空分操作工
“空分操作工” 问题列表
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问题：汽轮机控制油压力为（）。A、0.85MPAB、1.0MPAC、0.25MPAD、0.6MPA...
Saturday, January 28, 2023
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问题：1kg理想流体在一水平管道内作稳定流动时，下列说法中正确的是（）...
Thursday, September 15, 2022
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问题：离心泵的出口阀门应在（）条件下启动。A、全开B、关闭C、半开D、随意...
Sunday, February 16, 2025
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Thursday, September 15, 2022
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Thursday, September 15, 2022
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问题：低温水泵突然停泵的因素有（）。A、水位超高B、空压机超压C、空分塔压力低...
Tuesday, January 3, 2023
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Thursday, September 15, 2022
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Thursday, September 15, 2022
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问题：（）的阻力损失大，一般流动阻力较同规格阀大5。25倍。A、安全阀B、球网C、截止阀D、止回阀...
Tuesday, August 22, 2023
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Saturday, September 17, 2022
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问题：介质在离心式压缩中，使气体得到压缩的部件为（）。...
Thursday, September 15, 2022
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Monday, September 12, 2022
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问题：分子筛吸附空气中的杂质（）（按吸附能力强弱顺序排列）...
Monday, September 12, 2022
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Thursday, September 15, 2022
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Thursday, September 15, 2022
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Sunday, March 17, 2024
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Thursday, September 15, 2022
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Sunday, March 17, 2024
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问题：膨胀机的单位制冷量与下列因素有关（）。A、进口温度B、出口温度C、进出口压差D、转速...
Sunday, November 19, 2023
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Monday, December 26, 2022