Tide in this water area is________in direction ENE.A.gettingB.settingC.beingD.having
Tide in this water area is________in direction ENE.
A.getting
B.setting
C.being
D.having
相关考题：
The distance between the surface of the water and the tidal datum is the______．A.height of tideB.charted depthC.actual water depthD.range of tide
In the navigation,_______cause the shafting over load most easilyA.stopping the main engine suddenlyB.changing the main engine running direction suddenlyC.the sailing from the shallow water area to the deep water areaD.the ship's trim too much
You will find information about the duration of slack water in the ______.A.Tidal Current TablesB.Tide TablesC.American Practical NavigatorD.Sailing Directions
The height of tide is the ______.A.depth of water at a specific time due to tidal effectB.difference between the depth of the water and the area's tidal datumC.difference between the depth of the water and the high water tidal levelD.difference between the depth of the water at high tide and the depth of the water at low tide
The meaning of ebb tide is that ______.A.tide is falling from high water to low waterB.tide is rising from low water to high waterC.tide is reaching to a highest levelD.tide is reaching to a lowest level
The period at high or low tide during which there is no change in the height of the water is called the ______.A.range of the tideB.plane of the tideC.stand of the tideD.reversing of the tide
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
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is ______．A.the actual depthB.added to or subtracted from the charted depthC.multiplied by the charted depthD.divided by the charted depth
单选题In some river mouths and estuaries the incoming high-tide wave crest overtakes the preceding low-tide trough. This results in a wall of water proceeding upstream，and is called a（）.AseicheBboreCboundary waveDsurge
单选题（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.ARecommended Direction of Traffic FlowBRoundaboutCSeparation Zone or LineDPrecautionary Area
单选题The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.AAdmiralty Maritime CommunicationsBAdmiralty Tide TablesCa comprehensive guide for the yachtsmanDALRS
单选题In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n)（）.Aapogean tideBdouble high waterCperigean tideDbore
单选题What describes a flood current（）.AHorizontal movement of the water toward the land after high tideBHorizontal movement of the water toward the land after low tideCHorizontal movement of the water away from the land following high tideDHorizontal movement of the water away from the land following low tide
单选题In the navigation, cause the shafting over load most easily（）Astopping the main engine suddenlyBchanging the main engine running direction suddenlyCthe sailing from the shallow water area to the deep water areaDthe ship’s trim too much
单选题The height of tide is the （）.Adepth of water at a specific time due to tidal effectBdifference between the depth of the water and the area's tidal datumCdifference between the depth of the water and the high water tidal levelDdifference between the depth of the water at high tide and the depth of the water at low tide
单选题Stand of the tide is that time when（）.Athe vertical rise or fall of the tide has stoppedBslack water occursCtidal current is at a maximumDthe actual depth of the water equals the charted depth
单选题To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.Athe actual depthBadded to or subtracted from the charted depthCmultiplied by the charted depthDdivided by the charted depth
单选题A tide is called diurnal when（）.Aonly one high and one low water occur during a lunar dayBthe high tide is higher and the low tide is lower than usualCthe high tide and low tide are exactly six hours apartDtwo high tides occur during a lunar day
单选题Current changing in direction and rising and falling in value is （）.AACBDCCgeneratorDfresh water generator
单选题The tide（）.It’s 2 hours before low water，and（）your present position you will be aground at low water.Afalls／inBhas been falling／onChas fallen／atDis falling／in
单选题The meaning of ebb tide is that （）.Atide is falling from high water to low waterBtide is rising from low water to high waterCtide is reaching to a highest levelDtide is reaching to a lowest level
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The period at high or low tide during which there is no change in the height of the water is called the （）.Arange of the tideBplane of the tideCstand of the tideDreversing of the tide