單項選擇題To （） Admiralty Charts 438，latitudes taken from this chart should be increased by about 5 seconds．

A.convert to
B.come to
C.look at
D.agree with


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1.單項選擇題On a nautical chart，the inner ring of a compass rose indicates（）.

A.true directions
B.compass error
C.deviation
D.magnetic directions

2.單項選擇題Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．

A.Mercator charts／Loran charts
B.Admiralty charts／Routeing charts
C.large scale charts／small scale charts
D.small scale charts／large scale charts

3.單項選擇題In revised editions of Admiralty charts the（）are corrected first．

A.smaller scales
B.larger scales
C.smaller scales and larger scales
D.moderate scales

5.單項選擇題The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.

A.fish trap area
B.pipeline
C.demarcation line
D.cable area

6.單項選擇題What is the most important source of information to be used in correcting charts and keeping them up to date（）.

A.Fleet Guides
B.Notice to Mariners
C.Sailing Directions
D.Pilot Charts

7.單項選擇題Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.

A.Let the anchor fall free from the hawsepipe，but apply the brake at intervals to check the rate of fall
B.Back the anchor slowly out of the hawsepipe a few feet，and then let it fall in the normal fashion
C.Let the anchor fall off the brake right from the hawsepipe，but keep a slight strain on the brake
D.Under power，back the anchor out until it is near，but clear，of the bottom before letting it fall

8.單項選擇題The range of a light on Admiralty Charts is normally the（）.

A.nominal range
B.luminous range
C.geographical range
D.visible range

9.單項選擇題Steam smoke will occur when（）.

A.extremely cold air from shore passes over warmer water
B.warm dry air from shore passes over cooler water
C.cold ocean water evaporates into warm air
D.cool rain passes through a warm air mass

10.單項選擇題The height of a tide can be increased by（）.

A.A storm surge
B.A high pressure area
C.The jet stream
D.A cold front