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Gear box
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更多 “Gear box” 相关考题
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The box of bricks hit the man because______.A. the box of bricks was heavier than himB. the box of bricks was lighter than himC. the box of bricks came down too fastD. the man was too careless
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下列代码中可以使控件Txt Box获得焦点的是( )。A．set Txt Box. focusB．set Txt Box. focus=trueC．Txt Box. Set FocusD．Txt Box. Set Focus=true
考题
Wear occurring at the tips of the reduction gear teeth is usually the result of ______.A.surface fatigueB.fretting corrosionC.heavy overloadingD.gear misalignment
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下列哪一个可以作为链式jQuery命令的示例（）。A、$（#box）.fadeOut（）.fadeIn（）B、$（"#box"）.fadeOut（）.fadeIn（）C、$（"box"）.fadeOut（）.fadeIn（）D、$（#box）.fadeOut（）.fadeIn（）
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下列哪一个选项可以作为链式jQuery命令的示例（）。A、$（#box）.fadeOut（）.fadeIn（）B、$（"#box"）.fadeOut（）.fadeIn（）C、$（"box"）.fadeOut（）.fadeIn（）D、$（#box）.fadeOut（）.fadeIn（）
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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
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下列哪一个jQuery命令的语法是正确的（）。A、$（"#book"）.fadeOUT（）B、$（"#box"）.fadeOut（）.fadeIn（）C、$（#box）.fadeOut（）.fadeIn（）D、$（"#box"）.fadeOut（）.fadeInOUT（）
考题
单选题下列哪一个可以作为链式jQuery命令的示例（）。A
$（#box）.fadeOut（）.fadeIn（）B
$（#box）.fadeOut（）.fadeIn（）C
$（box）.fadeOut（）.fadeIn（）D
$（#box）.fadeOut（）.fadeIn（）
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An advantage of a helical gear pump over a simple gear pump is that the helical gear pump is capable of （）.A
maintaining a steadier speedB
delivering liquids over greater distancesC
operating for longer periods of timeD
producing a smoother discharge flow
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 vessel is “engaged in fishing” when（）.A
her gear extends more than 100 meters from the vesselB
she is using any type of gear，other than linesC
she is using fishing apparatus which restricts her maneuverabilityD
she has any fishing gear on board
考题
单选题下列哪一个选项可以作为链式jQuery命令的示例（）。A
$（#box）.fadeOut（）.fadeIn（）B
$（#box）.fadeOut（）.fadeIn（）C
$（box）.fadeOut（）.fadeIn（）D
$（#box）.fadeOut（）.fadeIn（）
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
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At the top of the A-frames there is a strong cast iron frame called （）.A
cylinder linerB
cylinder coverC
the gear boxD
the scavenging box
考题
单选题Pitting in the area close to the pitch line and on the same end of each gear tooth of a reduction gear unit would be caused by （）A
corrosion on the gearsB
excessive gear speedC
dirt in the oilD
misalignment of the gears
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The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the（）.A
deckB
head of the boomC
heel of the boomD
mast or king post
考题
单选题With reference to rules governing steering gear, which one of the following rules is incorrect? （）A
It is required that all ships are provided with two independent steering gear systems that is one main and one auxiliaryB
The auxiliary gear could be power operated in passenger shipsC
The auxiliary gear must be of adequate strength and sufficient to steer a ship at navigable speedD
All moving parts of the steering gear must be guarded against any possible damage
考题
单选题When there is no movement of the rams on an electro-hydraulic steering gear, the tilting box of the running pump is （）.A
set for maximum torqueB
on the purge and vent strokeC
in the neutral positionD
rotating backwards
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