Technical Words Quiz - 2nd Year 2024

Questions and Answers

What is the primary function of a bearing in a mechanical system?

To absorb shock and impact forces

To convert electrical energy into thermal energy

To reduce friction between moving parts (correct)

To provide structural support for buildings

What does the strength-to-weight ratio compare?

The toughness of a material relative to its strength

The toughness of a material relative to its density (correct)

The ability of a material to resist heat relative to its density

The elasticity of a material relative to its mass

Which term describes the device used to transform electrical energy into rotary motion?

Transducer

Motor (correct)

Converter

Generator

What is a pile foundation primarily used for?

To stabilize buildings by transferring loads to deep soil Signup and view all the answers

What is the purpose of a remote control system in engineering?

To control devices from a distance without a wired connection Signup and view all the answers

In a mechanical context, what does 'lubricant' refer to?

A material used to reduce friction between moving parts Signup and view all the answers

Which type of structure does a structural engineer primarily design?

Bridges and buildings Signup and view all the answers

What defines a cable in mechanical systems?

A rope made of many wires, usually metal Signup and view all the answers

What is the primary function of a chassis in a vehicle?

To serve as the base for main components Signup and view all the answers

What is galvanization primarily used for in materials?

To protect steel from corrosion Signup and view all the answers

Which term describes the process of separating chemical compounds using electricity?

Electrolysis Signup and view all the answers

What is a characteristic of kinetic energy?

It is energy related to motion Signup and view all the answers

What material is commonly used to make concrete when mixed with water?

Cement Signup and view all the answers

What does the term 'composite material' refer to?

Material reinforced with fibres or bars Signup and view all the answers

What is the purpose of insulation in construction?

To prevent or reduce conduction of heat or electricity Signup and view all the answers

Which of the following defines a membrane?

A thin layer acting as a barrier Signup and view all the answers

What is the function of a starter motor in an engine?

To turn the engine in order to start it running Signup and view all the answers

What does the term 'loose connection' refer to in an electrical context?

An electrical connection that is not fully tight, breaking the circuit Signup and view all the answers

What role do spoilers serve on aircraft wings?

To increase drag and reduce lift during descent Signup and view all the answers

What type of crane is most commonly known for being mobile?

Mobile crane Signup and view all the answers

What is the primary purpose of a radiator in vehicles?

To dissipate heat from a hot liquid into the air Signup and view all the answers

What does the term 'dynamic load' refer to?

A load generated by a moving object Signup and view all the answers

What is the function of a throttle in an engine?

To control the acceleration of the engine Signup and view all the answers

What is the purpose of a valve in a fluid system?

To open, close, or restrict the flow of gas or liquid Signup and view all the answers

What is the primary function of a coolant in a cooling system?

To remove heat from the engine components Signup and view all the answers

Which term describes the distance between components designed to fit tightly together?

Clearance Signup and view all the answers

What mechanical function does a clutch serve in a vehicle?

To transfer engine motion to the wheels Signup and view all the answers

What is the role of an engine in a vehicle?

To convert fuel into mechanical motion Signup and view all the answers

What describes the function of flaps on an aircraft's wings?

They increase lift for low-speed flight Signup and view all the answers

What does a temperature gauge indicate?

The current temperature of the engine Signup and view all the answers

Which system is used to inject fuel vapor into an engine's piston cylinder?

Fuel injection Signup and view all the answers

What is the primary function of a gearbox in a vehicle?

To change between different gear ratios Signup and view all the answers

What is the purpose of a low-loader truck?

To transport large heavy vehicles and construction plant Signup and view all the answers

What is the function of slings in lifting operations?

To attach crane hooks to objects for lifting Signup and view all the answers

What does an arc in electrical terms refer to?

Electrical current traveling short distances between conductors Signup and view all the answers

What is the primary purpose of a circuit breaker?

To interrupt the power supply during current fluctuations Signup and view all the answers

What type of device is a fire extinguisher?

A container for putting out fires using various agents Signup and view all the answers

What does the term 'load-bearing' refer to?

Parts designed to resist or transmit force Signup and view all the answers

What does shot-blasting involve?

Propelling small metal balls using compressed air for cleaning Signup and view all the answers

What is the function of a guardrail?

To prevent falls from elevated surfaces Signup and view all the answers

Study Notes

Engineering Terms and Definitions

Bearing: A component with balls or rollers reducing friction, commonly used with spinning shafts.
Belt (Drive Belt): A closed band connecting multiple pulleys, allowing one to drive others.
Cable: A rope composed of numerous metal wires.
Component: An individual part functioning within an assembly or mechanism.
Electromagnetic: Relating to an electrically generated magnetic field.
Foundation: A supporting base for structures often constructed from concrete.
Gears: Wheels with interlocking teeth for transferring drive between side-by-side wheels.
Inertia: An object's resistance to changes in speed or direction; proportional to its mass.
Lubricant: A liquid or viscous solid that minimizes friction between moving parts.
(Electric) Motor: A device converting electrical energy into rotational motion.
Pile Foundation: A type of foundation that involves driving vertical concrete columns into the ground.
Propeller: A device with spinning blades designed to propel boats or aircraft.
Reinforcement: Fibers or bars integrated within a material to enhance its strength, like steel in concrete.
Remote Control: A system managing devices or vehicles from a distance, typically wirelessly.
Sheave: Another term for a pulley.
Solar Power: The process of converting sunlight into electrical energy.
Strength-to-Weight Ratio: The toughness of a material measured relative to its density (mass/volume).
Structural Engineer: An engineer focused on designing buildings and large structures such as bridges.
Wind Load: The force that wind exerts on a structure.

Materials and Components

Aggregate: Solid particles used in mixtures, e.g., sand and gravel in concrete.
Automotive: Pertaining to vehicle design and manufacturing.
Blade: A sharp or toothed cutting device, often made of metal.
Cement: A lime-based powder combined with water to create concrete.
Chassis: The foundational frame of a vehicle for mounting components.
Composite Material: A combination of materials where a bulk matrix is strengthened with fibers or bars.
Conductor: A material capable of conducting electricity or heat, particularly electrical conductors in engineering.
Electrolysis: A process that passes an electric current through a liquid or solid to separate compounds.
Exhaust: A system responsible for removing smoke or gases from engines.
Galvanized: Steel coated with zinc for protection against rust and corrosion.
Insulation: A protective layer that reduces heat or electricity transfer.
Ironmongery: A broad term for small metallic items used in construction, such as hinges and screws.
Kinetic Energy: The energy related to the motion of an object.
Membrane: A thin material layer that acts as a barrier, e.g., waterproofing.
Puncture: A hole that allows air or liquid to escape from a container, like a tire.
Rust: Iron oxide that forms through the corrosion process when iron is exposed to moisture and air.
Scrap: Recovered or used materials designated for recycling, often metals.

Electrical and Mechanical Systems

Acetylene: A gas commonly used in welding processes.
Radiator: A heat-exchanging device dissipating heat from a hot liquid into the air.
Starter Motor: An electric motor that starts the engine rotation when activated.
Throttle: The control mechanism for regulating the engine's power.
Valve: A component that controls the flow of fluids or gases through pipes.
Electrical Contact: The junction point connecting two electrical conductors.
Electrical Breaker: A device that interrupts an electrical circuit as a safety measure.
Fan: A device with blades that generates airflow.
G-Force: The force of acceleration experienced relative to the force of gravity.
Gearbox: The casing containing gears and a mechanism to change gear ratios.
Hydraulics: Systems that utilize high-pressure oil to operate machinery via hydraulic rams.

Tools and Equipment

Beam: A long, narrow, horizontal structural component.
Crane: Equipment used for lifting heavy objects, including mobile, tower, and gantry cranes.
Jib: The moveable arm on a crane for extending reach.
Low-Loader: A truck designed for transporting heavy equipment and vehicles.
Silo: A large container used for storing bulk materials like grain.
Blower: A mechanical device that generates airflow for different applications.
Guardrail/Handrail: Safety features designed to prevent falls from heights.
Moisture-Sensitive: Describing materials or components that may be damaged by water exposure.
Loose Connection: An electrical connection that is improperly tightened, causing potential circuit failure.

Mechanical Forces

Drag: Resistance encountered by objects moving through gas or liquid.
Thrust: The force produced by engines or rockets by expelling gases.
Flaps: Moveable wing panels on aircraft to assist in lift during takeoff and landing.
Spoilers: Deflectors on planes that increase drag and reduce lift during descent and landing.
Isolation: Separating an electrical component from the circuit for safekeeping.
Off-Cuts: Waste material leftovers post-cutting processes.

These notes summarize essential technical vocabulary relevant for engineering, construction, and automotive sectors. Understanding these terms is crucial for effective communication in related fields.

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Description

Test your knowledge on technical terms related to mechanisms and mechanical components. This quiz focuses on definitions such as bearings, drive belts, and cables. Perfect for those studying engineering or related fields.