问题
单项选择题
低压二氧化碳灭火系统采用二氧化碳灭火剂进行模拟喷气试验。试验要选定输送管道最长的防护区或保护对象进行,喷放量不小于设计用量的()。
A.5%
B.10%
C.20%
D.30%
答案
参考答案:B
解析:低压二氧化碳灭火系统采用二氧化碳灭火剂进行模拟喷气试验。试验要选定输送管道最长的防护区或保护对象进行,喷放量不小于设计用量的10%
低压二氧化碳灭火系统采用二氧化碳灭火剂进行模拟喷气试验。试验要选定输送管道最长的防护区或保护对象进行,喷放量不小于设计用量的()。
A.5%
B.10%
C.20%
D.30%
参考答案:B
解析:低压二氧化碳灭火系统采用二氧化碳灭火剂进行模拟喷气试验。试验要选定输送管道最长的防护区或保护对象进行,喷放量不小于设计用量的10%
I 1 you’re well. I’m 2 holiday in London with my friend Jenny. We arrived 3 plane last Monday and 4 a taxi to our hotel. I went for a walk in Hyde Park but Jenny 5 with me 6 she was tired. Then 7 Tuesday we saw the clock, Big Ben, and BuckinghamPalace. Queen Elizabeth lives in the palace, but we didn’t see her. I 8 some presents. 9 day we visited the BritishMuseum 10 had dinner in a Chinese restaurant.
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