Answer :
Final answer:
The answer to the question 'Sprinkler heads can withstand how many pounds of pressure (PSI)?' is likely (c) 150 PSI, based on the reference information mentioning 344 lb/in², though this seems high for a residential setting.
Explanation:
Regarding the question "Sprinkler heads can withstand how many pounds of pressure (PSI)?", the answer appears to be indicated from the provided reference information in part 61, which mentions a pressure value of 344 lb/in² (pounds per square inch) or 23.7 atmospheres (atm). Therefore, the most appropriate answer among the choices provided would be (c) 150 PSI, as it is the closest standard value under 344 PSI without exceeding it. It is worth noting, however, that this value seems unusually high for typical residential sprinkler systems, suggesting that the provided information may refer to an industrial or special context.
When considering the context of garden hoses and water pressure requirements, the content indicates that typical scenarios involve significantly lower pressures, as indicated by concerns that certain pressures (such as 344 lb/in²) are too high for garden hoses. It is generally understood that residential sprinkler systems are designed to operate effectively within a certain range of pressures and typical residential water pressures are well below 150 PSI.
