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All pressure gauges used for hydrant testing shall be calibrated at least every _____, or more frequently depending on use.CorrectIncorrect
When measuring the pitot pressure of a stream of practically uniform velocity, the orifice in the pitot is held downstream approximately _____ the diameter of the hydrant outlet or nozzle opening, and in the center of the stream.CorrectIncorrect
When flow testing hydrants, pitot readings of less than _____ psi and more than _____ psi should be avoided, if possible.CorrectIncorrect
When performing a hydrant discharge test, if a pitot gauge is not available to measure the hydrant discharge, a _____ gauge tapped into the hydrant cap can be used.CorrectIncorrect
What is the theoretical discharge through a 3 inch diameter circular orifice with a pitot pressure of 9 psi?CorrectIncorrect