295) When no external force acts on a body, after giving it an initial displacement, the body is said to have free vibrations.

297) The coriolis component of acceleration exists whenever a point moves along a path that has

298) In a steam engine, the distance by which the inner edge of the D-slide valve overlaps the steam port is called lead.

299) A shaft of mass (m_c)and stiffness (s) is fixed at one end and carries a mass (m) at the other end. The natural frequency of its transverse vibration is same as for longitudinal vibration.

300) The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.