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Λίστα Λέξεων Επιπέδου C2 - Engineering

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CEFR C2 Vocabulary
relay
[ουσιαστικό]

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

ρελέ, αυτομάτως διακόπτης

ρελέ, αυτομάτως διακόπτης

Ex: Troubleshooting the relay revealed a burnt coil , which was quickly replaced to restore the system 's functionality .
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ball bearing
[ουσιαστικό]

a type of rolling-element bearing that uses balls to maintain the separation between the bearing races, reducing friction and enabling smooth rotation

βαλβίδα με μπίλιες, ρουλεμάν με μπίλιες

βαλβίδα με μπίλιες, ρουλεμάν με μπίλιες

Ex: Electric motors benefit ball bearings to ensure efficient and quiet rotation of the motor shaft .
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belt drive
[ουσιαστικό]

a mechanical transmission system using a flexible belt to transfer power between rotating shafts

ιμάντας μετάδοσης, ιδιότυπη μετάδοση με ιμάντα

ιμάντας μετάδοσης, ιδιότυπη μετάδοση με ιμάντα

Ex: In the workshop , they demonstrated how belt drive can efficiently transmit rotational motion between two pulleys .
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breeder reactor
[ουσιαστικό]

a type of nuclear reactor that generates more fissile material than it often consumes

αντιδραστήρας εκτροφής, αντιδραστήρας ΑΚΕ (μεγιστοποιημένης απόδοσης)

αντιδραστήρας εκτροφής, αντιδραστήρας ΑΚΕ (μεγιστοποιημένης απόδοσης)

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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test bench
[ουσιαστικό]

an environment that can be used to verify the correctness of a model or design

πάγκος δοκιμών, βιβλίο ελέγχου

πάγκος δοκιμών, βιβλίο ελέγχου

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

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

δόντι (dónti), γρανάζι (granázi)

δόντι (dónti), γρανάζι (granázi)

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
[ουσιαστικό]

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

κάντζα, κρουνός

κάντζα, κρουνός

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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drive shaft
[ουσιαστικό]

a mechanical component that transmits rotational power from the engine to the wheels or other driven components of a vehicle or machine

άξονας μετάδοσης, άξονας κίνησης

άξονας μετάδοσης, άξονας κίνησης

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

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

γρανάζια, συγκρότημα μετάδοσης

γρανάζια, συγκρότημα μετάδοσης

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

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

αναθεώρηση, επανεξέταση

αναθεώρηση, επανεξέταση

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

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

γρανάζι, οδοντωτό τροχό

γρανάζι, οδοντωτό τροχό

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

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

τόρνος, λαβή

τόρνος, λαβή

Ex: In the workshop , lathe is an essential tool for manufacturing components such as shafts , pulleys , and bushings .
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computer-aided design technician
[ουσιαστικό]

a professional who uses specialized software to create detailed drawings and plans for buildings, machines, or products

τεχνικός υπολογιστικής σχεδίασης, επαγγελματίας σχεδίασης με υπολογιστή

τεχνικός υπολογιστικής σχεδίασης, επαγγελματίας σχεδίασης με υπολογιστή

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

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

ροπή, στραβός

ροπή, στραβός

Ex: The force applied to turn a steering wheel torque.
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plasticity
[ουσιαστικό]

the capability of being easily changed or molded into many different things

πλαστικότητα, ευπλασία

πλαστικότητα, ευπλασία

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

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

καρφί, ράβδισμα

καρφί, ράβδισμα

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
[ουσιαστικό]

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

υδραυλική ρωγμάτωσης, ρωγμάτωσης

υδραυλική ρωγμάτωσης, ρωγμάτωσης

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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transformer
[ουσιαστικό]

an electric device that is used to increase or decrease the voltage of an alternating current

μετασχηματιστής, ταχυσυνδέτης

μετασχηματιστής, ταχυσυνδέτης

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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substation
[ουσιαστικό]

a facility that transforms voltage levels and regulates electrical currents, typically situated in an electrical power distribution system

υποστάθμη, υποσταθμός

υποστάθμη, υποσταθμός

Ex: Utility companies strategically substations to ensure a reliable and stable power supply to consumers .
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combustion
[ουσιαστικό]

a chemical reaction between a fuel and an oxidizing agent, typically producing heat and light

καύση, καύση ύλης

καύση, καύση ύλης

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

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

αγωγός, κανάλι

αγωγός, κανάλι

Ex: To prevent water ingress , the conduits were sealed with waterproof materials where they entered the building .
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alternating current
[ουσιαστικό]

an electric current that reverses direction periodically, typically used in power distribution systems due to its efficiency in long-distance transmission

εναλλασσόμενο ρεύμα, εναλλασσόμενη τάση

εναλλασσόμενο ρεύμα, εναλλασσόμενη τάση

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

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

βιοαέριο, βιοκαύσιμο

βιοαέριο, βιοκαύσιμο

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
[ουσιαστικό]

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

βιοκαύσιμο, βιοκαύσιμα

βιοκαύσιμο, βιοκαύσιμα

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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electromechanical
[επίθετο]

relating to systems or devices that involve both electrical and mechanical components or functions

ηλεκτρομηχανικός, ηλεκτρομηχανική

ηλεκτρομηχανικός, ηλεκτρομηχανική

Ex: electromechanical doorbell combines electrical wiring with mechanical components .
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Λίστα Λέξεων Επιπέδου C2
PsychologyBiologyChemistryPhysics
AstronomyMathematicsGeologyEngineering
Measurement
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