Unit 13: Mechanical operations

LO1: Be able to plan for production in mechanical engineering

Interpreting engineering drawings

Learner activity sheet

Activity 1: Based on the isometric view of an object identify its orthographic view

Look at the isometric view of an object shown below, and pick which of the drawings (a, b c or d) is

showing its top view.

Version 1

Activity 2: Using first and third angle projection for technical drawing generation

Look at the two third angle projections of an object and replace the question mark with a required third

drawing.

a)

?

b)

?Version 1

c)

Version 1

Activity 3: Converting isometrics views to third angleLook at the isometric views of objects shown below, and draw the third angle projection for each (three

views required).

a)

b)

Version 1