Education & Licensing
Engineering programs usually include courses in mathematics and life and physical sciences, as well as engineering and design. Engineering technology programs focus less on theory and more on the practical application of engineering principles. They may emphasize internships and co-ops to prepare students for work in industry.
A Professional Engineering (PE) license, which allows for higher levels of leadership and independence, can be acquired later in one's career. Licensed engineers are called professional engineers (PEs). A PE can oversee the work of other engineers, sign off on projects, and provide services directly to the public. The initial PE exam can be taken after earning a bachelor's degree. Engineers who pass this exam are commonly called engineers in training (EITs) or engineer interns (EIs). After meeting work experience requirements, EITs and EIs can take the second exam, called the Principles and Practice of Engineering. Each state issues its own licenses, although most states recognize licensure from other states, as long as the licensing state's requirements meet or exceed their own.
Mechanical Engineering Study Summary
Mechanical engineering is one of the broadest engineering fields. Mechanical engineers design and oversee the manufacture of many products ranging from medical devices to new batteries. They also may design power-producing machines, such as electric generators, internal combustion engines, and steam and gas turbines, as well as refrigeration and air-conditioning systems. Further, mechanical engineers may be called upon to design custom machinery inside buildings.
- Mechanical Dynamics
- Alignment and Stability
- Bolted Joints
- Screw Drives
- Belt and Friction Drives
- Actuators: DC motors
- Clutches and Brakes
Electrical Engineering Study Summary
Electrical engineers design, develop, test, and supervise the manufacturing of electrical equipment, such as electric motors, radar and navigation systems, communications systems, or power generation equipment. Electrical engineers also design the electrical systems of automobiles and aircraft. Electronics engineers, on the other hand, design and develop electronic equipment, including broadcast and communications systems, such as portable music players and Global Positioning System (GPS) devices. Many also work in areas closely related to computer hardware development.
- Fourier Transform
- Sampling and Aliasing
- KVL and KCL Analysis
- Frequency Filters
- RL Circuits
- Digital Circuits
Areas of Specialization
Urban Planning covers everything from ensuring water-supply networks, to designing municipal solid-waste management and disposal. In the case of underground utility networks, it also includes maintaining conduits and access of electrical and telecommunications cables. Civil engineers conceive, design, build, supervise, operate, construct and maintain infrastructure projects.
Biotechnology uses the DNA of living organisms to bioengineer new products artificially. Depending on the tools and applications, it often overlaps with the related fields of biomedicine, pharmacology, and genetic engineering. Modern biotech methods are used to manufacture existing medicines more easily, in order to treat human diseases. Further, biotechnology has enabled emerging techniques like gene therapy. Agricultural biotechnology includes plant cross-breeding techniques, trait selection, and genetic engineering in some cases.
Environmental engineers use the principles of engineering, soil science, biology, and chemistry to develop solutions to environmental problems. They work to improve recycling, waste disposal, public health, and water and air pollution control. Environmental engineers may be called upon to conduct hazardous-waste management studies in which they evaluate the significance of a hazard and advise on containing it. They also design systems for municipal and industrial water supplies and industrial wastewater treatment, and research the environmental impact of proposed construction projects.
Industrial Robots are finding application in manufacturing facilities around the world. In the USA, Japan and China particularly, use of industrial robots grew by 70 percent in the past 5 years alone. Robots all have some kind of mechanical construction, a frame, form or shape designed to achieve a particular task. For example, a robot designed to travel across heavy dirt or mud, might use caterpillar tracks. Further, specific sensors deliver control signals in order to measure sound, position, and even vision. Autonomous robots are well-suited to perform tasks that are dangerous and often repetitive, as well as to function in extreme environments.
Nanotechnology research includes nanofilters, nanofilms, and nanostructures such as microtubules. At its most basic, nanotech relies on tailoring the structure of materials at an atomic or molecular scale, to achieve specific properties. When particles are created with dimensions of about 1 to 100 nanometers, properties change significantly from those at larger scales. This is the size scale where quantum effects rule behavior and physical properties.
Steam Turbine Animation
Nuclear and coal based thermal power plants together produce almost half of the world’s power. Steam turbines lie at the heart of these power plants. They convert thermal energy in the steam to mechanical energy.
Brushless DC Motor
The innner workings of a brushless DC motor is explained in this video with help of animation.
A turboshaft engine acts as the powerhouse of modern helicopters. They are also used for power generation and marine propulsion! This video will illustrate the inner-workings of turboshaft engines in a clear and logical way.
The working of a Manual transmission is explained in an illustrative and logical manner in this animation. Here, the working of sliding mesh and synchromesh transmissions are well illustrated. This video also explains the working of a reverse gear.
Mechanical engineers held about 308,800 jobs in 2021. The median annual wage for mechanical engineers was $84,190 in May 2021. The lowest 10 percent earned less than $54,420, and the highest 10 percent earned more than $131,350. Most mechanical engineers work full time, and about 3 in 10 worked more than 40 hours a week in 2021. Employment of mechanical engineers is projected to grow 9 percent from 2021 to 2026.
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