【判断题】【消耗次数:1】
强制通风装置中装用的单向阀失效将会引起发动机怠速不稳
正确
错误
参考答案:
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相关题目
【多选题】 以下哪些原因会引起发动机怠速不稳?( )
①  喷油器线路故障
②  节气门位置传感器故障
③  喷油器卡滞于常开状态
④  进气歧管真空泄漏.
【判断题】 装用电控节气门系统的发动机不需装用怠速控制阀
①  正确
②  错误
【单选题】 发动机冷车怠速不稳、易熄火是下面哪种原因造成的
①  怠速空气阀有问题
②  三元催化转化器堵塞造成的
③  水温传感器阻值偏大
④  排气管有堵塞造成的
【单选题】 以下哪个原因会造成发动机怠速不稳,易熄火的故障现象
①  各缸喷油器喷油量不均匀
②  进气系统有漏气的地方
③  EGR系统中EGR阀不工作
④  水温传感器有故障
【判断题】 PCV系统出现了问题可造成发动机的怠速不稳的故障
①  正确
②  错误
【判断题】 怠速时,随着发动机温度的升高,ISCV阀的开度应减小。( )
①  正确
②  错误
【判断题】 当发动机刚刚起动后,开关型怠速控制阀的线圈处在通电状态
①  正确
②  错误
【判断题】 发动机怠速时,用手触摸喷油器,应有振动感
①  正确
②  错误
【单选题】 发动机润滑油粘度过大,会引起(? ? )。
①  发动机冷启动困难
②  减轻发动机零件磨损
③  冷却效果好
④  洗涤效果好
【单选题】 以下()是电喷发动机怠速转速过高的原因之一。
①  怠速控制阀有故障
②  节气门位置传感器故障
③  车速传感器有故障
④  喷油器线路断路
随机题目
【单选题】 If by any chance someone comes to see me, ask the person to leave a ____.
①  message
②  letter
③  sentence
④  notice
【单选题】 19. They lost their way in the forest, and____ made matters worse was that snow began to fall..
①  that
②  it
③  what
④  which
【单选题】 We started out early in order that we ____ there in time.
①  would get
②  ought get
③  should get
④  had to
【单选题】 The moon ____ to a large mirror which reflects the sun’s light to the earth.?
①  compares ?
②  can compare ?
③  can be compared ?
④  may compare?
【单选题】 —Good-bye for now. —____.
①  The same to you
②  Thats OK
③  Long time no see
④  See you
【单选题】 Most electronic devices of this kind, ____ manufactured for such purposes, are tightly packed.
①  that are
②  as are
③  which is
④  it is
【单选题】 I am very ____sitting on this old, broken chair.
①  comfortably
②  uncomfortably
③  commonly
④  uncommonly
【单选题】 Tom ____more than twenty pounds on the novel.
①  spent
②  paid
③  cost
④  took
【单选题】 You can take as many as you like because they are free of ____ .?
①  fare ?
②  charge ?
③  money ?
④  pay?
【单选题】 Theorganizationhad ____ hisrequestforresearchfunding.
①  agreed
②  returned
③  objected
④  rejected