当前位置： 找题吧 >  船舶动力装置 海船船员
[单选题]

The starting air system usually has （） to prevent starting if anything is not in order.

A . stop valves

B . interlocks

C . non-return valves

D . air vent

参考答案与解析：

相关试题

During the inspection, the starting air

[单选题]During the inspection, the starting air valves should be closed （） the engine from turning.A . to increaseB . to speed upC . to preventD . to reduce

  • 查看答案

    • Before starting the engine, the air bott

    [单选题]B．efore starting the engine, the air bottle should be ____.A．pumped upB．loadedC．dischargedD．closed

  • 查看答案

    • When the starting air valve closes on on

    [单选题]When the starting air valve closes on one cylinder, another starting air valve has （） opened on another cylinder whose piston has just commenced its downward stroke.A . justB . nearlyC . merelyD . already

  • 查看答案

    • Before starting the engine the air bottl

    [单选题]Before starting the engine the air bottle should be （）.A . pumped upB . loadedC . dischargedD . opened

  • 查看答案

    • During （）, the starting air valves shoul

    [单选题]During （）, the starting air valves should be closed to prevent the engine from turning.A . overhaulB . runningC . blowing downD . All of the above are correct

  • 查看答案

    • The total starting air capacity required

    [单选题]The total starting air capacity required for reversible main engines is to be sufficient for at least （）.A . six consecutive startsB . eight consecutive startsC . ten consecutive startsD . twelve consecutive start

  • 查看答案

    • Air cocks, usually positioned at the （）

    [单选题]Air cocks, usually positioned at the （） in a circulating system, is used to get rid of the air in the system.A . bending jointB . expansion tankC . weldD . the highest point

  • 查看答案

    • The pressure of pilot air is usually （）

    [单选题]The pressure of pilot air is usually （） than that of starting air.A . higherB . lowerC . lowD . high

  • 查看答案

    • The pressurized air is usually cooled to

    [单选题]The pressurized air is usually cooled to increase the charge air （）.A . viscosityB . densityC . velocityD . electricity

  • 查看答案

    • Air cocks, usually positioned at the____

    [单选题]A．ir cocks, usually positioned at the_______in a circulating system, is used to get rid of the air in the system.A．bending jointB．expansion tankC．weldD．the highest point

  • 查看答案

    • The starting air system usually has （） t