航海英语大连自学题.doc

Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel?
A. Your speed will significantly increase
B. Your drift will significantly decrease
C. Your bow will sheer towards the other vessel

D. Your bow will sheer away from the other vessel

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

The four standard light colors used for lighted aids to navigation are red, green, white, and _______
A. Purple
B. Orange
C. Blue
D. Yellow

Ecdis must be able to perform all of the following except ____
A. Determine true bearing and distance between two geographical points
B. Determine magnetic compass deviation
C. Transform a local datum to the wgs84 datum
D. Convert graphical coordinates to display coordinates

If practical, when shall a manned vessel being towed sound her fog signal?
A. Immediately before the towing vessel sounds hers
B. Immediately after the towing vessel sounds hers
C. As close to the mid-cycle of the towing vessel’s signals as possible
D. At any times as long as the interval is correct

Which information does the outer ring of a compass rose on a nautical chart provide?
A. Variation
B. Magnetic directions
C. True directions
D. Annual rate of variation change

When steering a vessel, a good helmsman does not ___
A. Use as much rudder as possible to maintain course
B. Consider steering a vessel a highly responsible job
C. Use as little rudder as possible to maintain course
D. Advise his relief of the course being steered

Which statement is true concerning the light used to accompany whistle signals?
A. It is only used to supplement short blasts of the whistle
B. It is mandatory to use such a light
C. The light shall have the same characteristics as a masthead light
D. All of the above

The easiest way to anchor a vessel in a current is to ______．
A．Stem the current and make very slow headway when the anchor is dropped
B．Stem the current and be falling aft very slowly when the anchor is dropped
C．Stem the current and endeavor to make neither headway nor sternway when the anchor is dropped
D．Stop all headway through the water and keep the current astern when the anchor is dropped

The type of current which will have the greatest effect on the course made good for your vessel is ______．
A．one flowing in the same direction as your course steered
B．one flowing in the opposite direction as your course steered
C．one that flows at nearly right angles to your course steered
D．a rotary current in which the direction of current flow constantly changes

The velocity of the wind，its steady direction，and the amount of time it has blown determines a wind driven current's ______．
A．Temperature
B．Density
C．Deflection
D．Speed

Tides are superimposed on nontidal rising and falling water levels，caused by ______．
A．freshets
B．floods
C．river flows
D．seismic events

Which statement is TRUE concerning apogean tides ________．
A．They occur only at quadrature
B．They occur when the Moon is nearest the Earth
C．They cause diurnal tides to become mixed
D．They have a decreased range from normal

Which statement is TRUE concerning equatorial tides ________．
A．They occur when the Sun is at minimum declination north or south
B．They occur when the Moon is at maximum declination north or south
C．The difference in height between consecutive high or low tides is at a minimum
D．They are used as the basis for the vulgar establishment of the port

You are anchoring in a river where the current is from one direction only．The best way to lay out two anchors is to have them ______．
A．Directly in line with the bow
B．Side by side，with their lines on the port and starboard side
C．So that their lines form an angle
D．On top of one another

You are docking a vessel．Wind and current are most favorable when they are ______．
A．crossing your course in the same direction
B．crossing your course in opposite directions
C．parallel to the pier from ahead
D．setting you on the pier

A type of precipitation that occurs only in thunderstorms with strong convection currents that convey raindrops above and below the freezing level is known as ______．
A．Sleet
B．Hail
C．Freezing rain
D．Rime

If the center of low pressure is due west of you in the Northern Hemisphere，which wind direction should you expect ________．
A．South to west
B．South to east
C．West to north
D．North to east

The AMVER system requires ______．
A．Sailing plans to be sent before departure
B．More frequent reports in heavy weather
C．Arrival reports to be sent within 8 hours of arrival
D．A position report within 24 hours of departure

The apparent wind's speed can be zero，but only when two conditions are present．One condition is that the true wind ______．
A．Must be from dead ahead
B．Speed must be zero
C．Must be from dead astern
D．Must be on the beam

The dense black cumulonimbus clouds surrounding the eye of a hurricane are called ______．
A．Spiral rainbands
B．Cloud walls
C．Funnel clouds
D．Cyclonic spirals

Weather conditions in the middle latitudes generally move ______．
A．Eastward
B．Westward
C．Northward
D．Southward