• 首页

  • 题库

  • 网课

  • 在线模考

  • 搜标题
  • 搜题干
  • 搜选项
题目列表

航海英语海上消防单项选择题每日一练(2019.01.05)

  • 单项选择题

    Dry chemical fire extinguishers are effective on which type(s) of fire?()

    A.Burning oil
    B.Electrical
    C.Paint
    D.All of the above

  • 单项选择题

    A spring line is().

    A.any wire rope used for mooring
    B.a fire-warp
    C.a mooring line running diagonally to the keel
    D.a mooring line perpendicular to the keel

  • 单项选择题

    Halon extinguishers used on a class C fire should be directed at the().

    A.base of the equipment
    B.top of the equipment
    C.power source
    D.source of the fire

  • 单项选择题

    Blocking open or removing fire dampers can cause().

    A.fixed foam systems to be ineffective
    B.faster cooling of the fire
    C.the accumulation of explosive gases
    D.the fire to spread through the ventilation system

  • 单项选择题

    A fire in the galley ALWAYS poses the additional threat of().

    A.contaminating food with extinguishing agent
    B.spreading through the engineering space
    C.causing loss of stability
    D.a grease fire in the ventilation system

版权所有©考试资料网(ppkao.com) 长沙求知信息技术有限公司 All Rights Reserved

湘公网安备 43010202000353号备案号: 湘ICP备14005140号-2

经营许可证号 : 湘B2-20140064