Vocabulary Words Every Diesel Mechanic Should Know

Engine

Definition: A machine that converts energy into motion.

• The car's engine needs regular maintenance.
• He learned how an engine works in science class.
• The engine is what makes the vehicle move.

Engine in a sentence

Fuel

Definition: a substance that provides energy, such as gasoline or food

• Gasoline is a common fuel for cars.
• He learned about different types of fuel in science.
• Using renewable fuel helps the environment.

Fuel in a sentence

Oil

Definition: A smooth liquid used for cooking or fuel.

• We need to buy oil for the frying pan.
• The car runs on oil to keep the engine working.
• He added oil to the salad dressing.

Oil in a sentence

Brake

Definition: a device that slows or stops a vehicle

• He pressed the brake to stop the car.
• The brake squeaked when he applied it.
• Always check your brakes before driving.

Brake in a sentence

Tire

Definition: To exhaust or weary someone; also refers to a rubber covering on a wheel.

• She began to tire after running for an hour.
• He had a flat tire and needed to change it.
• The long hike made them all feel tire.

Tire in a sentence

Part

Definition: A piece or segment of something larger.

• She took part in the school play.
• Each part of the machine has a specific function.
• Understanding how parts work together is key to understanding systems.

Part in a sentence

Repair

Definition: To fix something that is broken or damaged.

• He will repair the bicycle this weekend.
• She called a technician to repair the fridge.
• They learned how to repair the car.

Repair in a sentence

Tool

Definition: An instrument or device used to perform a task.

• A hammer is a useful tool for building.
• I need a tool to fix my bike.
• He used a tool to cut the wood.

Tool in a sentence

Truck

Definition: A large vehicle used for transporting goods.

• The truck delivered furniture to our house.
• He drove the truck to the construction site.
• Understanding how trucks work is important in logistics.

Truck in a sentence

Load

Definition: The amount of weight or burden carried or transported.

• He helped carry the load of boxes to the car.
• The truck can handle a heavy load of goods.
• Understanding load capacity is important in logistics.

Load in a sentence

Drive

Definition: To operate a vehicle to go from one place to another.

• I will drive to the store this afternoon.
• She learned to drive when she turned sixteen.
• He likes to drive fast cars on the highway.

Drive in a sentence

Speed

Definition: the rate at which something moves or operates

• The car was going at a high speed on the highway.
• He needs to improve his running speed for the race.
• Understanding speed is important for physics.

Speed in a sentence

Power

Definition: The ability to do something or act in a certain way; energy used to perform work.

• Electricity provides power to our homes.
• He has the power to change the situation.
• The power of teamwork can lead to success.

Power in a sentence

Maintenance

Definition: the process of keeping something in good condition

• Regular maintenance of the car is necessary.
• The maintenance team fixed the broken equipment.
• They schedule maintenance for the computers often.

Maintenance in a sentence

Service

Definition: The action of helping or doing work for someone.

• The restaurant provides excellent service to its customers.
• We offer a service to help students with their studies.
• Volunteering is a way to give back to the community through service.

Service in a sentence

Torque

Definition: A measure of rotational force applied to an object.

• The mechanic checked the torque on the bolts.
• Torque is important for engines and machinery.
• Understanding torque helps in engineering.

Torque in a sentence

Mechanic

Definition: A person skilled in repairing and maintaining machinery, especially cars.

• The mechanic fixed my car quickly.
• She wants to become a mechanic after school.
• He took his bike to the mechanic for repairs.

Mechanic in a sentence

Battery

Definition: A device that stores energy for use.

• My remote control needs new batteries.
• The battery in my phone died during the trip.
• He replaced the battery in his watch.

Battery in a sentence

Diesel

Definition: A type of fuel used in diesel engines, which are more efficient than gasoline engines.

• He filled the truck with diesel at the station.
• Diesel engines are common in large vehicles.
• Learning about diesel technology is important in mechanics.

Diesel in a sentence

Transmission

Definition: The act of sending or conveying something, such as information or energy.

• The transmission of data occurs over the internet.
• He learned about the transmission system in cars.
• The transmission of sound through the air is essential for communication.

Transmission in a sentence

Exhaust

Definition: To use up or deplete energy or resources; also refers to waste gases from an engine.

• The race exhausted him after a long run.
• The car's exhaust filled the air with fumes.
• Understanding how to exhaust resources can lead to better management.

Exhaust in a sentence

Filter

Definition: To remove unwanted material from a substance; also refers to a device that cleans.

• You need to filter the water before drinking it.
• The coffee filter helps separate the grounds from the liquid.
• She used a filter to clean the air in her room.

Filter in a sentence

System

Definition: A set of connected things or parts that work together.

• Our school has a new system for tracking grades.
• The solar system has many planets.
• A good study system helps improve learning.

System in a sentence

Vehicle

Definition: A machine used for transporting people or goods, such as a car or bus.

• They drove a vehicle to the beach for vacation.
• Bicycles are also considered vehicles for transportation.
• Understanding different types of vehicles is important for safety.

Vehicle in a sentence

Cylinder

Definition: A three-dimensional shape with circular ends.

• A can is shaped like a cylinder.
• We learned about cylinders in math class.
• The gas tank is a long cylinder.

Cylinder in a sentence

Ignition

Definition: The act of starting a fire or engine; the process of igniting.

• Turn the key to start the ignition.
• The ignition system is crucial for the car.
• He checked the ignition before driving.

Ignition in a sentence

Turbocharger

Definition: A device that forces more air into an engine to increase power.

• The turbocharger improved the car's acceleration.
• He learned how a turbocharger works in automotive class.
• Turbochargers are used in many modern vehicles.

Turbocharger in a sentence

Horsepower

Definition: A unit of measurement for power, often used for engines.

• The car has 200 horsepower, making it very fast.
• He learned how horsepower affects vehicle performance.
• The tractor's horsepower is crucial for farming.

Horsepower in a sentence

Radiator

Definition: a device for heating a room or vehicle

• The radiator in the car keeps the engine cool.
• They turned on the radiator to warm the room.
• She adjusted the radiator to control the temperature.

Radiator in a sentence

Alternator

Definition: A device that generates electricity in a vehicle.

• The alternator charges the car's battery while driving.
• He had to replace the faulty alternator in his car.
• The mechanic checked the alternator during the service.

Alternator in a sentence

Diagnostic

Definition: Related to identifying a problem or disease; a test that helps determine health issues.

• The doctor performed a diagnostic test.
• She received a diagnostic report after the examination.
• The clinic offers diagnostic services for patients.

Diagnostic in a sentence

Performance

Definition: The act of doing something, especially in front of an audience; how well someone does a task.

• The performance of the students was impressive.
• He practiced daily for his music performance.
• Her performance in the play earned her applause.

Performance in a sentence

Lubrication

Definition: The process of applying a lubricant to reduce friction.

• Proper lubrication is important for the car's engine.
• He performed regular lubrication on the moving parts.
• Lubrication helps keep machines running smoothly.

Lubrication in a sentence

Combustion

Definition: The process of burning something to produce heat and light.

• Combustion occurs when fuel reacts with oxygen.
• Understanding combustion is essential in engines.
• The combustion of gasoline powers most cars.

Combustion in a sentence

Injection

Definition: the act of putting a substance into something, often with a needle

• The doctor gave her an injection to prevent illness.
• He felt nervous about the injection.
• The injection was quick and relatively painless.

Injection in a sentence

Overhaul

Definition: To take apart and examine something in order to repair or improve it; a major change.

• The car needed an overhaul to run smoothly.
• They planned to overhaul the company's policies.
• An overhaul can lead to better performance.

Overhaul in a sentence

Emissions

Definition: Substances released into the air, especially pollutants.

• The factory reduced its emissions to comply with regulations.
• They measured the emissions from the vehicle.
• Understanding emissions is key in environmental studies.

Troubleshooting

Definition: The process of identifying and solving problems in a system or device.

• He is good at troubleshooting computer issues.
• They used troubleshooting steps to fix the printer.
• Troubleshooting can save time and effort in repairs.

Troubleshooting in a sentence

Fuel Injection

Definition: a system that delivers fuel to an engine

• Modern cars use fuel injection for better performance.
• Fuel injection improves fuel economy and power.
• He learned about fuel injection in his auto class.

Fuel Injection in a sentence

Torque Wrench

Definition: A tool used to apply a specific torque to a fastener.

• He used a torque wrench to tighten the bolts accurately.
• The mechanic always checks the torque wrench before use.
• Understanding how to use a torque wrench is important for safety.

Torque Wrench in a sentence

Hydraulics

Definition: The use of liquid fluid power to perform work.

• Hydraulics is used in machines like excavators.
• She studied hydraulics in her engineering course.
• Understanding hydraulics helps in designing efficient systems.

Hydraulics in a sentence

Calibration

Definition: The act of adjusting a device to ensure accurate measurements.

• Calibration is essential for scientific instruments.
• The technician performed the calibration on the scales.
• Regular calibration helps maintain accuracy in measurements.

Calibration in a sentence

Efficiency

Definition: The ability to do something with minimum waste of time and resources.

• They improved the efficiency of their study habits.
• Efficiency is key in completing tasks quickly.
• She values efficiency in her daily routine.

Efficiency in a sentence

Torque Converter

Definition: A device that transfers rotating power from the engine to the transmission in vehicles.

• The torque converter helps smooth out engine power.
• She learned how the torque converter works in her class.
• Understanding torque converters is essential for mechanics.

Torque Converter in a sentence

Diagnostic Tools

Definition: Instruments used to determine the nature of a problem.

• Doctors use diagnostic tools to identify illnesses.
• He learned about various diagnostic tools in his training.
• Understanding diagnostic tools is important for accurate assessments.

Particulate Filter

Definition: A device that removes particles from air or liquids; used in various applications.

• The car has a particulate filter to reduce emissions.
• She learned how a particulate filter improves air quality.
• Particulate filters are essential in many industrial processes.

Chassis

Definition: The frame or structure of a vehicle that supports its components.

• The chassis of the car was damaged in the accident.
• Engineers design the chassis for safety.
• Understanding the chassis is important in automotive design.

Chassis in a sentence

Electrical Systems

Definition: Networks of electrical components used to supply, distribute, and use electric power.

• Understanding electrical systems is essential for electricians.
• The building's electrical systems were recently updated.
• He studied electrical systems in his engineering course.

Diagnostics

Definition: Tests and assessments used to identify problems or conditions.

• Medical diagnostics are crucial for understanding health issues.
• He studied diagnostics in his science class.
• Understanding diagnostics helps in making informed decisions.

Diagnostics in a sentence

Propulsion

Definition: The act of driving or pushing forward.

• The propulsion system helps the rocket launch into space.
• He studied propulsion in his physics class.
• Water propulsion is used in many boats.

Propulsion in a sentence

Specifications

Definition: Multiple detailed descriptions of requirements.

• The specifications for the building were complex.
• He reviewed the specifications before starting.
• Understanding the specifications is essential for engineers.

Specifications in a sentence

Component

Definition: A part or element of a larger whole.

• Each component of the machine must work together.
• She learned about the components of a healthy diet.
• Understanding each component is vital for the project.

Component in a sentence

Engineering

Definition: the field of designing and building structures or machines

• She wants to study engineering in college.
• Engineering involves math and science.
• They learned about different types of engineering.

Engineering in a sentence

Pneumatic

Definition: Related to air pressure; often refers to systems using compressed air.

• The pneumatic tools make construction easier.
• She learned about pneumatic systems in class.
• Understanding pneumatic technology is important in engineering.

Pneumatic in a sentence

Electrical

Definition: Relating to electricity; involving electrical systems.

• The electrical system in my house needs repair.
• He is studying electrical engineering.
• She fixed the electrical problem in the computer.

Electrical in a sentence

Resistance

Definition: The ability to withstand or oppose something; the act of resisting.

• He showed great resistance to the cold weather.
• Her resistance to the loud noise helped her focus.
• Understanding resistance can help in overcoming challenges.

Resistance in a sentence

Sustainability

Definition: The ability to be maintained or continued over the long term.

• We should focus on sustainability to protect the environment.
• Sustainability is important for future generations.
• She advocates for sustainability in her community.

Sustainability in a sentence

Optimization

Definition: The process of making something as effective or functional as possible.

• They focus on optimization to improve performance.
• Website optimization helps increase traffic.
• He learned about optimization techniques in class.

Optimization in a sentence

Mechanics

Definition: The study of motion and forces; also refers to the working parts of machines.

• He learned about mechanics in physics class.
• The mechanics of the engine are complicated.
• She is interested in the mechanics of how things work.

Mechanics in a sentence

Schematics

Definition: Diagrams that represent the elements of a system, often used in engineering.

• The schematics helped him build the model accurately.
• Her project included schematics for clarity.
• They examined the schematics to find the issue.

Instrumentation

Definition: The use of instruments to measure or control processes.

• Instrumentation is essential in scientific experiments.
• The laboratory has advanced instrumentation for research.
• He learned about instrumentation in his engineering course.

Instrumentation in a sentence

Retrofitting

Definition: The process of adding new technology or features to existing systems.

• Retrofitting the old system improved its performance.
• She is part of the retrofitting project for the school.
• Retrofitting can extend the life of old buildings.

Compliance

Definition: Following rules or standards.

• The company is in compliance with safety regulations.
• They ensured compliance with the new laws.
• She checked for compliance with the guidelines.

Compliance in a sentence