Hydraulic actuator

Term

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Definition

An actuator that uses pressurised fluid to move a piston, giving large force, as in excavators and heavy robot arms.

Example: Hydraulic actuators lift the excavator arm.

Found in: syllabus.

Where you'll use it in the test

Syllabus area: Y11 Mechatronics.

Question types it can appear in

Multiple choice: Pick the option that matches the definition or example.
Matching or table: Match it to its description, example or category.
Fill in the blanks: Choose this term to complete a statement or table.

How to use it

A model sentence

General advice, built from the definition and example above

“An actuator that uses pressurised fluid to move a piston, giving large force, as in excavators and heavy robot arms.” Then apply it: Hydraulic actuators lift the excavator arm.

In a short answer, give the definition in your own words first, then tie it to the situation in the question. Do not copy the example above unless it fits the scenario.

Go deeper

Flashcard: Hydraulic actuator in Programming Mechatronics (Year 11) · study that set
Memorise: Mechatronics: hardware, sensors, actuators, control
Notes: Mechatronics: hardware, sensors, actuators, control (Year 11 content (Programming fundamentals, OOP, Mechatronics))
Full term page: every question, note and marking comment for Hydraulic actuator

Check yourself

Explain “Hydraulic actuator” in one sentence, give an example, and name a question type that could test it.

Reveal the answer

An actuator that uses pressurised fluid to move a piston, giving large force, as in excavators and heavy robot arms.

Example: Hydraulic actuators lift the excavator arm.

Could be tested as: Multiple choice, Matching or table, Fill in the blanks.