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【单选题】

Indications of the master gyrocompass are sent to remote repeaters by the（）.

A、follow-up system

B、transmitter

C、phantom element

D、azimuth motor

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更多“Indications of the master gyrocompass are sent to remote repeaters by the（）.”相关的问题
第1题
[单选题] Early m>indicationsm> m>ofm> m>them> approach m>ofm> a hurricane may be all m>ofm> m>them> following EXCEPT（）.

A、short confused swells  B、gradually increasing white clouds (mare's tails)  C、pumping barometer  D、continuous fine mist-like rain  

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第2题
[单选题] m>Them> most important information to be obtained from a barometer is m>them>（）.

A、difference between m>them> reading m>ofm> m>them> two pointers，which shows wind direction  B、last two figures m>ofm> m>them> reading m>ofm> m>them> pointer，such as 87，76，or 92  C、present reading m>ofm> m>them> pressure，combined with m>them> changes in pressure observed in m>them> recent past  D、weam>them>r m>indicationsm> printed on m>them> dial (such as cold，wet，etc.) under m>them> pointer  

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第3题
[单选题] Gyrocompass repeaters reproduce m>them> m>indicationsm> m>ofm> m>them> master gyrocompass. m>Them>y are（）.

A、accurate only in m>them> Polar regions  B、accurate electronic servomechanisms  C、hand operated  D、accurate only if m>them> vessel is underway  

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第4题
[单选题] Gyrocompass repeaters reproduce m>them> m>indicationsm> m>ofm> m>them> master gyrocompass. m>Them>y are（）.

A、accurate only in m>them> Polar regions  B、accurate electronic servomechanisms  C、hand operated  D、accurate only if m>them> vessel is underway  

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第5题
[单选题] m>Them> first m>indicationsm> a mariner will have m>ofm> m>them> approach m>ofm> a warm front will be （）.

A、large cumulonimbus (thunderclouds) building up  B、high cirrus clouds gradually changing to cirrostratus and m>them>n to altostratus  C、fog caused by m>them> warm air passing over m>them> cooler water  D、low dark clouds accompanied by intermittent rain  

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第6题
[单选题] m>Indicationsm> m>ofm> （）are loss in power and irregular running m>ofm> m>them> engine, high exhaust temperatures m>ofm> corresponding unite, high local temperature in scavenge trunk, surging m>ofm> turbocharger, and sparks and smoke emitted from scavenge drains.

A、a crankcase explosion  B、a scavenge fire  C、abnormal compression ratio  

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第7题
[单选题] m>Them> m>indicationsm> m>ofm> a scavenge fire are excessive black smoke, （） and peeling from scavenge trunking.

A、turbo-chargers surge  B、spark seen from m>them> drains  C、paint blistering  D、all above are right  

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第8题
[单选题] For a given exhaust gas boiler, what is m>them> quantity m>ofm> its evaporation mainly determined?（）

A、m>them> temperature and flow quantity m>ofm> m>them> exhaust gas from M/E  B、m>them> quantity m>ofm> steam demanded  C、m>them> rotary speed and m>them> cooling water temperature m>ofm> main engine  D、efficiency m>ofm> M/ turbocharger  

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第9题
[单选题] Which m>ofm> m>them> following commands will display, in MB, m>them> total, used, and free blocks m>ofm> m>them> currently mounted filesystems?（）

A、df -m  B、du -m  C、df -vm  D、du -vm  

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