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【判断题】
加热器运行要注意监视进.出加热器的水温，加热蒸汽的压力.温度及被加热水的流量，加热器汽侧水位的高度和加热器的端差。（）
A.
正确
B.
错误
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参考答案：
举一反三
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
do not use naturally produced fertilisers
B.
produce carbon dioxide when removing weeds
C.
use high doses of weed-killer
D.
use too many resources to qualify for organic status
【单选题】换热器管内为被加热水；管外为烟气，水侧结垢后管壁温度将会如何改变？或烟侧积灰后，管壁温度又将如何改变？（）
A.
增大，增大
B.
减小，减小
C.
增大，减小
D.
减小，增大
相关题目：
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
do not use naturally produced fertilisers
B.
produce carbon dioxide when removing weeds
C.
use high doses of weed-killer
D.
use too many resources to qualify for organic status
【单选题】换热器管内为被加热水；管外为烟气，水侧结垢后管壁温度将会如何改变？或烟侧积灰后，管壁温度又将如何改变？（）
A.
增大，增大
B.
减小，减小
C.
增大，减小
D.
减小，增大
参考解析：
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