431) In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

432) The acme threads are usually found on

433) The radial distance from the __________ to the clearance circle is called working depth.

434) In designing thick cylinders, the equation used is

435) Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B.