單項(xiàng)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(xiàng)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

2.單項(xiàng)選擇題For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?()

A.Plotting radio bearings over a long distance
B.Determining latitude and longitude of a fix
C.Measuring rhumb line distances
D.Measuring rhumb line directions

3.單項(xiàng)選擇題On the approach of a warm front the barometric pressure usually().

A.falls
B.rises
C.is steady
D.is unreliable

4.單項(xiàng)選擇題Weekly NMs are available without subscription from appointed().

A.Admiralty Distributors
B.Admiralty Publication House
C.United Kingdom Hydrographic Office
D.UK Maritime & Coastguard Agency

5.單項(xiàng)選擇題LOW ABOUT 300 MILES SOUTHWEST OF LISBON 1004 MOVING SLWLY SOUTHEAST COMMA FILLING 1006 BY MIDNIGHT.This phrase is likely to be under the heading of().

A.GALE WARNING
B.24 HOURS FORECAST
C.GENERAL SITUATION
D.TROPICAL CYCLONE WARNING

6.單項(xiàng)選擇題The fog most commonly encountered at sea is called().

A.conduction fog
B.radiation fog
C.frontal fog
D.advection fog

7.單項(xiàng)選擇題Periodic publications notifying changes in,or additions to,previously published navigational data are().

A.Supplements
B.Annual Summary
C.Navigational Warnings
D.Notices to Mariners

8.單項(xiàng)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

9.單項(xiàng)選擇題Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer().

A.To keep visitors away from the barge
B.To prohibit smoking
C.To prohibit open lights
D.All of the above