At the master gyrocompass，the compass card is attached to the ______．A.Spider elementB.Sensitive elementC.Link armD.Pickup transformer
At the master gyrocompass，the compass card is attached to the ______．
A.Spider element
B.Sensitive element
C.Link arm
D.Pickup transformer
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Where is the GMDSS Radio Logbook kept aboard ship?A.Attached to the Deck LogbookB.At the principal radio operating locationC.In the Chief Mate’s officeD.In the Master’s office
The most accurate method of determining gyrocompass error while underway is by ______．A.Comparing the gyro azimuth of a celestial body with the computed azimuth of the bodyB.Comparing the gyro heading with the magnetic compass headingC.Determining from the chart the course made good between celestial fixesD.It cannot be determined accurately at sea due to drift of unknown currents
A system of reservoirs and connecting tubes in a gyro compass is called a ______．A.Spider elementB.Mercury ballisticC.GyrotronD.Rotor
A compass card without north-seeking capability that is used for relative bearings is a（n）______．A.Bearing circleB.PelorusC.Bearing barD.Alidade
Deviation is the angle between the ______.A.true meridian and the axis of the compass cardB.true meridian and the magnetic meridianC.magnetic meridian and the axis of the compass cardD.axis of the compass card and the degaussing meridian
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are ____.A.accurate only in the Polar regionsB.accurate electronic servomechanismsC.hand operatedD.accurate only if the vessel is underway
Indications of the master gyrocompass are sent to remote repeaters by the ______.A.follow-up systemB.transmitterC.phantom elementD.azimuth motor
我国目前主要受理的外国信用卡中总部在美国的有（ ）。A.维萨卡（Visa Card )B.万事达卡（Master Card )C.运通卡（American Express )D.百万卡（Million Card )E.发达卡（Federal Card )
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单选题Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.Aaccurate only in the Polar regionsBaccurate electronic servomechanismsChand operatedDaccurate only if the vessel is underway
单选题A compass card without north-seeking capability that is used for relative bearings is a(n)（）.Abearing circleBpelorusCbearing barDalidade
单选题Indications of the master gyrocompass are sent to remote repeaters by the（）.Afollow-up systemBtransmitterCphantom elementDazimuth motor
单选题Deviation is the angle between the（）.Atrue meridian and the axis of the compass cardBtrue meridian and the magnetic meridianCmagnetic meridian and the axis of the compass cardDaxis of the compass card and the degaussing meridian
单选题As a vessel changes course to starboard，the compass card in a magnetic compass（）.Aremains aligned with compass northBalso turns to starboardCfirst turns to starboard then counterclockwise to portDturns counterclockwise to port
单选题The lubber’s line of a magnetic compass（）.Aalways shows true north directionBindicates the vessel's headingCis always parallel to the vessel's transomDis located on the compass card
单选题The most accurate method of determining gyrocompass error while underway is by（）.AComparing the gyro azimuth of a celestial body with the computed azimuth of the bodyBComparing the gyro heading with the magnetic compass headingCDetermining from the chart the course made good between celestial fixesDIt cannot be determined accurately at sea due to drift of unknown currents
单选题If the gyrocompass error is east，what describes the error and the correction to be made to gyrocompass headings to obtain true headings?（）AThe readings are too low (small numerically) and the amount of the error must be added to the compass to obtain trueBThe readings are too low and the amount of the error must be subtracted from the compass to obtain trueCThe readings are too high (large numerically) and the amount of the error must be added to the compass to obtain trueDThe readings are too high and the amount of the error must be subtracted from the compass to obtain true
单选题At the master gyrocompass，the compass card is attached to the（）.Aspider elementBsensitive elementClink armDpickup transformer
单选题Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.Agreat convenienceBfinding true northCmagnetic characteristicsDsimplicity and reliability
多选题我国目前主要受理的外国信用卡中总部在美国的有( )。A维萨卡（Visa Card）B万事达卡（Master Card）C运通卡（American Expresa）D百万卡（Million Card）E发达卡（Federal Cqard）