网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
控制面板显示EnvTem、GeaOilLev表示：（）
- A、Gear oil lev switch、Environ temperature
- B、Gear oil level、Environment temperature
- C、Gear oil level switch、Environment temperature
- D、Gear oil level switch、Environment temp
参考答案
更多 “控制面板显示EnvTem、GeaOilLev表示：（）A、Gear oil lev switch、Environ temperatureB、Gear oil level、Environment temperatureC、Gear oil level switch、Environment temperatureD、Gear oil level switch、Environment temp” 相关考题
考题
Can you measure oil level? Which method is right, to measure ullage height or to measure oil depth?
考题
A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles ofA.waterB.babbittC.iron or steelD.acids
考题
Positive displacement, helical gear pumps are well suited for pumping oil becauseA.stuffing boxes eliminate the leakage problems usually associated with other gear pumpsB.it is not necessary to closely maintain design clearances with this pumpC.they are essentially self-priming and produce a high suction liftD.these pumps are designed with extreme tooth angles
考题
One of the most common causes of reduction gear failure is gear wear caused by scoring as a result ofA.surface fatigue of the gearsB.an inadequate lube oil filmC.plastic flow of the gearsD.fretting corrosion from water
考题
Which of the following statements is correct regarding an oil with a high viscosity index?A.A large change of viscosity occurs with a minor change in temperatureB.No change in viscosity occurs with any change in temperatureC.Very little change in viscosity occurs with a significant change in temperatureD.The viscosity of the oil increases with an increase in temperature
考题
If the sump ______were to rise this would indicate water leakage into the oil and an investigation into the cause must be made.A.temperatureB.viscosityC.leverD.level
考题
When an auxiliary boiler is panting and emitting(发出) black smoke, you should______.A.increase the fuel oil temperatureB.decrease the fuel oil temperatureC.decrease the fuel oil supply pressureD.increase the air supply
考题
When the steering gear is in operation, you should ______.A.check hydraulic oil levels every hourB.check the rams for overheatingC.check for excessive oil leakage from ramsD.drain water from tele-motor cylinders each watch
考题
单选题When the desired rudder angle is attained by a typical double mm electro-hydraulic steering gear,the（）.A
ram relief valves bypass oil to stop rudder movementB
six-way valve shifts to the neutral flow positionC
steering pump electric motor is de - energized by the transfer switchD
follow-up gear takes the hydraulic pump off stroke
考题
单选题Valve gear knocks are more easily located while the engine （）.A
is runningB
stopsC
is repairedD
lacks of oil
考题
单选题When sailing in cold zones, the（） should be heated.A
the steering gear roomB
the fire fighting pipe lineC
the fuel oil tankD
the bath room
考题
单选题An oil water monitor is required in order to measure （）.A
the oil content in waterB
the water content in fuel oilC
the water level in bilge wellD
the oil level in bilge well
考题
单选题When the steering wheel is turned, oil is directed to the steering gear rams by（）A
modulating the oil flow with the six-way valveB
moving the automatic pressure differential valveC
moving the receiving telemotor which regulates the tow-way valveD
varying the eccentricity of a floating ting or angle of a tilting box
考题
单选题Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.A
ChainB
Wire ropeC
WebbingD
All of the above
考题
单选题Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by （）.A
regulating the oil flow with the six-way valveB
moving the automatic differential valveC
moving the receiving tele-motor which regulates the two-way valveD
varying the angle of a tilting box or eccentricity of a floating ring
考题
单选题The switchboards for a-csystems differ from the d-cswitch gear in that the open type panels are generally（） and the dead-front switch gear is the common rule.A
permissiblyB
permissibleC
no permissibleD
not permissible
考题
单选题（） for the camshaft gear train is taken from a spur gear which for a six cylinder engine is at the coupling end.A
The driven gearB
The driveC
The greaseD
The lubricating oil
考题
单选题While loading bunkers, you notice oil on the water near the vesselWhat should you do first?（）A
Stop loadingB
Notify the harbour administrationC
Determine if the vessel is the source of the pollutionD
Start the main engine and put them in gear to disperse the spill
考题
单选题When the steering gear is in operation, you should （）.A
check hydraulic oil levels every hourB
check the rams for overheatingC
check for excessive oil leakage from ramsD
drain water from telemotor cylinders each watch
考题
单选题Some medium and high-speed diesel engines require reduction gear units to provide a useful propeller speedIn most reduction gears, the bull gear（）A
must churn the oil in the sumpB
is connected to the propeller shaftC
is driven at the highest RPMD
compensates for alignment variations between the engine and pinion gear
考题
单选题The oil in a cargo winch gear box should be sampled periodically to （）.A
prevent the gear box from leakingB
prevent the oil from becoming inflammableC
make sure it has not become contaminatedD
make sure the motor bearings are lubricated
考题
单选题A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles of（）.A
waterB
babbittC
iron or steelD
acids
考题
单选题When the ships is going to enter into the harbor,（）.A
change from diesel oil to heavy fuel oil for mail engineB
pump out bilge waterC
change sea chest form lower level one to high level oneD
test emergency generator
考题
单选题Proper operation of the main engine reduction gear set requires the operation to monitor （）A
the sump oil levelB
oil flow sight glassesC
bearing temperaturesD
all of the above
考题
单选题To guarantee that a reduction gear bearing is receiving proper oil supply, you should check the （）A
lube oil temperature at the cooler outletB
lube oil strainer magnets bearingC
lube oil temperatureD
lube oil pressure to the bearing
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
热门标签
最新试卷
