The type of fit between a mating shaft of diameter $25.0^{\begin{matrix} +0.010 \\\ -0.010 \end{matrix}}$ mm and a hole of diameter $25.0^{\begin{matrix} +0.015 \\\ -0.015 \end{matrix}}$ is ______.

Bolts in the flanged end of pressure vessel are usually pre- tensioned. Indicate which of the following statements is not true

If the ratio of the diameter of river hole to the pitch of rivets is $$0.25$$, then the tearing Efficiency of the joint is

The bolts in a rigid flanged coupling connecting two shafts transmitting power are subjected to