The ratio of any two successive amplitudes of a damped sdof system undergoing free vibration is 2 to 1. determine the natural period of vibration of the system in seconds if the damped period of vibration is 1.0061 sec.

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Wiy doeres rere okhn a pump whon working betwon the same pressure range?

For each of the following process: a) sketch the p-v diagram, b)sketch t-s diagram, c) sketch t-v diagram, d) sketch the boundary work on one of the diagrams (a, b or c) and e) sketch the reversible heat transfer on one of the diagrams (a, b or c): 1- isobaric process from compressed liquid to superheated vapor 2- isothermal process from compressed liquid to superheated vapor 3- isentropic process from compressed liquid to superheated vapor