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C2 Level Wordlist - Engineering

Here you will learn all the essential words for talking about Engineering, collected specifically for level C2 learners.

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CEFR C2 Vocabulary
relay
[noun]

an electronic device that uses a small electrical current to control a larger current, acting like an automatic switch

Ex: Troubleshooting the relay revealed a burnt coil , which was quickly replaced to restore the system 's functionality .
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a type of rolling-element bearing that uses balls to maintain the separation between the bearing races, reducing friction and enabling smooth rotation

Ex: Electric motors benefit ball bearings to ensure efficient and quiet rotation of the motor shaft .
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a mechanical transmission system using a flexible belt to transfer power between rotating shafts

Ex: In the workshop , they demonstrated how belt drive can efficiently transmit rotational motion between two pulleys .
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a type of nuclear reactor that generates more fissile material than it often consumes

Ex: Due to its ability to produce additional nuclear fuel , breeder reactor is seen as a promising solution for long-term energy needs .
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an environment that can be used to verify the correctness of a model or design

Ex: The automotive company invested in an test bench to simulate real-world driving conditions for their new vehicles .
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cog
[noun]

a wheel with a set of square or triangular teeth sticking out around the edge that fits into the edge of a similar wheel, causing both wheels to turn

Ex: A computer simulation helped engineers optimize the design of cog to maximize its strength and durability under different loads .
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crank
[noun]

a device that allows movement between mechanical parts of a machine or converts backward and forward motion into circular movement

Ex: The crankshaft is a critical component in internal combustion engines, converting linear piston motion into rotational motion to drive the vehicle.
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a mechanical component that transmits rotational power from the engine to the wheels or other driven components of a vehicle or machine

Ex: Electric vehicles utilize a driveshaft to transfer power from the electric motor to the wheels for propulsion.
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gearing
[noun]

gears, toothed wheels, or mechanical components designed to transmit and control power between rotating shafts in a machine, vehicle, or system

Ex: Gearing systems in printing presses ensure precise movement of rollers, contributing to high-quality print output.
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overhaul
[noun]

a thorough inspection and repair of a machine or system to improve its performance or extend its lifespan

Ex: A major bridge underwent overhaul to reinforce its structural integrity and improve overall safety .
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sprocket
[noun]

a toothed wheel with projections that mesh with a chain, track, or other perforated or indented material, typically used to transmit motion or power in machinery, vehicles, or bicycles

Ex: Tank treads sprockets to engage with the track , facilitating the vehicle 's movement .
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lathe
[noun]

a machine tool that rotates a workpiece so one can shape it by cutting, sanding, or drilling

Ex: In the workshop , lathe is an essential tool for manufacturing components such as shafts , pulleys , and bushings .
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a professional who uses specialized software to create detailed drawings and plans for buildings, machines, or products

Ex: After completing the design, the CAD technician reviewed it with the architect to make sure everything was accurate.
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torque
[noun]

a rotational force measured in newton-meters or foot-pounds

Ex: The force applied to turn a steering wheel torque.
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the capability of being easily changed or molded into many different things

Ex: Researchers investigate plasticity of biological tissues to develop better models for understanding the biomechanics of the human body .
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rivet
[noun]

a permanent fastener with a head on one end and a deformable shaft that forms a second head when joining materials together

Ex: To repair the damaged section of the ship 's hull , the maintenance crew had to remove the rivets and replace them with new ones .
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fracking
[noun]

a method used to extract natural gas or oil from deep underground by injecting high-pressure fluid to fracture rock formations

Ex: Engineers conducted a thorough geological survey to determine the suitability of the site for fracking and to minimize the risk of seismic activity.
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an electric device that is used to increase or decrease the voltage of an alternating current

Ex: transformer converts alternating current ( AC ) from one voltage level to another , making it a key component in the power grid .
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a facility that transforms voltage levels and regulates electrical currents, typically situated in an electrical power distribution system

Ex: Utility companies strategically substations to ensure a reliable and stable power supply to consumers .
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a chemical reaction between a fuel and an oxidizing agent, typically producing heat and light

Ex: combustion of waste materials in incinerators helps manage and reduce solid waste .
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conduit
[noun]

a pipe, tube, or channel that is used to protect, enclose, or route electrical wires, cables, or other utilities for the purpose of safe and organized transmission

Ex: To prevent water ingress , the conduits were sealed with waterproof materials where they entered the building .
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an electric current that reverses direction periodically, typically used in power distribution systems due to its efficiency in long-distance transmission

Ex: The voltage alternating current can be easily transformed using transformers for different applications .
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biogas
[noun]

a gas, especially methane, that is produced as a result of the decomposition of animal or plant remains, which is used as fuel

Ex: Engineers are working on optimizing biogas production process to increase the yield and reduce the costs of renewable energy .
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biofuel
[noun]

a type of fuel made from living matter, such as plants or waste, that can be used as a renewable energy source

Ex: Advances in technology have made it possible to convert used cooking oil biofuel, which can be used to power diesel engines .
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relating to systems or devices that involve both electrical and mechanical components or functions

Ex: electromechanical doorbell combines electrical wiring with mechanical components .
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