After the trouble of the automatic con

1、Propulsion of the vast majority of con

Propulsion of the vast majority of contemporary merchant ships (especially containerships and VLCCs) utilizes（） as prime mover.Agas turbineBdiesel engineCsteam engineDgasoline engine

2、They understand the （） of automatic sl

They understand the （） of automatic sludge discharging of the purifierBut they are not good in practice.AprincipleBprincipalCcauseDcase

3、The maneuverability of the ship is con

The maneuverability of the ship is considered（）if the following criteria are complied with.AsatisfactoryBsatisfactorilyCsmoothDsmoothly

4、Which of the listed components is cons

Which of the listed components is considered to separate the high pressure side of a refrigeration cycle from the low pressure side of the cy...

5、The major cause of trouble in a mechan

The major cause of trouble in a mechanical-hydraulic governor is contamination of the hydraulic fluid by （）AdirtBfuel oilCgovernor cooling waterDfuel oil tar

6、The majority of automatic mooring winc

The majority of automatic mooring winches are spur geared to improve the backward efficiency of the gear train for rendering（）Aspur gearedBscrew gearedCworm gearedDbelt drive