[单选题]

Safety valve的意思是()。

A .安全卡瓦

B .安全阀

C .安全接头

D .安全开关

参考答案与解析:

相关试题

EGR Valve的中文意思是,()。

[填空题] EGR Valve的中文意思是,()。

  • 查看答案
  • N2 safety shut-off valve 1 tripped氮气安全截止

    [判断题] N2 safety shut-off valve 1 tripped氮气安全截止阀2故障A . 正确B . 错误

  • 查看答案
  • No4 solenoid Valve的中文意思是()。

    [填空题] No4 solenoid Valve的中文意思是()。

  • 查看答案
  • SIL是safety Integrity Lever的简称,中文的意思就是安全度

    [单选题]SIL是safety Integrity Lever的简称,中文的意思就是安全度等级.它是美国仪表学会(ISA)在S8.01标准中对过程工业中安全仪表系统所作的分类等级.SIL分为1、2、3三级。其中2级每年故降危险的平均概率为()之间A . 0.1~1B . 0.01~0.1C . 0.001~0.01D . 0.0001~0.001

  • 查看答案
  • The needle valve in a fuel valve will ()

    [单选题]The needle valve in a fuel valve will () when the fuel pressure action on the needle valve tapered face exerts a force lower than that of the spring compression.A . be jammedB . be openedC . be seatedD . be broke

  • 查看答案
  • safety belt

    [单选题]safety beltA.安全带B.安全帽C.救生衣D.安全网

  • 查看答案
  • safety net

    [单选题]safety netA.安全措施B.安全网C.安全帽D.安全防护

  • 查看答案
  • The needle valve in the injector () at a

    [单选题]The needle valve in the injector () at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.A . will liftB . will be liftedC . will closeD . will be closed

  • 查看答案
  • Exhaust valve grooving and corrosion is

    [单选题]Exhaust valve grooving and corrosion is caused by certain components of residual fuel oilThese components are sodium, sulfur, and ().A . vanadiumB . carbonC . copperD . ash

  • 查看答案
  • The opening of an exhaust valve on a mod

    [单选题]The opening of an exhaust valve on a modem, large, low-speed, main propulsion diesel engine may be actuated by ().A . direct action of cam shaftB . compressed air pressureC . hydraulic “push rods”D . direct action of the main piston movin

  • 查看答案
  • Safety valve的意思是()。