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Before putting on the starting air, the reversing and control gear should be _____.
A.operated
B.stopped
C.checked
D.removed
参考答案
更多 “ Before putting on the starting air, the reversing and control gear should be _____.A.operatedB.stoppedC.checkedD.removed ” 相关考题
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Vessels having main engines arranged for air starting are to be provided with at least__.A.one automatic drain serving both containersB.two air starting containers of approximately equal sizeC.one control air container and one starting air containerD.one additional means of starting the main engine
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If the engine does start on air, but combustion does not immediately begin, the cause may be _____.A.failure of the fuel pumpsB.starting air pressure too lowC.stop valve in air line closedD.the turning gear still engaged
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______device is provided to prevent starting air from being admitted to the cylinder before the reversing is completed.A.An automaticB.A transmissionC.A self-regulatingD.An interlocking
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单选题Vessels having main engines arranged for air starting are to be provided with at least ()A
one automatic drain serving both containersB
two air starting containers of approximately equal sizeC
one control air container and one starting air containerD
one additional means of starting the main engine
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单选题The opening or closing of the cylinder starting valve is controlled by ().A
the starting air distributorB
the cut-off valve on the air mainC
the main starting valveD
the air bottle control valve
考题
单选题() device is provided to prevent starting air from being admitted to the cylinder before the reversing is completed.A
An automaticB
A transmissionC
A self-regulatingD
An interlocking
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单选题Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except ()A
open the indicator cocksB
supply some LO to cylinder liner wall with lubricatorC
put the fuel handle in the stop positionD
pump up the air bottle
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单选题Before starting the engine the air bottle should be ().A
pumped upB
loadedC
dischargedD
opened
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单选题Open the ()before starting an air compressor.A
unload valveB
cooling waterC
oil cupD
sump
考题
单选题Which of the following may lead to the engine NOT to start on air?()A
starting air pressure too highB
correct timing of starting air valvesC
three of the six starting valves stuckD
the turning gear disengaged
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单选题Open the ()of inter cooler before starting an air compressor.A
cylinder coverB
cooling waterC
oil cupD
drain valve
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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Before starting an engine by air, the engine must()A
be turned by a turning gear for at least one minuteB
be turned by a turning gear for at least two minutesC
be turned at least one complete turnD
be turned at least two complete turns
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单选题Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?()A
Electric power and starting airB
Lube oil standby pump and control airC
Hydraulic switch and engage jacking gearD
Motor drain and pneumatic control system power
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单选题Before starting an air compressor, It should be ().A
turnedB
oil level checkedC
filled with waterD
A and B
考题
单选题After the engine is warned, we should() the turning gear before starting up the engine.A
take inB
put inC
take outD
put up
考题
单选题Before starting the turning gear, () should be worked by hand to minimize corrosive action on the liners.A
the indicatorsB
the starting valvesC
the cylinder lubricatorsD
the turning gear
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单选题Before starting an air compressor, It should be ().A
unloadedB
primedC
filled with waterD
greased
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单选题A large two-stroke/cycle direct reversing diesel engine is to be reversedPrior to the admission of starting air you must ()A
line up the engine fore restarting with light diesel oilB
reposition the fuel injection camC
change the intake and exhaust valve cam positionsD
place the starting cam in the intermediate position
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单选题In heavy marine engine the practice is to drive the engine on()which has previously been stored in starting air reservoirs.A
electric motorB
hydraulic motorC
compressed airD
turning gear
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单选题Which is false about engine trials?()A
engine trails should be done after finishing the operation of turning the engine with the turning gear and starting the engine on air brieflyB
in the operation of engine trails, the main engine should be running in low-speedC
As to the ship equipment with twin main engine, engine trials should be done with one engine ahead and another engine astern at the same timeD
the order “engine trials” should be given by the bridge
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单选题Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except()A
open the indicator cocksB
supply some CYL Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)C
put the fuel handle in the “stop” positionD
pump up the air bottle
考题
单选题Before pumping up the crankcase oil,() should be worked by hand to minimize corrosive action on the liners.A
the indicatorsB
the starting valvesC
the cylinder lubricatorsD
the turning gear
考题
单选题When an engine is starting and has got a sufficiently high speed, say about 20 rpm,()A
the starting air supply is cut off and fuel is injected into the cylindersB
the fuel feeding is cut off and the turning gear is put inC
the starting air supply is cut off and turning gear is taken outD
the electric blower is shut down and fuel is injected into the cylinders
考题
单选题The starting air bottle should be pumped up to maximum pressure by the () before start of the engine.A
air compressorB
refrigeration compressorC
vacuum pumpD
purifier
考题
单选题Which of the listed failures, occurring in an automated diesel generator system, should cause an audible alarm at the engine room control station?()A
Low cooling water outlet temperatureB
High lube oil pressureC
Low lube oil temperatureD
Low starting air pressure
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