英语PNEUMATIC指()A、电动的B、气动的C、电磁阀D、转换器

英语PNEUMATIC指()

  • A、电动的
  • B、气动的
  • C、电磁阀
  • D、转换器

相关考题:

Words with such clusters as “ch”, “ph”, “pn”, “rh” as in chasm, phone, pneumatic and rhetoric are most probably of _________ origin. A.GermanB.ChineseC.GreekD.Latin

下列词义的引申中,属于换喻的是() A、英语“pen”本义是“羽毛”,引申义为“笔”B、法语“bureau”本义是毛布,后来指铺毛布的“办公桌”C、俄语“ЯЗЫК”本义是指“舌头”,后用来指“语言D、汉语“习”本义是“鸟反复练习飞行”,后来指“复习、温习”之义E、英语window本义是窗口,现在用来指电脑桌面操作系统

Restrictions occurring in the small orifices(孔) of pneumatic control system components can be caused by ______.A.moisture in the compressed air supplyB.excessive dryness in the compressed air supplyC.pressure surging in the compressed air receiverD.insufficient lubrication of the system components

Which device is designed to automatically hold the load if power should fail to an electric winch?A.Pneumatic brakeB.Electromagnetic brakeC.Hand brakeD.Motor controller

The pneumatic containers which store bulk dry mud additives and cement on a ship are called ______.A.Mud hoppersB.Bulk binsC.P-tanksD.Mud tanks

下列英语指污损的是()。A、SCRATCHEDB、MISSINGC、STAINED

英语缩略词ECU是指(),SPI是指(),MPI是指(),SFI是指()

英语单词“thegreatwall”是指的什么()A、故宫B、兵马俑C、长城

英语INSTRUMENT指()A、仪表B、测量C、按钮D、信号

英语PIPE指()A、放大器B、铁管C、气管D、通气孔

英语CONVERTER指()A、电动的B、调节器C、电磁阀D、转换器

英语INTEGRATE指()A、数字信号B、积分C、比例带D、微分

英语PUSH BOTTON指()A、仪表B、开关C、按钮D、信号

英语SENSOR指()A、放大器B、火灾盘C、检测元件D、控制器

气流干燥(Pneumatic dryer)

英语“book”原来指“山毛榉”,现在指“书”,词义发生的变化是()。A、深化B、扩大C、缩小D、转移

单选题Condensate must be drained periodically from the air compressor receivers to prevent ().Asecond stage cylinder lockupBoil sump contaminationCfaulty operation of pneumatic valvesDcorrosion of air receiver baffles

单选题Restrictions occurring in the small orifices of pneumatic control system components can be used by ()Amoisture in the compressed air supplyBexcessive dryness in the compressed air supplyCpressure surging in the compressed air receiverDinsufficient lubrication of the system components

单选题The pneumatic containers which store bulk dry mud additives and cement on a ship are called().Amud hoppersBbulk binsCP-tanksDmud tanks

单选题The two most common gases used in pneumatic system are ()Acompressed air and nitrogenBhelium and nitrogenCoxygen and hydrogenDoxygen and acetylene

单选题In a pneumatic automation system, a unit producing a signal to govern the position of the controller of the measured variable, relative to the value of the measured variable, is said to have().Areset actionBproportional actionCtwo position actionDrate action

单选题Compressed air is used on board ship ().Afor starting diesel enginesBin pneumatic control systemCin pneumatic toolsDAll the above are true

单选题英语“文化”一词原意是指A勤奋B耕作C用餐D小说

填空题英语Double Ninth Festival,是指中国的____节。

单选题英语“book”原来指“山毛榉”,现在指“书”,词义发生的变化是()。A深化B扩大C缩小D转移

单选题The hand steering is a method by which the motion of the rudder is controlled with ().Aa motor-driven steering wheelBa pneumatic steering wheelCa hand-driven steering wheelDan electric steering wheel

单选题If an air compressor is used to supply air primarily to the combustion control system and other pneumatic controllers, the entire system is known as the ().Acontrol air systemBforced draft air systemCsupply air systemDships service air system