Special Curves
The angle subtended at the centre of the directing circle is calculated by the formula ____.
The arch length of a cycloid is how many times the radius of a circle generating the cycloid?
Gear tooth is a combination of hypocycloid and epicycloid.
If the diameter of the directing circle is doubled the diameter of the generating circle then the hypocycloid will become a ______.
A circle of 30 mm diameter rolls outside another circle of diameter 150 mm. The angle subtended at the centre of directing circle is _____
Which of the following curve will be generated if a circle of diameter 40 mm rolls on the circumference of another circle of diameter 150 mm and outside it?