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
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：
Wear occurring at the tips of the reduction gear teeth is usually the result of ______.A.surface fatigueB.fretting corrosionC.heavy overloadingD.gear misalignment
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
______ is not usually used in liquid cargo systems．A.Hydraulic drive systemsB.Electric drive systemsC.Steam drive systemsD.Man-powered drive systems
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
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.
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.
单选题The plunger in the fuel injector pump, usually operated by a （）, is driven up and down when working.AcrankshaftBcamshaftCpiston rodDrack and pinion
单选题Gear-type flexible couplings are often used in diesel engine drive trains because they（）Arequire no lubrication under normal operating conditionsBcompensate for gross misalignment in the drive trainCare able to transmit high torque ,even where slight misalignment existsDwill rapidly disconnect the engine from the line shaft
单选题Where are the test certificates，for wire rope used as cargo runners，and loose gear certificates usually maintained? （）AWith the Cargo Gear Register on the shipBIn the Official LogCAt the Coast Guard Marine Safety Office with the vessel's inspection recordsDAt the central records center of the agency testing the cargo gear
单选题（） is not usually used in liquid cargo systems.AHydraulic drive systemsBElectric drive systemsCSteam drive systemsDMan-powered drive systems
单选题An advantage of a helical gear pump over a simple gear pump is that the helical gear pump is capable of （）.Amaintaining a steadier speedBdelivering liquids over greater distancesCoperating for longer periods of timeDproducing a smoother discharge flow
单选题Which of the following is NOT true according to the passage?（）ABoth the main steering gear and the auxiliary steering gear should be operatedBThe alarms fitted to the remote control system should be operatedCThe emergency generator compartment should be checkedDThe communication system between the bridge and the steering gear compartment should be operated
单选题A vessel is “engaged in fishing” when（）.Aher gear extends more than 100 meters from the vesselBshe is using any type of gear，other than linesCshe is using fishing apparatus which restricts her maneuverabilityDshe has any fishing gear on board
单选题The customer brings their mini-tower and a new DVD/RW drive they want installed. The technician finds a second hard drive in an empty 5.25 bay connected to the secondary bus and jumpered as a slave. The ribbon cable will not stretch from the primary hard drive to the open 5.25 inch bay. Which of the following is the BEST solution?（）AConnect the new DVD drive as the primary on the secondary bus and leave the old CD drive disconnected.BMove the secondary hard drive next to the primary hard drive and connect to the primary bus. Connect the new DVD drive as the slave on the secondary bus.CMove 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.DMove the secondary hard drive to the bay and then connect it to the primary bus. Connect themini-tower and the new DVD drive as the master on the secondary bus.
单选题Before starting the turning gear, （） should be worked by hand to minimize corrosive action on the liners.Athe indicatorsBthe starting valvesCthe cylinder lubricatorsDthe turning gear
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.AThe driven gearBThe driveCThe greaseDThe lubricating oil
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 （）Acorrosion on the gearsBexcessive gear speedCdirt in the oilDmisalignment of the gears
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（）Amust churn the oil in the sumpBis connected to the propeller shaftCis driven at the highest RPMDcompensates for alignment variations between the engine and pinion gear
单选题If a diesel engine rotates slowly when cranked, but does not fire, the（）Afuel control rack had admitted excessive fuelBengine speed does not match the fuel rack settingCengine has failed to reach its firing speedDstarter pinion and ring gear contact is not correct
单选题Which of the following statements is/are true regarding hydraulic pumps in general? （）AVariable volumes can be obtained with gear pumps only by variation of the pump drive speedBA radial piston pump houses sliding pistons in a stationary cylinder block through which passes a rotating pintle or ported shaftCThe amount of fluid displaced per revolution of an axial piston rotary pump is dependent on the angle formed between the cylinder block and valve plateDAll of the above
单选题In heavy marine engine the practice is to drive the engine on（）which has previously been stored in starting air reservoirs.Aelectric motorBhydraulic motorCcompressed airDturning gear
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（）.AdeckBhead of the boomCheel of the boomDmast or king post
单选题With reference to operating a four-ram steering gear system under emergency conditions, which one of the following statements is incorrect?（）AOnly one pump should be used at any timeBThe ship speed should be reduced to 70% of the normalCWatch keeping of the steering gear should be increasedDLimitations of the steering gear should be logged but the bridge need not be informed
单选题With reference to rules governing steering gear, which one of the following rules is incorrect? （）AIt is required that all ships are provided with two independent steering gear systems that is one main and one auxiliaryBThe auxiliary gear could be power operated in passenger shipsCThe auxiliary gear must be of adequate strength and sufficient to steer a ship at navigable speedDAll moving parts of the steering gear must be guarded against any possible damage