Navigators use navigational aids, such as（）（罗经）.A、sextantB、binocularsC、compassD、loran
Navigators use navigational aids, such as（）（罗经）.
- A、sextant
- B、binoculars
- C、compass
- D、loran
相关考题：
No navigational aids are shown and chart is not kept corrected for alterations in depths inside the pecked lines．For more detailed information，the larger scale charts must be______．A.boughtB.analyzedC.consultedD.Published
The correction to be applied to a LoranC reading when matching a sky wave to a ground wave may be found______．A.on loran charts covering areas where sky waves are usedB.in the Radio Aids to Navigation PUB 117C.in the LoranC Correction TablesD.Sky waves cannot be matched to ground waves in LoranC to produce a usable reading
No navigational aids are shown and the chart is not kept corrected for alterations in depths inside the pecked lines． For more detailed information，the larger scale charts must be ______.A.referred toB.appreciatedC.met withD.concerned
As operator of a 199 GT towing vessel sailing foreign，it shall be your duty to enter in the Official Logbook or other permanent record ______.A.all information contained on the barge's Certificate of InspectionB.the condition of all towing gear to be usedC.all navigational aids to be usedD.the barges load line and draft readings
The information on ______ is not likely found in The Mariners Handbook（NP100）．A.IALA Buoyage systemB.hydrography，topography，navigational aids and their servicesC.basic meteorology and navigation in ice and hazards and restrictions to navigationD.information on tides，currents and characteristics of the sea
The operation of which aids to navigation may be suspended during war or national emergency ________．A.Navigational satellitesB.LoranC.OmegaD.Any of the above
The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of ______．A.High frequency pulsesB.Combinations of high and low frequency pulsesC.The same frequency for all stations in a chainD.Varied long and short pulses
单选题The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of（）.AHigh frequency pulsesBCombinations of high and low frequency pulsesCThe same frequency for all stations in a chainDVaried long and short pulses
单选题No navigational aids are shown and chart is not kept（）for alterations in depths inside the pecked lines joining Hurst pt. to Warden pt.AaccurateBcorrectCcorrectedDaccuracy
单选题The information on（）is not likely found in The Mariners Handbook.AIALA Buoyage systemBhydrography，topography，navigational aids and their servicesCbasic meteorology and navigation in ice and hazards and restrictions to navigationDinformation on tides，currents and characteristics of the sea
单选题No navigational aids are shown and the chart is not kept corrected for alterations in depths inside the pecked lines. For more detailed information, the larger scale charts must be（）.Areferred toBappreciatedCmet withDconcerned
单选题There are many navigational aids（）.Ain chief engineer's roomBin chief officer's roomCon the bridgeDon deck
单选题Which of the following shall not the officers in charge of the navigational watch do?（）Acontinue to be responsible for the safe navigation of the shipBLeave the bridgeCKeep the watch on the bridgeDUse any available navigational aids necessary to ensure that the ship follows the planned course
单选题Sidereal time is used by navigators when（）.Aused with the equation of timeBused in the form of LHA AriesCcalculating the time of moonriseDdetermining local apparent time
单选题No navigational aids are shown and chart is not kept corrected for alterations in depths inside the pecked lines. For more detailed information, the larger scale charts must be（）.AboughtBanalyzedCconsultedDpublished
单选题The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.Aon loran charts covering areas where sky waves are usedBin the Radio Aids to Navigation，PUB 117Cin the Loran-C Correction TablesDSky waves cannot be matched to ground waves in LORAN-C to produce a usable reading
单选题As operator of a 199 GT towing vessel sailing foreign，it shall be your duty to enter in the Official Logbook or other permanent record（）.Aall information contained on the barge's Certificate of InspectionBthe condition of all towing gear to be usedCall navigational aids to be usedDthe barges load line and draft readings