LOW SURGE TANK AUX.WATER LEVEL表示（）。

[单选题]surge tank的作用有（）。A . 提供额外的油箱空间B . 通气C . 2%的油箱溢流空间D . 用于油箱通气和提供2%溢油空间

[单选题]A level gauge for a tank is to （）.A . give the pressureB . give the contentsC . give the shape of the tankD . give the accuracy level

[填空题] LOW OIL LEVEL COMPR CRANKCASE LSLL-731表示（）。

[单选题]Ballast water can only be（）in cargo tanks in exceptional cases where the particular character of the operation of an oil tanker renders it necessary to carry ballast water in excess of the quantity required，provided that such operation of the oil tan

[单选题]The water level in the gauge glass when a boiler is operating is _____ when the boiler is shut down.A．lower thanB．higher thanC．belowD．equal to

[单选题]The water level showing in a boiler water gauge glass is usually ( ) duringworking.A．higher than the actual drum water levelB．equal to the actual drum water levelC．increasing due to steam condensation in the glassD．lower than actual drum wafer level

[单选题]If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.A . loss of suction in the circulating pumpB . leak in the primary cooling systemC . broken raw water pump shaftD . burne

[名词解释] 换料水（贮存）箱 refueling water (storage) tank

[单选题]当滑油量低于多少时出现“LOW OIL LEVEL”闪烁指示，这时需要给APU加滑油（）A . 3.9夸脱；B . 4.9夸脱；C . 5.9夸脱。

[单选题]低油面传感器（LOW LEVEL）在何种状态下会发出低油面信号？（）A . 干时DRYB . 湿时WET