Changing levels of certain substances in the blood, such as sodium, can cause confusion. Increased heart rate...heart palpitations, which feel like your heart is racing or throbbing. To make up for the loss in pumping capacity, the heart beats faster.
The pitch plane of a pair of gears is the plane perpendicular to the axial plane and tangent to the pitch surfaces. A pitch plane in an individual gear may be any plane tangent to its pitch surface.
CIRCULAR PITCH (p) is the distance along the pitch circle or. pitch line between corresponding profiles of adjacent teeth. CIRCULAR THICKNESS (t) is the length of arc between the. two sides of a gear tooth on the pitch circle, unless otherwise. specified. CLEARANCE-OPERATING (c) is the amount by which the. dedendum in a given gear exceeds the addendum of its mat-. ing gear.