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Vocabulary for IELTS Academic (Band 8-9) - Engineering

Here, you will learn some English words related to Engineering that are necessary for the Academic IELTS exam.

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Vocabulary for Academic IELTS (8)
microelectronics

a branch of electronics that deals with the design and manufacture of extremely small electronic components and circuits, typically using semiconductor materials such as silicon

Ex: The field of microelectronics has revolutionized the design and production of compact electronic devices. 
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relay
relay
[noun]

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

Ex: The engineer installed a relay in the circuit to control the high-voltage switch safely. 
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ball bearing

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

Ex: The bicycle's smooth operation is attributed to the ball bearings in its wheel hubs and bottom bracket. 
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belt drive

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

Ex: The old factory machines relied on a belt drive system to transfer power from the central engine to various workstations. 
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test bench

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

Ex: The engineers used a test bench to evaluate the performance and durability of the new engine design. 
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cog
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: The cog in the gear system meshed perfectly with its neighboring cogs, ensuring smooth and efficient power transmission. 
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crank
crank
[noun]

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

Ex: The engineer used a crank to manually adjust the height of the lifting mechanism. 
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drive shaft

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

Ex: The driveshaft in the car transfers power from the engine to the rear wheels, enabling forward motion. 
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gearing
gearing
[noun]

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

Ex: The bicycle's gearing allows the rider to easily switch between different gear ratios for efficient pedaling on various terrains. 
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overhaul
overhaul
[noun]

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

Ex: The aircraft underwent a thorough overhaul to ensure all components met safety and performance standards. 
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rivet
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: The aircraft's fuselage was assembled using thousands of rivets to ensure a strong and durable connection between the metal panels. 
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sprocket
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: The bicycle's rear wheel is connected to the chain and sprocket assembly, facilitating smooth pedaling. 
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lathe
lathe
[noun]

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

Ex: The machinist used a lathe to shape the metal rod into a precise cylindrical form. 
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aerospace
aerospace
[noun]

the sector of technology and industry focused on aircraft, spacecraft, and their associated systems

Ex: He works in the aerospace industry designing new jets. 
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computer-aided design technician

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

Ex: A computer-aided design technician plays a crucial role in translating conceptual ideas into precise digital blueprints for manufacturing. 
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kinematics

the branch of mechanics that studies the motion of objects without considering the forces that cause the motion

Ex: In physics class, students often study the kinematics of projectile motion to understand the trajectory of objects. 
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torque
torque
[noun]

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

Ex: The wrench applied torque to loosen the stubborn nut on the bolt. 
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