当前位置： 找题吧 >  船舶动力装置 海船船员
[单选题]

There is （） in any water cooling system for a diesel engine allowing for expansion and water make-up in the system as well as air vent and chemicals addition.

A . a setting tank

B . a service tank

C . a head tank

D . an expansion joint

参考答案与解析：

相关试题

In the closed cooling system, the water

[单选题]In the closed cooling system, the water （）.A . is made to circulate out of the systemB . is made to circulate within the systemC . is made circulate within the systemD . is made circulate out of the system

  • 查看答案

    • In a diesel engine cooling water system,

    [单选题]In a diesel engine cooling water system, a pH of 60 indicates a/an （）.A . slightly acidic conditionB . slightly alkaline conditionC . overtreatment of waterD . neutral condition of water

  • 查看答案

    • A diesel engine cooling water system wit

    [单选题]A diesel engine cooling water system with a pH factor of 30 indicates a condition of （）.A . slight acidityB . slight alkalinityC . excessive alkalinityD . excessive acidity

  • 查看答案

    • The cooling water temperature （） over a

    [单选题]The cooling water temperature （） over a period of 8 hours, and then shut down.A . should be gradually increasedB . should be gradually reducedC . should be constantly keptD . should be varied up and dow

  • 查看答案

    • Cooling water is circulated through_____

    [单选题]C．ooling water is circulated through______in some injectors.A．the nozzleB．the nozzle tipC．the internal passagesD．the fuel re-circulated

  • 查看答案

    • The cooling water of the diesel engine s

    [单选题]The cooling water of the diesel engine should be treated with chemical, because it contains .A．alkaliB．acidityC．salinityD．impurity

  • 查看答案

    • The cooling water jacket is common to al

    [单选题]The cooling water jacket is common to all the cylinders but there are often （） to ensure that each cylinder receives the right amount and flow of water.A . dividing wallsB . divided wallsC . dividing linersD . divided jacket

  • 查看答案

    • The cooling water is in direct contact w

    [单选题]The cooling water is in direct contact with the outer surface of the liner as a result of which it is termed a （）.A . water linerB . wet linerC . dry linerD . drown liner

  • 查看答案

    • Fresh water is used for the cooling of c

    [单选题]Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.A . cylinder coversB . lubricating spaceC . crossheadD . exhaust manifold

  • 查看答案

    • In a central cooling system, used in som

    [单选题]In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.A . main bearingsB . sea waterC . cooling oilD . lower temperature fresh w

  • 查看答案

    • There is （） in any water cooling system