多做题,通过考试没问题!

注册验船师

睦霖题库>水路交通运输技能考试>注册验船师

Which method listed below is acceptable by classification society to perform hose testing to weather tight hatch covers and closing appliances()

  • A、This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.
  • B、This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 3,5 kgf/cm2. The nozzle diameter is not to be less than 5mm.
  • C、This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 4,0 kgf/cm2. The nozzle diameter is not to be less than 8mm.
  • D、This is to be carried out at a maximum distance of 2,0m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.
正确答案:A
答案解析:
进入题库查看解析

微信扫一扫手机做题