Use of Auxiliary Plans (Leaving Cert DCG): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the main purpose of auxiliary plans in technical drawing?
What is the main purpose of auxiliary plans in technical drawing?
To solve complex geometric problems
What key principle allows auxiliary plans to show surfaces in their true shape?
What key principle allows auxiliary plans to show surfaces in their true shape?
Viewing perpendicularly
What must be established first before attempting to find intersections using auxiliary plans?
What must be established first before attempting to find intersections using auxiliary plans?
The edge view of oblique surfaces
How does an oblique surface appear when shown as an edge view?
How does an oblique surface appear when shown as an edge view?
As a straight line
Which projection method is used when transferring points to an auxiliary plan?
Which projection method is used when transferring points to an auxiliary plan?
Parallel projection lines
In Step 5 of auxiliary plan construction, where are intersection points projected to?
In Step 5 of auxiliary plan construction, where are intersection points projected to?
Back to original plan and elevation
How do true intersections appear in auxiliary plans compared to surface contacts?
How do true intersections appear in auxiliary plans compared to surface contacts?
Intersections create visible lines
What happens to small errors made in auxiliary plans when projected back?
What happens to small errors made in auxiliary plans when projected back?
They multiply
When dealing with multiple oblique surfaces, what construction strategy should be used?
When dealing with multiple oblique surfaces, what construction strategy should be used?
Create separate auxiliary plans for each
What is the correct sequence for using auxiliary plans?
What is the correct sequence for using auxiliary plans?
Original → auxiliary → back to original