【Daily Topic】【HVAC Version 20170504】
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Participation reward: 2 Wealth. Correct reward: 6 wealth. Multiple-choice question: In a fire hydrant fire supply system, a zoned water supply system should be used when the static pressure at the lowest fire hydrant is greater than ( ); in an automatic sprinkler fire extinguishing system, such a system should be employed when the static pressure at the lowest sprinkler head is greater than ( ). A. 800pa; 800pa B. 600pa; 1200pa C. 800pa; 1000pa D. 1000pa; 800pa C
A zoned water supply system should be employed when the static pressure at the lowest fire hydrant in a fire hydrant-based fire protection system is greater than ( C ), and the static pressure at the lowest sprinkler head in a sprinkler system is greater than ( ). A. 800pa; 800pa B. 600pa; 1200pa C. 800pa; 1000pa D. 1000pa; 800pa
This post was last edited by AChuan on 2017-5-4 at 12:46. It’s a good suggestion; my computer is a bit slow, so I sent it twice – sorry. Choose C
A zoned water supply system should be employed when the static pressure at the lowest fire hydrant in a fire hydrant-based fire protection system is greater than ( C ), and the static pressure at the lowest sprinkler head in a sprinkler system is greater than ( ). A. 800pa; 800pa B. 600pa; 1200pa C. 800pa; 1000pa D. 1000pa; 800pa