更多"[单选题] Distance along a track line i"的相关试题:
[单选题] Distance along a track line is measured on a Mercator chart by using the ______．
A.latitude scale near the middle of the track line
B.longitude scale near the middle of the track line
C.latitude scale at the midlatitude of the chart
D.latitude or longitude scale at the middle of the scale
[单选题] Why does distance always have to be measured from the nearest scale on a Mercator chart?
A. Because it is the most efficient way
B. Because it varies with the change of latitude
C. Because it varies with the change of longitude
D. Because it is the most straight line
[单选题] ______ is the distance east or west measured in degrees, minutes and seconds of arc on the equator between the prime meridian and the meridian passing through the place.
A. Longitude
B. Latitude
C. Height
D. Bearing
[单选题]The crankshaft deflection can not be measured with current meter,butonly.
A.altitude gauge
B.calipers
C.bridge gauge
D.ohm meter
[单选题] Freeboard is measured from the upper edge of the ______.
A. bulkwark
B. deck line
C. gunwale bar
D. sheer strake
[单选题] At sea, speed is measured in knots. 1 knot equals ____________________.
A. 1 nautical mile per hour
B. 1 kilometer per hour
C. 1 nautical mile per minute
D 1 kilometer per minute
[单选题] ______ is measured at midship section and taken from inside the ship’s shell on one side to inside the ship’s side shell on the other side.
A. Length overall
B. Molded breadth
C. Amidships
D. Extreme breadth
[单选题] ______ is measured from the baseline to the summer load line at the midship section.
A. Extreme draft
B. Molded draft
C. Extreme depth
D. Molded depth
[单选题] The longitudinal distance between the original position where the vessel put the rudder one side and the position where the vessel turned 90 degrees from her original course defines ______.
A. Kick
B. Reach
C. Transfer
D. Advance
[单选题] Geographic range is the maximum distance at which a light may be seen under ______.
A. existing visibility conditions, limited only by the curvature of the earth
B. perfect visibility conditions, limited only by the curvature of the earth
C. existing visibility conditions, limited only by the intensity of the light
D. perfect visibility conditions, limited only by interference from background lighting
[单选题] The shortest distance between any two points on esrth defines a _____.
A. small circle
B. great circle
C. rhumb line
D Hyperbola (双曲线)
[单选题] The distance between the surface of the water and the tidal datum is the ______.
A. range of tide
B. height of tide
C. charted depth
D. actual water depth
[单选题] _____________ measured at the midship section and taken from outside of the ship’s side shell plating on one side to the outside of ship’s side shell plating on the other side.
A. Length Overall
B. After perpendicular
C. Amidships
D. Extreme breadth
[单选题] ______________ length of the ship measured from extreme points of the ship forward and aft.
A. Length Overall
B. After perpendicular
C. Amidships
D. Extreme breadth
[单选题] The shoreline along Rocky Point should give a good radar return because ______．
A.The shore is bluff and rocky
B.Of offshore exposed rocks
C.Submerged reefs cause prominent breakers
D.The lookout tower is marked with radar reflectors
[单选题] Recurvature of a hurricane's track usually results in the forward speed ______．
A.Increasing
B.Decreasing
C.Remaining the same
D.Varying during the day
[单选题] Which mooring line prevents sideways motion of a vessel
Moored to a pier ________．
A.A line led forward from the bow head line
B.A line led aft from the bow stern line
C.A line led in the same direction as the keel
D.A line led at a right angle to the keel=breast line
