MP Sub-Engineer ME: Gears and Gear Trains Quiz 42

The radial difference between the addendum and the dedendum of the tooth is called _________

The portion of path of contact from the beginning of contact to the pitch point is called _______.

Arc of contact = ___________________ Complete the equation.

The ratio of angle of action to the pitch angle is called ___________.

What is the formula for the path of approach?

If the contact ratio is 2.7, two pairs of teeth are always in contact and three pairs of teeth are in contact for _________ % of the time.

The distance between the corresponding points on adjacent teeth measured on the pitch circle is called ______________

The distance by which a helix advances along the axis of the gear for one turn around is called _____________

Find the speed of the gear if the worm is a three start worm rotating at 500 rpm. The gear has 20 teeth.