Involute (Leaving Cert DCG): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is an involute?
What is an involute?
A curve from unwinding string from a shape
In what practical application are involute curves commonly used?
In what practical application are involute curves commonly used?
Gear design
What is the first step when constructing an involute to a square?
What is the first step when constructing an involute to a square?
Extend each side outward beyond corners
How does the radius change when drawing arcs for a square involute?
How does the radius change when drawing arcs for a square involute?
Radius increases around the perimeter
What relationship must arc sections maintain in polygon involutes?
What relationship must arc sections maintain in polygon involutes?
Each arc tangent to the previous one
How many divisions typically work well when dividing a circle for an involute?
How many divisions typically work well when dividing a circle for an involute?
8 or 12 divisions
What does each tangent length equal in circle involute construction?
What does each tangent length equal in circle involute construction?
Arc length back to starting position
How should irregular shapes be approached for involute construction?
How should irregular shapes be approached for involute construction?
Break into manageable sections
What construction technique leads to better final curves?
What construction technique leads to better final curves?
Accurate measurements in initial divisions
What is a common mistake in involute construction?
What is a common mistake in involute construction?
Making unequal divisions on perimeter