试题与答案

电缆与热管道及热力设备平行、交叉时,应采取隔热措施,使电缆周围土壤的温升不超过()A

题型:单项选择题

题目:

电缆与热管道及热力设备平行、交叉时,应采取隔热措施,使电缆周围土壤的温升不超过()

A.15℃

B.20℃

C.30℃

D.10℃

答案:

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参考答案:蓄水池容量应大于每小时最大供水量、水泵扬程应大于实际供水高度、水泵流量总和应大于实际最大供水量

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