What is the major advantage of a rhumb line track?A.The vessel can steam on a constant heading (disregarding wind,current,etc)B.The rhumb line is the shortest distance between the arrival and departure pointsC.It is easily plotted on a gnomonic chart for comparison with a great circle courseD.It approximates a great circle on east-west courses in high latitudes

What is the major advantage of a rhumb line track?

A.The vessel can steam on a constant heading (disregarding wind,current,etc)

B.The rhumb line is the shortest distance between the arrival and departure points

C.It is easily plotted on a gnomonic chart for comparison with a great circle course

D.It approximates a great circle on east-west courses in high latitudes


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The best method of determining if a vessel is dragging anchor is to note ______.A.the amount of line paid outB.how much the vessel sheers while at anchorC.any change in the tautness of the anchor chainD.changes in bearings of fixed objects onshore

Deadweight is ________ .A.the tonnes of the displacement of a vessel in water of a specific gravity of 1.025 at summer load water lineB.the difference in tonnes between the displacement in salt water at summer load waterline and the light weight of the vesselC.the cargoes in tonnes that can be loaded in a vessel at summer load water lineD.the bale capacity in cubic meters of a vessel

The path that a vessel is expected to follow,represented on a chart by a line drawn from the point of departure to the point of arrival,is the ______.A.DR plotB.track lineC.headingD.estimated course

What is NOT an advantage of the rhumb line track over a great circle track?A.Easily plotted on a Mercator chartB.Negligible increase in distance on east-west courses near the equatorC.Does not require constant course changesD.Plots as a straight line on Lambert conformal charts

For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?A.Plotting radio bearings over a long distanceB.Determining latitude and longitude of a fixC.Measuring rhumb line distancesD.Measuring rhumb line directions

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The permanent magnetism of a vessel may change in strength due to ______.A.the nature of the cargo being carriedB.changes in headingC.major structural repairD.All of the above

A vessel is equipped with twin propellers,both turning outboard with the engines half ahead.If there is no wind or current and the rudders are amidships,what will happen?A.The bow will swing to starboardB.The bow will swing to portC.The vessel will steer a zigzag courseD.The vessel will steer a fairly straight course

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Which statement about the deck line is TRUE ________.A.The top of the deck line is marked at the highest point of the freeboard deck,including camber,at the midships pointB.A vessel with wooden planks on a steel deck will have the deck line marked at the intersection of the upper line of the wood sheathing with the side shellC.The deck edge is marked at the intersection of the freeboard deck with the side shell,at the lowest point of sheer,with the vessel at even trimD.On a vessel with a rounded stringer-sheer plate,the deck line is marked where the stringer plate turns down from the plane of the deck line

In which voyage,between two points,is the rhumb line distance NOT approximately the same as the great circle distance?_____.A.The two points are in low latitudes in the same hemisphereB.The two points are in high latitudes in the same hemisphereC.The two points are near the equator,but in different hemispheresD.One point is near the equator,one point is in a high latitude,and both are near the 180th meridian

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