A flanged bolt coupling consists of eight d-mm diameter steel bolts on a bolt circle 267 mm in diameter, and four d-mm diameter steel bolts on a concentric bolt circle 190 mm in diameter. If the torque that can be applied is 8166 Nm without exceeding a shearing stress of 43.32 MPa in the bolts, what is the diameter of the bolts? Round off the final answer to two decimal places.

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Design of Shafts and Shaft Components

The shaft is basically defined as the machine element that rotates, is in circular cross-section, it is majorly used to transfer the power from one part of the system to another, or from a power generating machine to a power absorbing machine. The shaft is supported on bearings and is rotated with the help of a set of gears or pulleys that are used for the power transmission. Bending moment, torsion, and an axial force act upon the shaft. Designing of shaft primarily involves determining stresses at a critical point in the shaft that is arising due to loading.