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ScotlandGraphic CommunicationQuick questions
Technical Graphics (TG)
Quick questions on British Standards conventions: line types, symbols and abbreviations - SQA Advanced Higher Graphic Communication
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State what a thin chain line represents on a working drawing. [1 mark]
What is q2?Show answer
State what the abbreviation PCD stands for. [1 mark]
What is q3?Show answer
State why a screw thread is shown using a conventional representation rather than drawn as a true helix. [1 mark]
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