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The Consol navigation system，used in Russian and Northern European waters，can be used（）.
A . for precise navigation in coastal waters
B . by measuring the phase difference of the dots and dashes
C . as an aid to ocean navigation
D . if the vessel is fitted with a special Consol receiver
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For the deepest water when rounding a bend in a river，you should navigate your vessel（）.
A . toward the inside of the bend
B . toward the outside of the bend
C . toward the center of the river just before the bend，then change course for the river's center after the bend
D . in the river's center
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If in any doubt as to the pilot’s actions or intentions，the officer in charge of the navigational watch shall（）.
A . notify the master immediately
B . take whatever action is necessary before the master arrives
C . take necessary actions at his/her discretion
D . seek clarification from the pilot
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Defense plans may cause the operation of electronic aids to navigation to be suspended with （）.
A . no notice
B . one day's notice
C . a week's notice
D . thirty (30) days notice
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In the navigational triangle，the angle at the elevated pole is the（）.
A . meridian angle
B . altitude
C . right ascension
D . azimuth angle
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When navigating in thick fog with the radar on，you should（）.
A . station the look-out in the wheelhouse to keep a continuous watch on the radar
B . secure the sounding of fog signals until a vessel closes within five miles
C . station a look-out as low down and far forward as possible
D . keep the radar on the shortest available range for early detection of approaching vessel
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When ship navigating in rough sea, the correct operation is （）
A . navigating with a low diesel engine speed
B . navigating with a stable diesel engine speed
C . increasing the efficiency of propeller
D . increasing fuel injectio
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Which statement concerning the navigation of a vessel in ice is FALSE?（）
A . Anchoring in the presence of ice is not recommended except in an emergency
B . Towing a vessel through an ice field is not recommended except in an emergency
C . The "Free and Proceed" system of escorting a beset vessel cuts down on the number of freeing operations
D . When anchoring in ice，it is advisable to increase the scope of the chain over what is normally used for non-icing conditio
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Jitter is causing problems with the VOIP application in the network. What causes network jitter？（）
A . Variable queue delays
B . Packet drops
C . Transmitting too many small packets
D . Compressio
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In particular,which is not included in the Navigation System?（）
A . ECDIS
B . RADAR
C . GPS
D . GMDSS
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According to the Robinson Graph, suddenly astern maneuvering of main engine during navigating will cause（）
A . rapid reduction of ship’s friction force
B . shaft system over mechanical load
C . sharp growth of the torque of diesel engine
D . propeller torque change along J=0 curve
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When ship navigating in rough sea, the first measure taken by the chief engineer to prevent the overload should be（）
A . cleaning fuel oil, lubricating oil and seawater filter
B . reducing fuel feeding of the main engine appropriately or reducing the pitch angle of propeller
C . using low sea chest
D . closing the skylight and the ventilation opening, which doesn’t affect the normal work of equipment
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Jitter is causing problems with the VOIP application in the Company network. What causes network jitter？（）
A . Variable queue delays
B . Packet drops
C . Transmitting too many small packets
D . Compressio
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In the navigation（） cause the shafting over load easily.
A . the stopping engine suddenly
B . the sailing astern and changing direction suddenly
C . the sailing from the shallow water area to the deep water area
D . the ship’s trim too much
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In navigation the abbreviation “DF” refers to（）.
A . Deep Flood
B . Direction Finder
C . Double Freeboard
D . Dangerous Fertilizer
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The officer in charge of the navigational watch shall not hand over the watch to the relieving officer if（）.
A、 there is reason to believe that the latter is not capable of carrying out the watch keeping duties effectively
B、 the ship is fitted with automatic steering
C、 there is daylight or darkness
D、 at no time shall the bridge be left unattended
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13. The officer in charge of the navigational watch shall not hand over the watch to the relieving officer if ____.
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After Ming Dynasty, the government adopted the closed door policy, at the same time, with the continuous development of shipbuilding and navigation technology, maritime traffic caused the Silk Road trade to decline.
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99. The officer in charge of the navigational watch shall continue to be responsible for the safe navigation of the ship despite the ______ of the master on the bridge.
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According to the navigation rules, all of the following are engaged in fishing except a vessel ______.
A.Setting nets
B.Trawling
C.Using a dredging net
D.Trolling
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In the navigation____ cause the shafting over load easily.
A.the stopping engine suddenly
B.the sailing astern and changing direction suddenly
C.the sailing from the shallow water area to the deep water area
D.the ship’s trim too much
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材料：Navigation in the canal
It is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the Canal，and Master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety．
Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area.Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation．
问题：PILOT HOUSE is referred to ______ in this passage．
A.the cabin in which the pilot stays
B.the space in which the rudder is located
C.the bridge of vessels
D.the cabin which is prepared for the pilot
SHIPPING is referred to ______ in this passage．A.he operations of transportation of goods by sea
B.the procedures of marine transportation business
C.the management of marine transportation business
D.the vessels and ships
The author implies that ______ ．A.even by making use of modern instrument it is difficult to maintain safety in this area
B.mariners should take it easy when navigating in this area
C.modern instrument should be used to control the safety of navigation in this area
D.it is dangerous when navigating in this area
The person on the bridge or in the pilot house shall be those ______ ．A.who are recommended
B.who are familiar with the navigation，management，operation and safety control
C.who are directly involved in the navigation，management，operation and safety control
D.who have nothing to do with the navigation，management，operation and safety control
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What caused the delay in construction？
A．The design of the building was unusual.
B．The architect delayed construction.
C．The construction crew caused the delay.
D．The weather was extremely cold.
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The Chief Officer is in charge of the standard____navigation watch duty（）
A．4-8
B．8-12
C．12-4
D．0-8
