While a ship with twin screw is making a turn, in order to prevent overload, the duty engineer should （）
A . reduce the fuel feeding of main engine of inner propeller
B . reduce the fuel feeding of main engine of outer propeller
C . firstly reduce the fuel of main engine of inner propeller, then reduce the fuel feeding of engine of outer propeller
D . reduce fuel feeding of two engines at the same time
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While deploying a new application module，the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences？（）
A . The plan baselines can be evolved over time to produce better performance.
B . The newly generated plans are directly placed into the SQL plan baseline without being verified.
C . The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.
D . The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.
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A circuit that has one wire in contact with the hull of the ship is a（）
A . series circuit
B . grounded circuit
C . short circuit
D . closed circuit
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A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE? （）
A . If one screw is stopped，the ship will turn toward the side of the stopped screw
B . The principal force which turns the ship is set up by the wake against the forward side of the rudder
C . Turning response by use of the rudder only is greater than on a single-screw vessel
D . With the rudder amidships，the ship will steer a fairly steady course
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For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.
A . portable ventilation system
B . flame safety lamp
C . self-contained breathing apparatus
D . gas mask
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On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.
A . one engine ahead and one engine astern，with full rudder
B . one engine ahead and one engine astern，with rudders amidships
C . both engines ahead，with full rudder
D . both engines astern，with full rudder
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A large oil fire on the deck of a ship can be fought most effectively with（）.
A . dry chemical
B . foam
C . high-velocity fog
D . water
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By using（）system a ship can send a distress message and know with certainty it will be received.
A . COSPAS-SARSAT
B . SATELLITE
C . terrestrial radio
D . INMARSAT
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If a ship has sternway，with accommodation block aft，she may settle with the wind（）.
A . on her beam
B . on her stern
C . on her bow
D . broad on the quarter
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A branch line valve of a fire extinguishing system on a ship must be marked with the（）.
A . maximum pressure allowed at that branch
B . name of the space or spaces which it serves
C . date of the last maintenance inspection
D . pressure needed to maintain an effective stream at that point
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When turning a ship in restricted space with a strong wind，it is normally best to（）.
A . Go ahead on both engines with the rudder hard to one side，if on a twin-screw vessel
B . Back down with the rudder hard to one side，if on a single-screw vessel
C . Take advantage of the tendency to back to port，if on a twin-screw vessel
D . Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
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A vessel fitted with twin screws is easier in（）than a vessel with single screw.
A . turning maneuver
B . course setting
C . position fixing
D . regulating speed
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A ship under construction or major repair will acquire permanent magnetism due to（）while sitting stationary in the earth’s magnetic field.
A . hammering and jarring
B . vibration and pounding
C . varying magnetic fields
D . stable or permanent magnetism of the shi
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A seaman assaults the Second Mate and injures him with a beer bottle while the ship is at sea. The incident is logged in the Official Logbook. In subsequent suspension and revocation proceedings against the seaman,according to the regulations,（）.
A . the Second Mate and the Master must testify as to the facts of the assault
B . the case will be dismissed if the logbook entries are improperly made
C . the logbook entry is prima facie evidence of the facts if it complies with the law
D . the logbook is inadmissible if the logbook entries do not conform to the law
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A ship must report a collision with an aid to navigation maintained by the Coast Guard to which office?（）
A . Nearest Oceanographic office
B . The Marine Safety Center at Coast Guard Headquarters
C . National Ocean Service
D . Nearest Officer in Charge，Marine Inspectio
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A twin screw vessel，making headway with both engines turning ahead，will turn more readily to starboard if you（）.
A . reverse port engine，apply right rudder
B . reverse port engine，rudder amidships
C . reverse starboard engine，apply right rudder
D . reverse starboard engine，rudder amidshi
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A floating ship with an initial negative metacentric height（）.
A . will capsize
B . will incline further
C . may lie at an angle of loll
D . may be initially level
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Each hand portable fire extinguisher on a ship must be marked with（）.
A . the name of the unit on which it is located
B . the date that it was installed on the unit
C . the names of the individuals qualified to use it
D . an identification number different from other extinguishers on the unit
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The angle of loll is a stability term which applies to a floating ship with（）.
A . off-center loading
B . stiff characteristics
C . excessive pitch or roll
D . negative initial stability
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For a ship with longitudinal inclination，an increase in GML causes（）.
A . list to stabilize at an angle of loll
B . trim to stabilize at an angle of loll
C . trim to increase
D . trim to decrease
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While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?（）
A . The plan baselines can be evolved over time to produce better performance.
B . The newly generated plans are directly placed into the SQL plan baseline without being verified.
C . The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.
D . The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.
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While（）,they met with a storm weather.
A . at sea
B . the ship was at sea
C . she was at sea
D . they w re at sea
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（）, where minor repairs are carried out with a ship service, often during a stay in portThis may be remote from a ship repair site.
A . voyage repairs
B . routine docking
C . damage repairs
D . conversio
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For instance, a product, if sold by piece, with free shipping and at a reasonable price, sells well, but sells badly, if sold by piece, with free shipping and at a higher profit rate. (英译中)
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The free surface effects of a partially-full tank in a floating ship increase with the （).
The free surface effects of a partially-full tank in a floating ship increase with the ().
A.surface area of the fluid in the tank
B.displacement volume of the ship
C.draft of the ship
D.height of the tank above the keel
