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问题:

[单选] 采用贫油吸收法脱除NGL,可将天然气中90%~95%的丙烷和()丙烷以上的重质成分分离出来。

A、90%~95%。B、95%~98%。C、98%~100%。

问题:

[问答题,简答题] 对于150mm×150mm断面的铸机,拉速为1.4m/min,其冷却水强度为1.12L/kg,求该连铸机的二次冷却水的耗水量?(铸坯的比重为7.6t/m3)

问题:

[单选] 在CDU的哪个页面可查到燃油量()?

A、性能页面和航路数据页面。B、性能页面和进程页面1/3。C、导航数据页面和航路数据页面。D、进程页面1/3和航路数据页面。

问题:

[单选] 能够吸引消费者重复购买服务产品的决定性因素为()

服务形象。服务品牌。服务承诺。服务企业定位。

问题:

[单选] If the cause of a sudden severe list or trim is negative initial stability,counter flooding into empty tanks may().

increase the righting moment。cause an increase in the righting arm。bring the unit to an upright equilibrium position。cause the unit to flop to a greater angle。

问题:

[单选] In the event of damage to the DEEP WATER SHIP which results in flooding to one of the lower-hull tanks,pump from().

nearby damaged tanks。nearby undamaged tanks containing ballast。tanks on the opposite corner。the opposite trim tank。

问题:

[单选] The tendency of a vessel to return to its original trim after being inclined by an external force is().

equilibrium。buoyancy。transverse stability。longitudinal stability。

问题:

[单选] ()is the tendency of a vessel to return to its original position after it is displaced therefrom.

Inclining moment。Stability。Shearing force。Bending moment。

问题:

[单选] Aboard damaged vessels,the MOST important consideration is preserving().

bilge pumping capacity。reserve buoyancy。level attitude。instability。

问题:

[单选] Addition of weight above the center of gravity of a vessel will ALWAYS().

reduce initial stability。increase righting moments。increase GM。All of the above。