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.
This was the same place the Declaration of Independence was signed. The Constitution was written during the Philadelphia Conventionânow known as the Constitutional Conventionâwhich convened from May 25 to September 17, 1787. It was signed on September 17, 1787.