Confidence votes 340. A rise in the white blood cells may be due to a number of reasons, these are; Stress, Bacterial infections, Intense excercise, Leukemia, Inflammation and Trauma. 6 people found this useful.
The pitch diameter (often called the effective diameter) of a parallel thread is the diameter of the imaginary co-axial cylinder which intersects the surface of the thread in such a manner that the intercept on a generator of the cylinder, between the points where it meets the opposite flanks of a thread groove, is equal to half the nominal pitch of ...
beyond the pitch circle or pitch line. BASE DIAMETER (D. b) is the diameter of the base cylinder. from which the involute portion of a tooth profile is generated. BACKLASH (B) is the amount by which the width of a tooth. space exceeds the thickness of the engaging tooth on the. pitch circles.