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It ______ for an emergency generator to require paralleling.
A.is not usual
B.is usual
C.is necessary
D.is not impossible
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更多 “ It ______ for an emergency generator to require paralleling.A.is not usualB.is usualC.is necessaryD.is not impossible ” 相关考题
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For most diesel propulsion and generator engines, the over-speed trip device will stop the engine byA.moving the governor control to stopB.shutting off the lubricating oil supplyC.tripping the governor emergency stop leverD.shutting off the fuel supply
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The emergency generator or emergency battery is connected to _______on most large ships.A.distribution boardsB.section boardsC.emergency switch boardsD.main switch boards
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All of the followings are the detainable deficiencies under the SOLAS Convention except ______.A.failure of proper operation of propulsion and other essential machinery, as well as electrical installationB.failure of the proper operation of the main and auxiliary steering gearC.failure of engineering watch arrangements to conform to the requirements specified for the ship by AdministrationD.failure of the proper operation of emergency generator, lighting, batteries and switches
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Fire protection regulations for towing vessels require that drills be conducted on board the vessel as if there were an actual emergency．Drills include all of the following，EXCEPT ______．A.testing all alarm and detection systemsB.breaking out and using the vessel's emergency equipmentC.participation by selected crew membersD.one person putting on protective clothing，if the vessel is so equipped
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单选题Each emergency generator on a mobile offshore drilling unit，when tested，must be run under a full load for at least（）.A
one hourB
two hoursC
ten hoursD
four hours
考题
单选题For most diesel propulsion and generator engines, the over-speed trip device will stop the engine by （）A
moving the governor control to stopB
shutting off the lubricating oil supplyC
tripping the governor emergency stop leverD
shutting off the fuel supply
考题
单选题Prior to getting underway，the Master or person in charge of a vessel must（）.A
conduct a fire drillB
conduct a boat drillC
log the fore and aft draft marksD
test the emergency generator
考题
单选题Fire protection regulations for towing vessels require that drills be conducted on board the vessel as if there were an actual emergency. Drills include all of the following，EXCEPT（）.A
testing all alarm and detection systemsB
breaking out and using the vessel's emergency equipmentC
participation by selected crew membersD
one person putting on protective clothing，if the vessel is so equipped
考题
单选题Which of the following is NOT true according to the passage?（）A
Both the main steering gear and the auxiliary steering gear should be operatedB
The alarms fitted to the remote control system should be operatedC
The emergency generator compartment should be checkedD
The communication system between the bridge and the steering gear compartment should be operated
考题
单选题A diesel driven emergency generator is prevented from being paralleled with the ships service generators by （）A
an electrical interlock systemB
an automatic paralleling trip switchC
the synchronizing oscilloscopeD
the reverse current relay
考题
单选题An emergency diesel generator should automatically shut down in the event of （）A
dangerous over-speedingB
a loss of lube oil pressureC
activation of the fixed CO2 system for the emergency generator spaceD
all of the above
考题
单选题After resolving the trouble of main power supply, main switch of emergency generator should（）, if power supply is refreshed.A
be switched off by the duty officerB
be switched on by the duty officerC
be switched off automaticallyD
be switched on automatically
考题
单选题An emergency generator, driven by an internal combustion engine, shall be tested under load for a minimum of 2 hours at least once every （）A
weekB
2 weeksC
monthD
3 months
考题
单选题Emergency generator is installed on board mainly to （）A
connect to the busbar when the load increasingB
supply power specially to charging panelC
be put into operation during the ship arriving at or leaving portD
ensure the power supply to critical equipment after the main switchboard out of power
考题
单选题（）of the following need not be entered in the official logbook?A
The testing of the internal combustion engine driven emergency generator at least once each month the vessel is navigatedB
The testing of storage betteries for emergency lighting and systems once each 6 months the vessels is navigatedC
The actual draft when the vessel arrives in salt water after department a portD
The testing of the line-throwing appliance once every 3 months
考题
单选题Which of the listed sections of an emergency switchboard is used to supply power for alarm signals under emergency conditions?（）A
The generator and bus transfer sectionB
The 450 volt, 60 cycle, 3 phase busC
The 120 volt, 3 phase, 60 cycle busD
The 24 volt DC bus
考题
单选题The booster pump, which supplies diesel oil to（） , should have a possibility of being powered by compressed air or by emergency power.A
the main enginesB
the auxiliary enginesC
the emergency generator engineD
the auxiliary engines and the main engine(s)
考题
单选题All of the followings are the detainable deficiencies under the SOLAS Convention expert（）.A
Failure of proper operation of propulsion and other essential machinery, as well as electrical installationB
Failure of the proper operation of the main and auxiliary steering gearC
Failure of engineering watch arrangements to confirm to the requirements specified for the ship by AdministrationD
Failure of the proper operation of emergency generator, lighting, batteries and switches
考题
单选题Standby or emergency diesel generator day tanks should always be kept full to reduce the possibility of（）A
sediment contaminationB
fuel filter cloggingC
moisture formationD
inadequate transfer pump suction head
考题
单选题（）is not a part of the main switch board.A
Control panel of main generatorB
Control panel of emergency generatorC
Paralleling panelD
Load panel of main generator
考题
单选题The emergency generator or emergency battery is connected to（） on most large ships.A
distribution boardsB
section boardsC
emergency switch boardsD
main switch boards
考题
单选题During the watch keeping at sea, at appropriate intervals inspection should be made of （）, auxiliary machinery and steering gear spaces by the duty engineer.A
the main propulsion plantB
lifesaving jacketsC
lifeboat engineD
state of emergency generator
考题
单选题On a vessel making a voyage more than 48 hours long，regulations require that（）.A
a lifeboat drill be held within 12 hours prior to departureB
fire pumps be tested by starting within 12 hours prior to departureC
the emergency generator and lighting system be tested by starting and operating within 12 hours prior to departureD
the entire steering gear be tested within 12 hours prior to departure
考题
单选题It （） for an emergency generator to require paralleling.A
is usualB
is not usualC
is necessaryD
is not impossible
考题
单选题On a ship，each emergency generator must be tested at least once each（）.A
weekB
monthC
three monthsD
six months
考题
单选题Coast Guard regulations require a shipboard Oil Pollution Emergency Plan to be reviewed（）.A
annuallyB
once every two yearsC
once every four yearsD
once every five years
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