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Junior Cycle Graphics: True length & indexing

How often True length & indexing comes up on the Graphics 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

True length & indexing, Common Level(8 marks)

Quick ones on True length & indexing.

(a)What is indexing in orthographic drawing?
  1. Numbering the views in the order they are drawn
  2. Giving each corner the same letter in all views
  3. Listing every dimension in a table on the sheet
(b)A line shows its true length in a view when the line is?
  1. Inclined to that plane
  2. Perpendicular to that view's plane
  3. Parallel to that view's plane
(c)A vertical edge of an object appears in the plan as?
  1. A point
  2. A dashed line
  3. A true-length line
Show the answers

(a) Giving each corner the same letter in all views

(b) Parallel to that view's plane

(c) A point

Your turn: Common Level questions on True length & indexing.

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
2026Q5c
2025Q5d
2024Q3e
2023Q4d
2022Q3d

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

More True length & indexing questions

True length & indexing, 3 marks

A right square pyramid has base edges parallel to X–Y. Are its sloping edges true length in elevation?

  1. Yes, all four are true length
  2. Only the front two are
  3. No, all four look shorter
Show the answer

No, all four look shorter

In plan each sloping edge runs diagonally, at 45° to X–Y, so none is parallel to the vertical plane. Rotate one until its plan is parallel to X–Y to get the true length.

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