Question
If a fixed extinguishing system has no gauges or indicators, how can its charge condition be determined?
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Initially, 10-ft3 (283 L) L fire extinguisher contains 2.270 kg of CO2 at 25°C. To determine whether the fire extinguisher is full, a pressure test is run. What should the pressure gauge read, in lb/in2, if the fire extinguisher is full?
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