Friday, November 11, 2022
问题:长期冷态蒸汽吹扫管线引入蒸汽时会发水击,()不属于水击现象。A、间歇性发出“咣咣”响声B、管口间歇喷出水C、管道间歇振动D、管口排出大量蒸汽
Saturday, September 10, 2022
Thursday, December 14, 2023
Tuesday, September 5, 2023
Friday, September 16, 2022
Tuesday, September 13, 2022
Saturday, January 28, 2023
问题:夏日气温超过40℃,对于装置内密闭管线可能出现超压,不正确处理方法是()。A、稍微打开一侧手阀B、放空管线介质C、每日中午开关阀门泄压D、常开放空
Tuesday, September 13, 2022
Monday, December 12, 2022
问题:仪表风中断的现象是()。A、所有风关阀全部关闭B、所有风关阀全部打开C、所有风开阀全部关闭D、所有风开阀全部打开
Tuesday, September 13, 2022
问题:流体稳定流动时有四种能量可能发生变化()、()、()以及()。
Saturday, November 5, 2022
问题:以下不属于炉管结焦的后果的是()。A、炉管烧裂B、加热炉热效率下降C、炉管局部产生热点D、炉膛变暗红
Tuesday, September 13, 2022
Monday, January 15, 2024
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:其他条件不变,加大常一线重沸温度,则()。A、常一干点降低B、常一干点升高C、常一初馏点降低D、常一初馏点升高
Monday, October 3, 2022
Tuesday, September 5, 2023
Tuesday, September 5, 2023
Tuesday, August 29, 2023
Friday, September 16, 2022