Conical and shaped parts

Lessons 11–12 · 2 lessons · Mehnat ta’limi (Texnologiya) – Labour Education (Technology), textbook for Grade 7 of general secondary schools. Ministry of Public Education of Uzbekistan. Sharq Publishing, Tashkent, 2016/2017 (authors not named in the extracted text)

Answers are for parents and teachers.

Sketch a file handle and mark its cylinder and cone sections.

If D = 40, d = 20 and l = 100 mm, find tg α.

At scale 1 : 2 a drawn length of 55 mm is how many mm in reality?

Write the difference between sketch and drawing in 3 sentences.

Give 3 examples of shaped parts (from things seen at home).