Sheet Metal Worker Trade Test Practice Questions - South Africa Artisan Trade Test - Sheet Metal Worker (QCTO NAMB) Exam

In parallel line development, what is the 'stretch-out line'?

A line equal to the true outside perimeter (circumference) of the object laid out straight The centre line of the elevation view A line showing the seam allowance only The slant height of a cone

Correct Answer:

A line equal to the true outside perimeter (circumference) of the object laid out straight

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