Exam 32: Spur Gears

The function of a gear is to transmit rotary or _________________________ motion from one machine part to another.

The formula for diametral pitch is ____.

The overall gear diameter is the outside diameter.

Spur gears connect ____ shafts.

Bevel gears connect shafts having intersecting axes.

The distance from a point on one gear tooth to a corresponding point on the adjacent tooth measured on the circumference of the pitch diameter is the ____.

The diameter of an imaginary circle on which the gear tooth is designed is the ____.

The smaller of two spur gears is a ____________________.

The radial distance between the bottom of one tooth and the top of the mating tooth is the ____.

Gears are often used to change the speed of a shaft.

A spur gear with a rack converts ____________________ motion to reciprocating or linear motion.

The pressure angle on spur gears is 14.5° or 30°.

The thickness of a tooth or space measured on the circumference of the pitch diameter is ___________________________________.

The diameter at the bottom of the tooth is the inside diameter.

The overall height of the tooth is the ______________________________.