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Junior Cycle Engineering: Pneumatics & hydraulics

How often Pneumatics & hydraulics comes up on the Engineering papers, every year it was asked, and questions to try.

CL Asked on 3 of the last 5 Common Level papers, most recently in 2025. most years

Pneumatics & hydraulics, Common Level(7 marks)

Quick ones on Pneumatics & hydraulics.

(a)A pneumatic system is worked by what?
  1. Liquid under pressure
  2. Compressed air
  3. Electric current
(b)What does the word hydraulic mean in engineering?
  1. Worked by a spring that stores energy
  2. Worked by air squeezed into a tank
  3. Worked by liquid, usually oil, under pressure
(c)Why does a digger use hydraulics rather than pneumatics to lift heavy loads?
  1. Oil does not squash, giving huge force
  2. Hydraulics need no pump or power at all
  3. Air is heavier than oil, so it lifts less
Show the answers

(a) Compressed air

(b) Worked by liquid, usually oil, under pressure

(c) Oil does not squash, giving huge force

Your turn: Common Level questions on Pneumatics & hydraulics.

Common Level

Asked on 3 of the last 5 Common Level papers, most recently in 2025. most years

Every paper, year by year

YearWhere it came up
2026Not asked
2025Q3f
2024Not asked
2023Q3d
2022Q2e

Links open the State Examinations Commission’s paper for that year.

Other Engineering topics

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