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单选题
The purpose of engine stand-by is that （）
A
the main engine in the stand-by condition
B
auxiliary machinery in the stand-by condition
C
dynamical equipments in the stand-by condition and could be used immediately
D
A and B
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When stand－by before sailing, the duty engineer and officer should check clock, engine telegraph and rudder, and then write it in the0
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单选题The main purpose of changing main engine to electronic controlled is not to（）A
control fuel injection time more preciselyB
control fuel injection rate more preciselyC
meet the environmental requirementsD
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考题
单选题If a firefighting situation calls for low-velocity fog you would（）.A
order the engine room to reduce pressure on the fire pumpB
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单选题The main purpose of starting the diesel engine on air briefly is（）A
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A and B
考题
单选题The main purpose of warming the parts of the main engine is （）A
to reduce heat stressB
to reduce low temperature corrosionC
to improve firing and starting performanceD
fuel saving
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单选题The purpose of the compensating adjustment used in a diesel engine hydraulic governor is to （）A
compensate for low oil levelB
increase governor promptnessC
prevent governor huntingD
limit engine load
考题
单选题The purpose of treating the cooling water of the diesel engine is to（） Ⅰ. resist the scale formation in the cooling chamber Ⅱ.lubricate the engine part Ⅲ.increase thermal capacity Ⅳ.resist corrosionA
Ⅰ+ⅡB
Ⅱ+ⅢC
Ⅲ+ⅣD
Ⅰ+Ⅳ
考题
单选题When the ship in the condition of stand-by and engine trials, usually put the engine telegraph in the （） position.A
stand byB
slow aheadC
slow asternD
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考题
单选题When stand-by engine instructions have been received, it’s necessary to make it sure that all valves in the various systems are（）A
operationalB
openC
closed securelyD
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考题
单选题What is the purpose of the intake/exhaust valves in a diesel engine? （）A
They regulate the combustion cycleB
They supply cooling waterC
They synchronize the ignition sparkD
They supply and regulate the lubricant flow
考题
单选题In the construction of a diesel engine, what is the purpose of end plates?（）A
To provide accessibility to the cylinder linersB
To add stability to the engine blockC
To add rigidity to the block and a surface for attaching other partsD
To make a surface for the base
考题
单选题Which of the following is false?（）A
preparation for stand-by should be organized by engine roomB
engine trails should be agreed with bridge, and then do itC
As to engine trials of the twin diesels and two propellers, the two diesels should use “slow ahead” at the same timeD
After engine trials, the handle of the engine telegraph should be put in the “stop” position
考题
单选题The purpose of the flywheel of a diesel engine is to （）.A
counterbalance the crank throws on the crankshaftB
keep the engine running smoothly between power strokeC
provide a belt-driving surface for the operation of auxiliary machineryD
prevent the engine from overspeeding
考题
单选题（）, the second one will start automatically.A
If the first stand-by set failedB
If the first stand-by set failsC
If the first stand-by set will failD
If the first stand-by set doesn’t fail
考题
单选题The general purpose of a heat exchanger is to （）.A
eliminate hot air from the condenserB
maintain steady pressure in a systemC
heat, or cool one fluid by means of another fluidD
reduce the engine room temperature in tropical climates
考题
单选题Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to （）A
test the starting systemB
remove condensation from the cylindersC
check the compressionD
check for proper lube oil pressure
考题
单选题Before "stand-by" is rung on the engine telegraph, it is usual to give the main engine （） ahead and astern.A
a brief trial with turning gearB
a brief trial on powerC
a long trial by steering gearD
one minutes trial with windlass
考题
单选题The purpose of compressing the air within the cylinder of a diesel engine is to （）A
produce the heat for ignitionB
decrease injection lagC
increase ignition delayD
aid in exhausting burnt gases
考题
单选题When stand-by before sailing, the duty engineer and officer should check clock, engine telegraph and rudder, and then write it in the （）A
engine room logbookB
voyage logbookC
engine room logbook or voyage logbookD
engine room logbook and voyage logbook
考题
单选题The purpose of engine stand-by is that （）A
the main engine in the stand-by conditionB
auxiliary machinery in the stand-by conditionC
dynamical equipments in the stand-by condition and could be used immediatelyD
A and B
考题
单选题In the process of the stand-by, warm-up the engine usually through give preheat of which parts of the diesel engine?（）A
cooling water of the cooling systemB
fuel of the FO systemC
LO of the LO systemD
cooling water of the cooling system and LO of the LO system
考题
单选题The expression STAND-BY ENGINE means:（）.A
to get the engine readyB
to respond to the engineC
to maneuver the engineD
to change the engine
考题
单选题The purpose of the flywheel is to （）A
provide energy to operate the engine between power impulsesB
neutralize the primary inertia force of the crankshaftC
reduce the shock of starting loads on the main bearingsD
prevent the engine from operating at critical speed
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