【判断题】
当35KV变压器温度升到110。C以上时,风机应能自动开启。当温度降到80。C以下时,风机应能自动关闭
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硫化氢旗按国际3#旗的规格制作(国际3#旗的规格为:1400mm×900mm),旗上有“H2S”字样,“H2S”字样应布满在( )面积上。___
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C. 1000mm×650mm
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风向标应用( )相间的布制作,风向标应安装在人员易见的地方。 ___
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听到消防警报后,全船人员按《平台应急部署表》编队到各自指定的地点集合,并在( )分钟之内集合完毕。___
A. 1分钟
B. 2分钟
C. 3分钟
D. 4分钟
【单选题】
当硫化氢在空气中的浓度达到20PPM时,所有在危险区域工作的人员必须戴上( )。___
A. 自给式呼吸器
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当硫化氢在空气中的浓度达到10PPM时,工作人员戴上自给式呼吸器,不戴呼吸器工作时间不得超过( )小时。___
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( )对正压自给式空气呼吸器进行一次检查.保养并填写检查记录。___
A. 每月
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【单选题】
大钳牙板齿磨去原齿高的( ),应更换新牙板。___
A. 1/4
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在用大钳每( )必须探伤检查一次,并记录建档。___
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卡瓦装配后试验,至少有( )%的卡瓦牙能接触钻具。___
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【单选题】
所有钻杆都是由( )制造。___
A. 对焊钢管
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钻杆接头之间,主要是靠( )密封。___
A. 台肩
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钻杆接头类型中REG表示( )。___
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NO.1补心能座放外径( )的管柱。___
A. 11-3/4"~ 13-3/8"
B. 10-3/4"~ 9-5/8"
C. 8-5/8"~ 2-3/8"
D. 2-3/8"~ 13-3/8"
【单选题】
NO.2补心能座放外径( )的管柱。___
A. 11-3/4"~ 13-3/8"
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C. 8-5/8"~ 2-3/8"
D. 2-3/8"~ 13-3/8"
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NO.3补心能座放外径( )的管柱。 ___
A. 11-3/4"~ 13-3/8"
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D. 2-3/8"~ 13-3/8"
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18°锥面的吊卡的锥度不得小于( )。 ___
A. 10°
B. 12°
C. 15°
D. 16°
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在用吊卡每( )必须探伤检查一次,并记录建档。___
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常用的吊环提升载荷为( )吨。___
A. 350和500
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D. 250和600
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A. 100
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C. 150
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【单选题】
SH350型吊环中350表示( )。___
A. 提升载荷
B. 额定载荷
C. 序列号
D. 无意义
【单选题】
吊环在处理事故或者强力上提后要( )。 ___
A. 继续使用
B. 探伤检查
C. 报废处理
D. 焊接加固
【单选题】
吊环在损伤之后要( )。 ___
A. 报废
B. 继续使用
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D. 焊接修复
【单选题】
( )用于吊索直接诶系结杆件起吊,且可自动勒紧,并容易解开绳子。___
A. 瓶口结
B. 桅杆结
C. 水手结
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【单选题】
拖航固定时,大件的活动物品最好用( )固定。 ___
【单选题】
平台正常作业时的气隙高度是指:( )。___
A. 水面到海底的高度
B. 天车到转盘的高度
C. 转盘到海底的高度
D. 转盘到海面的高度
【单选题】
目前常用的钻井平台升降装置包括( )。___
A. 液压缸型和齿轮型
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在放拖缆时,应由专人指挥,放缆速度要( ),以防拖缆绞车的钢丝绳被拖船拉断。___
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Although he had looked through all the reference material on the subject, he still found it hard to understand this point and her explanation only _________ to his confusion.___
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We gave out a cheer when the red roof of the cottage came __________ view.___
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They took ________ measures to prevent poisonous gases from escaping.___
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Doing your homework is a sure way to improve your test scores, and this is especially true _______ it comes to classroom tests.___
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In developing countries people are _______ into overcrowded cities in great numbers.___
A. breaking
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There are other problems which I don't propose to ____________ at the moment.___
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It is quite necessary for a qualified teacher to have good manners and _________ knowledge.___
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I'm not sure whether I can gain any profit from the investment, so I can't make a(n) ______ promise to help you.___
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It has been revealed that some government leaders _______ their authority and position to get illegal profits for themselves.___
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Writing is a slow process, requiring _______ thought, time, and effort.___
A. significant
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Lightning is a ______ of electrical current from a cloud to the ground or from one cloud to another.___
A. rush
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I caught a ________ of the taxi before it disappeared around the corner of the street.___
A. vision
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Students or teachers can participate in excursions to lovely beaches around the island at regular _________.___
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The new appointment of our president _______ from the very beginning of next semester.___
A. takes effect
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