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 ...
So not all pitches are the same size. The length of a pitch must be between 100 yards (90m) and 130 yards (120m) and the width not less than 50 yards (45m) and not more than 100 yards (90m).