单选题The drift and set of tidal，river，and ocean currents refer to the（）.Aposition and area of the currentBspeed and direction toward which the current flowsCtype and characteristic of the current's flowDNone of the above
单选题
The drift and set of tidal，river，and ocean currents refer to the（）.
A
position and area of the current
B
speed and direction toward which the current flows
C
type and characteristic of the current's flow
D
None of the above
参考解析
解析：
暂无解析
相关考题：
Data relating to the direction and velocity of rotary tidal currents can be found in the ______.A.Mariner's GuideB.Tidal Current TablesC.Nautical AlmanacD.Tide Tables
Charted depth is the ______.A.vertical distance from the tidal datum to the ocean bottom plus the height of the tideB.vertical distance from the tidal datum to the ocean bottomC.average height of water over a specified period of timeD.average height of all low waters at a place
A tsunami is caused by a(n) ______.A.tidal waveB.storm surge caused by a hurricane or tropical stormC.earthquake on the ocean's floorD.tornado
If you are sailing from the East Coast of the United States to the Caribbean Sea，which publication would contain information on weather，currents，and storms?A.Sailing Charts of the Caribbean SeaB.Pilot Charts of the North AtlanticC.Light Lists，Atlantic and Gulf CoastD.Tidal Current Tables
______ offers a detailed description of tidal theory and its application to the analysis and prediction of tides and tidal streams．A.Ocean Passages for the World（NP136）B.Admiralty Tidal Stream AtlasesC.Admiralty Manual of Tides（NP120）D.Admiralty Tidal Handbooks（NP122 1-3）
______ outlines the Admiralty method of Harmonic tidal analysis for long and short observation periods plus a volume on datums for hydrographic surveys．A.Ocean Passages for the World（NP136）B.Admiralty Tidal Stream AtlasesC.Admiralty Manual of Tides（NP120）D.Admiralty Tidal Handbooks（NP122 1-3）
The surface currents of the South Atlantic，South Pacific and South Indian Ocean follow，in general，a regular pattern of ______．A.counter-clockwise circulationB.clockwise circulationC.trend from east to westD.trend from north to south
Fine freshwater pearls are found in the main stream and the tributaries of the Mississippi River.A:banksB:deltasC:branchesD:currents
Fine freshwater pearls are found in the main stream and the tributaries of the Mississippi River.A:banks B:deltasC:branches D:currents
Which area is the most commodities shipped in water transport?（）A、In international deep seaB、In lakesC、In river and canalsD、Coastal ocean
单选题River currents tend to（）.APick up speed where the channel widensBRun slower in the center of the channelCHug the inside of a bendDCause the greatest depth of water to be along the outside of a bend
单选题The two most effective generating forces of surface ocean currents are（）.Atemperature and salinity differences in the waterBwind and density differences in the waterCwater depth and underwater topographyDrotation of the Earth and continental interference
单选题A dead reckoning (DR) plot（）.Amust utilize magnatic coursesBmust take set and drift into accountCshould be replotted hourlyDshould be started each time the vessels position is fixed
单选题（）Which area is the most commodity shipped in water transport?AIn international deep seaBIn lakesCIn river and canalsDCoastal ocean
单选题In a river subject to tidal currents，the best time to dock a ship without the assistance of tugs is（）.Aat high waterBwhen there is a following currentCat slack waterDat flood
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Ocean currents are well defined and（）.Acreate large waves in the direction of the currentBchange direction 360°during a 24 hour periodCremain fairly constant in direction and velocity throughout the yearDare characterized by a light green color
单选题The Daily Memorandum contains information on（）.Aactive weather disturbances such as hurricanes or tropical stormsBthe latest navigational warningsCscheduled vessel arrivals and departures for a 24-hour periodDwater levels at river ports where run-off affects tidal heights
单选题The term “Father of Waters” is used to refer to _____ in the US.Athe Nile RiverBthe Amazon RiverCthe Hudson RiverDthe Mississippi River
单选题One of the causes of ocean currents is density differences in the water. This is true because （）.Ain an area of high density the water's surface is lower than in an area of low densityBsurface water flows from an area of high density to one of low densityCthe lesser the density gradient the freer the water is to moveDit is the density differences that cause the currents to stay in the troughs
单选题Data relating to the direction and velocity of rotary tidal currents can be found in the （）.AMariner's GuideBTidal Current TablesCNautical AlmanacDTide Tables
单选题Charted depth is the（）.Avertical distance from the tidal datum to the ocean bottom plus the height of the tideBvertical distance from the tidal datum to the ocean bottomCaverage height of water over a specified period of timeDaverage height of all low waters at a place
单选题At 2200 you take the following loran readings: 9960-W-15064.5; 9960-Y-43954.8. Which statement is TRUE? （）AThe current is floodingBYou are being set to the left of the trackCThe set is towards the southwestDThe drift is 0.6 knot.
单选题One of the factors which affects the circulation of ocean currents is（）.AhumidityBvarying densities of waterCvessel trafficDthe jet stream
单选题The winds with the greatest effect on the set，drift，and depth of the equatorial currents are the（）.AdoldrumsBhorse latitudesCtrade windsDprevailing westerlies
单选题In the Northern Hemisphere the major ocean currents tend to flow（）.Aclockwise around the North Atlantic and North Pacific OceansBclockwise or counterclockwise depending on whether it is warm or cold currentCcounterclockwise except in the Gulf StreamDcounterclockwise around the North Atlantic and North Pacific Oceans
单选题_____ a river on land, an ocean current does not flow in a straight line.AAlikeBLikeCLikewiseDLikely