Thursday, September 15, 2022
Wednesday, September 21, 2022
Wednesday, September 21, 2022
单选题临时用电的电源线在防爆区域内不得有电源线接头()A 可以有防水插头B 可以有接头C 可以有经电工人员包扎的接头D 不得有电源线接头...
Monday, December 4, 2023
锅炉运行中,若安全阀全部失效,但压力表正常,仍可继续运行。()...
Thursday, September 22, 2022
单选题水泵调速的方法不包括()。A 采用增速齿轮变速B 采用电动机调速C 使用刚性联轴器D 用小汽轮机直接变速驱动...
Monday, December 4, 2023
单选题对于压力为3.82MPa的蒸汽锅炉,汽包应装设()安全阀。A 1个B 2个C 3个以上...
Wednesday, February 15, 2023
Thursday, September 22, 2022
Friday, September 16, 2022
单选题选择手弧焊机的焊接电缆应根据焊机的()。A 初级电流B 额定电流C 短路电流D 焊接电流...
Thursday, August 24, 2023
单选题汽包出口的蒸汽是()。A 汽水混合物B 饱和蒸汽C 过热蒸汽D 饱和水...
Friday, May 12, 2023
填空题水和汽水混合物在锅炉蒸发设备的循环回路中连续流动的过程称为锅炉的()....
Saturday, December 2, 2023
多选题下列内容中属于零件图的内容是()。A零件尺寸B零件的明细栏C技术要求D零件序号表...
Friday, March 31, 2023
Friday, May 12, 2023
Saturday, December 2, 2023
Thursday, May 18, 2023
单选题下列爆炸分类方法不同的是()A 泄漏着火爆炸B 自燃着火爆炸C 反应失控爆炸D 原子爆炸...
Wednesday, November 2, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022