Equipment users can detect cavitation audibly, visually, by acoustical instrumentation, by machine vibration sensors, through sonoluminescence measurement or by a decrease or change in performance from that produced under single-phase flow conditions (for example, loss of flow, rigidity and response).
The members of the Constitutional Convention signed the United States Constitution on September 17, 1787 in Philadelphia, Pennsylvania. The Constitutional Convention convened in response to dissatisfaction with the Articles of Confederation and the need for a strong centralized government.
The Declaration of Independence was signed on July 4, 1776 at Independence Hall in Philadelphia, Pennsylvania. The US Constitution was signed by 39 of the 55 delegates to thâ¦e Constitutional Convention, on September 17, 1787, at the same location, which was then known as the Pennsylvania State House.