热电技术监督考试
“热电技术监督考试” 问题列表
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问题：凝结水泵的出口水压是在负压条件下，因而要求具有良好的密封性能和抗汽蚀性能。...
Wednesday, April 12, 2023
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Monday, January 22, 2024
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Wednesday, December 6, 2023
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Tuesday, April 11, 2023
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Saturday, November 25, 2023
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Monday, June 19, 2023
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Friday, November 17, 2023
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Friday, December 15, 2023
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问题：往复泵适用于（）。A、大流量且流量要求特别均匀的场合B、介质腐蚀性特别强的场合C、流量较小，扬程较高的场合D、投资较小的场合...
Sunday, June 25, 2023
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问题：管子外壁加装助片（俗称散热片），目的是使热阻增加，传热量减少。...
Wednesday, August 2, 2023
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Sunday, April 9, 2023
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Thursday, August 10, 2023
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Sunday, April 7, 2024
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问题：离心泵流量不够，达不到额定排量可能是由于（）。A、轴承磨损B、过滤器堵塞C、电机转速高D、填料盖压得太紧...
Sunday, April 7, 2024
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问题：离心泵转数与功率的关系是N1/N2=n13/n23。...
Wednesday, December 6, 2023
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Monday, January 22, 2024
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问题：电磁式测振仪由接收振动的拾振器与指示读数的测振表及闪光灯组成。...
Tuesday, April 11, 2023
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Tuesday, September 13, 2022
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Tuesday, September 13, 2022
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Thursday, August 10, 2023