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Drive Pinion Gear为（）
- A、盆形齿轮之齿顶
- B、盆形齿轮架
- C、角尺齿轮
- D、差速小齿轮
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更多 “Drive Pinion Gear为（）A、盆形齿轮之齿顶B、盆形齿轮架C、角尺齿轮D、差速小齿轮” 相关考题
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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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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
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______ is not usually used in liquid cargo systems．A.Hydraulic drive systemsB.Electric drive systemsC.Steam drive systemsD.Man-powered drive systems
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An administrator has added a new hard drive to a server that is running out of space on its C Drive and is experiencing slow performance. The administrator needs to free up space on the C Drive.Which of the following is the BEST action for the administrator to take to free up space on the drive？（）A、Move the page file to the new drive.B、Copy the system32 directory to the new drive.C、Convert the C drive to a basic disk.D、Setup a software RAID to mirror the C drive.
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The technician is working on a system and has determined that the hard drive must be reimaged. However, the customer wants to retain all the data. Which of the following would take the LEAST amount of time to implement?（）A、Create a new partition on the hard drive, copy all data to the new partition, reimage the drive, and the old data will be on the new partition and accessible.B、Install a new hard drive, slave the old drive, image the new drive, and show the customer how to access their data on the old drive.C、Upload the data to an external FTP server, reimage the drive, and then restore the data to the newly imaged drive.D、Copy data to a USB connected hard drive, reimage the drive, and then restore the data to the newly imaged drive.
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单选题Gear-type flexible couplings are often used in diesel engine drive trains because they（）A
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compensate for gross misalignment in the drive trainC
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will rapidly disconnect the engine from the line shaft
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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（） is not usually used in liquid cargo systems.A
Hydraulic drive systemsB
Electric drive systemsC
Steam drive systemsD
Man-powered drive systems
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maintaining a steadier speedB
delivering liquids over greater distancesC
operating for longer periods of timeD
producing a smoother discharge flow
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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
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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
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Connect the new DVD drive as the primary on the secondary bus and leave the old CD drive disconnected.B
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Move the secondary hard drive from the secondary to the primary bus and then reformat the hard drive after rebooting then reassign the drive letters in disk management prior to installing the new DVD drive on the secondary bus.D
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the indicatorsB
the starting valvesC
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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
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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
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单选题If a diesel engine rotates slowly when cranked, but does not fire, the（）A
fuel control rack had admitted excessive fuelB
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starter pinion and ring gear contact is not correct
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单选题Which of the following statements is/are true regarding hydraulic pumps in general? （）A
Variable volumes can be obtained with gear pumps only by variation of the pump drive speedB
A radial piston pump houses sliding pistons in a stationary cylinder block through which passes a rotating pintle or ported shaftC
The amount of fluid displaced per revolution of an axial piston rotary pump is dependent on the angle formed between the cylinder block and valve plateD
All of the above
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electric motorB
hydraulic motorC
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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 operating a four-ram steering gear system under emergency conditions, which one of the following statements is incorrect?（）A
Only one pump should be used at any timeB
The ship speed should be reduced to 70% of the normalC
Watch keeping of the steering gear should be increasedD
Limitations of the steering gear should be logged but the bridge need not be informed
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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
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