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）
单选题
The oil in a cargo winch gear box should be sampled periodically to （）.
A
prevent the gear box from leaking
B
prevent the oil from becoming inflammable
C
make sure it has not become contaminated
D
make sure the motor bearings are lubricated
参考答案
参考解析
解析：
暂无解析
更多 “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” 相关考题
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
When accepting vehicles for shipment，the Master should ensure that ______.A.all decks intended for the stowage of vehicles are，in so far as is practicable，free from oil and greaseB.the ship has on board an adequate supply of cargo securing gear，which is maintained in sound working conditionC.vehicles are in apparent good order and condition suitable for sea transport，particularly with regards to securingD.All of the above
考题
You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
考题
If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur ________．A.A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the loadB.An electromagnetic brake will hold the load where it is suspendedC.The load will fall rapidly to the deck unless the foot brake is engagedD.The load will slowly lower to the deck under control of the drag of the winch motor
考题
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
考题
单选题Where are the test certificates，for wire rope used as cargo runners，and loose gear certificates usually maintained? （）A
With the Cargo Gear Register on the shipB
In the Official LogC
At the Coast Guard Marine Safety Office with the vessel's inspection recordsD
At the central records center of the agency testing the cargo gear
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You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? （）A
Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB
The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC
The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD
Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
考题
单选题On your vessel，a wire rope for the cargo gear shows signs of excessive wear and must be replaced. In ordering a new wire for this 10-ton boom，what safety factor should you use?（）A
ThreeB
FiveC
SixD
Seven
考题
单选题If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.A
add fluid that is the same color as the fluid in the reservoirB
add turbine oil because it is always a good substituteC
add any oil that has the same viscosity as the hydraulic fluidD
check the winch manufacturers instruction book
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As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）A
Exhaust temperaturesB
Raw water pressureC
Lube oil pressureD
Air box pressure
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Oil product samples should be taken from the（）.A
dock riserB
ship's cargo tanksC
shore tank dischargeD
All of the above
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 occurring a fire in the scavenge air box, the following measures should be taken except for（）A
reducing speed to SLOW and asking bridge for permission to stopB
stopping the fuel oil supplyC
switching-on the auxiliary blowersD
putting the scavenge air box fire extinguishing equipment into function
考题
单选题Pinching of the cargo hose between the vessel and the dock should be prevented by（）.A
adjusting the hose supportsB
laying out an excess length of hose on deckC
tying off the topping lifts and runners to winch headsD
All of the above
考题
单选题When accepting vehicles for shipment，the Master should ensure that（）.A
all decks intended for the stowage of vehicles are，in so far as is practicable，free from oil and greaseB
the ship has on board an adequate supply of cargo securing gear，which is maintained in sound working conditionC
vehicles are in apparent good order and condition suitable for sea transport，particularly with regards to securingD
All of the above
热门标签
最新试卷
