海船船员考试
单选题（）is the navigational timekeeper of the vessel.A The marine sextantB The chronometerC The magnetic compassD The gyrocompass
题目
The marine sextant
The chronometer
The magnetic compass
The gyrocompass
相似问题和答案
第1题：
Deck beams perform ______ of the following functions in the hull structure of a vessel．① They transfer deck loads to the frames；② They help to maintain the shape of the hull．
A.① only
B.② only
C.Both ① and ②
D.Neither ① nor ②
第2题：
elevated pole
celestial body
zenith
coaltitude
第3题：
Navigational warnings and weather bulletins for shipping ______ from Singapore Radio.
A.broadcast
B.broadcasted
C.are broadcast
D.are broadcasted
对船舶的航行警告和天气报告时由新加坡无线电台广播的。
第4题：
seaman
sailor
duty sailor
OS
第5题：
The topics for warnings included in HYDROLANTS，HYDROPACS，and NAVAREA warnings are the same
NAVAREA warnings concern only coastal navigation and inland navigation in large bays or sounds such as Puget Sound
The United States is responsible for NAVAREA warnings in the North Atlantic north of 7°N，and west of 15°W
Long range radio navigational warnings are usually broadcast by radiotelephone，radiotelegraph，and radio-teletypewriter
第6题：
Channel 13（156．65 MHz），the designated bridge-to-bridge channel，may NOT be used to ______．
A.exchange navigational information between vessels
B.exchange navigational information between a vessel and a shore station
C.conduct necessary tests
D.exchange operating schedules with company dispatcher
第7题：
constructive total loss
salvage loss
actual loss
preferred loss
第8题：
Periodic publications notifying changes in，or additions to，previously published navigational data is ________ ．
A.Supplements
B.Annual Summary
C.Navigational Warnings
D.Notice to Mariners
第9题：
serves as a sea painter
detaches from the liferaft automatically
is used to rig the boarding ladder
is cut immediately as it is of no further use
第10题：
Phosphorous
Safety
Self-extinguishing
Wooden