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Junior Cycle · Junior Cycle Engineering

Junior Cycle Engineering: Drilling & the centre lathe

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

CL Asked on 5 of the last 5 Common Level papers, most recently in 2026. banker

Drilling & the centre lathe, Common Level(6 marks)

Quick ones on Drilling & the centre lathe.

(a)Which lathe process makes the end of a bar flat and square to its axis?
  1. Parallel turning
  2. Facing
  3. Parting off
(b)Which lathe process reduces the diameter of a bar evenly along its length?
  1. Centre drilling
  2. Taper turning
  3. Parallel turning
(c)Which lathe process presses a diamond or straight pattern into a bar for better grip?
  1. Knurling
  2. Taper turning
  3. Chamfering
Show the answers

(a) Facing

(b) Parallel turning

(c) Knurling

Your turn: Common Level questions on Drilling & the centre lathe.

Common Level

Asked on 5 of the last 5 Common Level papers, most recently in 2026. banker

Every paper, year by year

YearWhere it came up
2026Q1e, Q4b
2025Q2a
2024Q1e
2023Q1e, Q2c
2022Q4c

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

More Drilling & the centre lathe questions

Drilling & the centre lathe, 3 marks

How should a small piece of metal be held when it is drilled on the pillar drill?

  1. Held firmly in your hand
  2. Gripped with a pair of pliers
  3. Clamped in a machine vice
Show the answer

Clamped in a machine vice

The drill can grab the work and spin it round, cutting your hand. A machine vice keeps small work steady and your fingers clear. Wear goggles and keep the chuck guard down.

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