e., the application of science to product development), social work (i.e., interactive communication between people), computer-based work and information behaviors. Among other more detailed findings, a 2012 work sampling study found that engineers spend 62.92% of their time engaged in technical work, 40.37% in social work, and 49.66% in computer-based work. Furthermore, there was considerable overlap between these different types of work, with engineers spending 24.96% of their time engaged in technical and social work, 37.97% in technical and non-social, 15.42% in non-technical and social, and 21.66% in non-technical and non-social.
Engineering is also an information-intensive field, with research finding that engineers spend 55.8% of their time engaged in various different information behaviors, including 14.2% actively seeking information from other people (7.8%) and information repositories such as documents and databases (6.4%).
The time engineers spend engaged in such activities is also reflected in the competencies required in engineering roles. In addition to engineers' core technical competence, research has also demonstrated the critical nature of their personal attributes, project management skills, and cognitive abilities to success in the role.
An engineer may either be hired for a firm that requires engineers on a continuous basis, or may belong to an engineering firm that provides engineering consulting services to other firms.
When developing a product, engineers typically work in interdisciplinary teams. For example, when building robots an engineering team will typically have at least three types of engineers. A mechanical engineer would design the body and actuators. An electrical engineer would design the power systems, sensors, electronics, embedded software in electronics, and control circuitry. Finally, a software engineer would develop the software that makes the robot behave properly. Engineers that aspire to management engage in further study in business administration, project management and organizational or business psychology. Often engineers move up the management hierarchy from managing projects, functional departments, and divisions, and some eventually become CEOs of multi-national corporations.
| Automobile engineering | Focuses on the development of automobiles and related technology | Structural engineering, electronics, materials science, automotive safety, fluid mechanics, thermodynamics, engineering mathematics, ergonomics, environmental compliance, road traffic safety, chemistry | Automobiles |
| Aerospace engineering | Focuses on the development of aircraft and spacecraft | Aeronautics, astrodynamics, astronautics, avionics, control engineering, fluid mechanics, kinematics, materials science, thermodynamics | Aircraft, robotics, spacecraft, Trajectory |
| Agricultural engineering | Focuses on the engineering, science, and technology for the production and processing of food from agriculture, such as the production of arable crops, soft fruit and livestock. A key goal of this discipline is to improve the efficacy and sustainability of agricultural practices for food production. | Agricultural engineering often combines and converges many other engineering disciplines such as mechanical engineering, civil engineering, electrical engineering, chemical engineering, biosystems engineering, soil science, environmental engineering | Livestock, food, horticulture, forestry, Renewable energy.
Agricultural machinery such as tractors, combine harvesters, .
Agricultural technology incorporates such things as robotics and autonomous vehicles. |
| Architectural engineering and building engineering | Focuses on building and construction | Architecture, architectural technology | Buildings and bridges |
| Biomedical engineering | Focuses on closing the gap between engineering and medicine to advance various health care treatments | Biology, physics, chemistry, medicine | Prosthesis, , regenerative tissue growth, various safety mechanisms, genetic engineering |
| Chemical engineering | Focuses on the transformation of raw materials into useful products in large scale | Chemistry, thermodynamics, chemical thermodynamics, process engineering, transport phenomena, nanotechnology, biology, chemical kinetics, genetic engineering medicine, fluid mechanics, textiles | Synthetic chemicals, , medicines, , foods and beverages, Waste treatment and water treatment, pure gases, plastics, coatings, textiles |
| Civil engineering | Focuses on the construction of large systems, structures, and environmental systems | Statics, fluid mechanics, soil mechanics, structural engineering, transportation engineering, geotechnical engineering, environmental engineering, hydraulic engineering, construction engineering | Roads, bridges, dams, buildings, structural system, foundation, earthworks, waste management, water treatment |
| Computer engineering | Focuses on the design and development of computer hardware & software systems | Computer science, mathematics, electrical engineering | Microprocessors, microcontrollers, , , |
| Electrical engineering | Focuses on application of electricity, electronics, and electromagnetism | Mathematics, probability and statistics, engineering ethics, engineering economics, instrumentation, materials science, physics, network analysis, electromagnetism, linear system, electronics, electric power, logic, computer science, data transmission, systems engineering, control engineering, signal processing | Electricity generation and equipment, remote sensing, robotics, control system, computers, home appliances, internet of things, consumer electronics, avionics, , spacecraft, unmanned aerial vehicles, optoelectronics, |
| Fire protection engineering | Focuses on application of science and engineering principles to protect people, property, and their environments from the harmful and destructive effects of fire and smoke. | Fire, smoke, fluid dynamics, thermodynamics, heat transfer, combustion, physics, materials science, chemistry, statics, dynamics, probabilistic risk assessment or risk management, environmental psychology, engineering ethics, engineering economics, systems engineering, reliability, fire suppression, fire alarms, building fire safety, wildfire, , measurement and simulation of fire phenomena, mathematics, probability and statistics. | Fire suppression systems, fire alarm systems, passive fire protection, smoke control systems, sprinkler systems, Building code, fire and smoke modeling, emergency management, water supply systems, fire pumps, structural fire protection, foam extinguishing systems, gaseous fire suppression systems, oxygen reduction systems, Flame detector, aerosol fire suppression. |
| Industrial engineering | Focuses on the design, optimization, and operation of production, logistics, and service systems and processes | Operations research, engineering statistics, applied probability and stochastic processes, automation engineering, methods engineering, production engineering, manufacturing engineering, systems engineering, logistics engineering, ergonomics | quality control systems, manufacturing systems, warehousing systems, , logistics, queueing theory, business process management |
| Mechatronics engineering | Focuses on the technology and controlling all the industrial field | Process control, automation | Robotics, PID controller, CNC |
| Mechanical engineering | Focuses on the development and operation of energy systems, transport systems, manufacturing systems, machines and control systems | Dynamics, kinematics, statics, fluid mechanics, materials science, metallurgy, strength of materials, thermodynamics, heat transfer, mechanics, mechatronics, manufacturing engineering, control engineering | Cars, airplanes, machines, power generation, spacecraft, buildings, consumer goods, manufacturing, HVAC |
| Metallurgical engineering/materials engineering | Focuses on extraction of metals from its ores and development of new materials | Material science, thermodynamics, extraction of metals, physical metallurgy, mechanical metallurgy, nuclear materials, steel technology | Iron, steel, polymers, ceramics, metals |
| Mining engineering | Focuses on the use of applied science and technology to extract various minerals from the earth, not to be confused with metallurgical engineering, which deals with mineral processing of various ores after they have already been mined | Rock mechanics, geostatistics, soil mechanics, control engineering, geophysics, fluid mechanics, drilling and blasting | Gold, silver, coal, iron ore, potash, limestone, diamond, rare-earth element, bauxite, copper |
| Military engineering | Focuses on constructions and repairs of military structures (such as Aerodrome, naval ,barracks, missile silos etc.) as well as repairing damaged structures or producing/repairing combat , aircraft or Watercraft | Military science | Weapon, ammunition, , attack helicopters, Fighter aircraft, , , , Aircraft carrier, , ballistic missiles |
| Software engineering | Focuses on the design and development of software systems | Computer science, Computing, information theory, systems engineering, formal language | Application software, , , , embedded systems, real-time computing, , virtual reality, AI software, edge computing, distributed systems, computer vision, , digital audio workstations, software synthesizers, robotics, CGI, medical software, computer-assisted surgery, internet of things, avionics software, computer simulation, quantum programming, satellite navigation software, antivirus software, electronic design automation, computer-aided design, , educational software |
Some graduates of engineering programs in North America may be recognized by the Iron Ring or Engineer's Ring, a ring made of iron or stainless steel that is worn on the little finger of the dominant hand. This tradition began in 1925 in Canada with The Ritual of the Calling of an Engineer, where the ring serves as a symbol and reminder of the engineer's obligations to the engineering profession. In 1972, the practice was adopted by several colleges in the United States including members of the Order of the Engineer.
Accreditation is the process by which engineering programs are evaluated by an external body to determine if applicable standards are met. The Washington Accord serves as an international accreditation agreement for academic engineering degrees, recognizing the substantial equivalency in the standards set by many major national engineering bodies. In the United States, post-secondary degree programs in engineering are accredited by the Accreditation Board for Engineering and Technology.
In the United States, engineering is a regulated profession whose practice and practitioners are licensed and governed by law. Licensure is generally attainable through combination of education, pre-examination (Fundamentals of Engineering exam), examination (professional engineering exam),[1] NCEES is a national nonprofit organization dedicated to advancing professional licensure for engineers and surveyors. and engineering experience (typically in the area of 5+ years). Each state tests and licenses professional engineers. Currently, most states do not license by specific engineering discipline, but rather provide generalized licensure, and trust engineers to use professional judgment regarding their individual competencies; this is the favoured approach of the professional societies. Despite this, at least one of the examinations required by most states is actually focused on a particular discipline; candidates for licensure typically choose the category of examination which comes closest to their respective expertise. In the United States, an "industrial exemption" allows businesses to employ employees and call them an "engineer", as long as such individuals are under the direct supervision and control of the business entity and function internally related to manufacturing (manufactured parts) related to the business entity, or work internally within an exempt organization. Such person does not have the final authority to approve, or the ultimate responsibility for, engineering designs, plans, or specifications that are to be incorporated into fixed works, systems, or facilities on the property of others or made available to the public. These individuals are prohibited from offering engineering services directly to the public or other businesses, or engage in practice of engineering unless the business entity is registered with the state's board of engineering, and the practice is carried on or supervised directly only by engineers licensed to engage in the practice of engineering. In some instances, some positions, such as a "sanitation engineer", does not have any basis in engineering sciences. Although some states require a BS degree in engineering accredited by the Engineering Accreditation Commission (EAC) of Accreditation Board for Engineering and Technology (ABET) with no exceptions, about two thirds of the states accept BS degrees in engineering technology accredited by the Engineering Technology Accreditation Commission (ETAC) of ABET to become licensed as professional engineers. Each state has different requirements on years of experience to take the Fundamentals of Engineering (FE) and Professional Engineering (PE) exams. A few states require a graduate MS in engineering to sit for the exams as further learning. After seven years of working after graduation, two years of responsibility for significant engineering work, continuous professional development, some highly qualified PEs are able to become International Professional Engineers Int(PE). These engineers must meet the highest level of professional competencies and this is a peer-reviewed process. Once the IntPE title is awarded, the engineer can gain easier admission to national registers of a number of members jurisdictions for international practice.
In Canada, engineering is a self-regulated profession. The profession in each province is governed by its own engineering association. For instance, in the province of British Columbia an engineering graduate with four or more years of post graduate experience in an engineering-related field and passing exams in ethics and law will need to be registered by the Association for Professional Engineers and Geoscientists (APEGBC) in order to become a Professional Engineer and be granted the professional designation of P.Eng allowing one to practice engineering.
In Continental Europe, Latin America, Turkey, and elsewhere the title is limited by law to people with an engineering degree and the use of the title by others is illegal. In Italy, the title is limited to people who hold an engineering degree, have passed a professional qualification examination ( Esame di Stato) and are enrolled in the register of the local branch of National Associations of Engineers (a public body). In Portugal, professional engineer titles and accredited engineering degrees are regulated and certified by the Ordem dos Engenheiros. In the Czech Republic, the title "engineer" (Ing.) is given to people with a (master's) degree in chemistry, technology or economics for historical and traditional reasons. In Greece, the academic title of "Diploma Engineer" is awarded after completion of the five-year engineering study course and the title of "Certified Engineer" is awarded after completion of the four-year course of engineering studies at a Technological Educational Institute (TEI).
In Egypt, the educational system makes engineering the second-most respected profession in the country (after medicine); engineering colleges at Egyptian universities require extremely high marks on the Thanaweya Amma ( al-Thānawiyyah al-`Āmmah) – in the order of 97 or 98 per cent – and are thus considered (along with the colleges of medicine, natural science, and pharmacy) to be among the "pinnacle colleges" (كليات القمة kullīyāt al-qimmah).
In the Philippines and Filipino communities overseas, engineers who are either Filipino or not, especially those who also profess other jobs at the same time, are addressed and introduced as Engineer, rather than Sir/Madam in speech or Mr./Mrs./Ms. ( G./Gng./Bb. in Filipino) before surnames. That word is used either in itself or before the given name or surname.
However, the title ingénieur diplomé (graduate engineer) is an official academic title that is protected by the government and is associated with the Diplôme d'Ingénieur, which is a renowned academic degree in France. Anyone misusing this title in France can be fined a large sum and jailed, as it is usually reserved for graduates of French engineering grandes écoles. Engineering schools which were created during the French revolution have a special reputation among the French people, as they helped to make the transition from a mostly agricultural country of late 18th century to the industrially developed France of the 19th century. A great part of 19th-century France's economic wealth and industrial prowess was created by engineers that have graduated from École Centrale Paris, École des Mines de Paris, École polytechnique or Télécom Paris. This was also the case after WWII when France had to be rebuilt. Before the "réforme René Haby" in the 1970s, it was very difficult to be admitted to such schools, and the French ingénieurs were commonly perceived as the nation's élite. However, after the Haby reform and a series of further reforms (Modernization plans of French universities), several engineering schools were created which can be accessed with relatively lower competition.
Engineering positions in France are now shared between the ingénieurs diplomés graduating from engineering grandes écoles and the holders of a master's degree in science from public universities.
Many skilled and semi-skilled tradespeople in the UK, including, for example, engineering technicians who service Major appliance or telephone systems, call themselves engineers, and the term in that context is commonly used by the public. Proposals such as a 2015 petition to the UK parliament to legally protect the title "engineer" so that only professional engineers could use it have been unsuccessful ()
In all Canadian provinces, the title "Professional Engineer" is protected by law and any non-licensed individual or company using the title is committing a legal offence and is subject to fines and restraining orders. Contrary to insistence from the Professional Engineers Ontario ("PEO") and Engineers Canada, use of the title "Engineer" itself has been found by Canadian law to be acceptable by those not holding P.Eng. titles.Section (3)(f) of the Professional Engineer Act of Ontario does not prevent people form using the title Engineer. (3) Subsections (1) and (2) do not apply to prevent a person, (f) from using the title "engineer" or an abbreviation of that title in a manner that is authorized or required by an Act or regulation. It does prevent Professional Engineer title under section 2 of the act.
The title of engineer is not exclusive to P.Eng titles. The title of Engineer is commonly held by "Software Engineer", the Canadian Military as various ranks and positions, railway locomotive engineers, Stationary engineer and Aircraft Maintenance Engineers (AME), all of which do not commonly hold a P.Eng. designation.
The engineering profession enjoys high prestige in Spain, ranking close to medical doctors, scientists and professors, and above judges, journalists or entrepreneurs, according to a 2014 study.
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