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
To guarantee that a reduction gear bearing is receiving proper oil supply, you should check the （）
A
lube oil temperature at the cooler outlet
B
lube oil strainer magnets bearing
C
lube oil temperature
D
lube oil pressure to the bearing
参考答案
参考解析
解析：
暂无解析
更多 “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” 相关考题
考题
ClicktheExhibitbutton.TheApplianceclassisaSingletonthatloadsasetofpropertiesintoaMapfromanexternaldatasource.Assume：AninstanceoftheApplianceclassexistsintheapplication-scopedattribute，applTheapplianceobject includesthenamepropertythatmapstothevalueCobiaTherequest-scopedattribute，prop，hasthevaluename.WhichtwoELcodesnippetswilldisplaythestringCobia？（）A.${appl.properties.name}B.${appl.properties.prop}C.${appl.properties[prop]}D.${appl.properties[name]}E.${appl.getProperties（）.get（prop）}F.${appl.getProperties（）.get（’name’）}
考题
Given:and the command line: java －Dprop.custom=gobstopper Commander Which two, placed on line 13, will produce the output gobstopper?()
A.System.load(prop.custom);B.System.getenv(prop.custom);C.System.property(prop.custom);D.System.getProperty(prop.custom);E.System.getProperties().getProperty(prop.custom);
考题
Given:Whichtwo,placedonline13,willproducetheoutputgobstopper?()
A.System.load（prop.custom）；B.System.getenv（prop.custom）；C.System.property（prop.custom）；D.System.getProperty（prop.custom）；E.System.getProperties（）.getProperty（prop.custom）；
考题
When transmitted by a reduction gear, diesel engine speed is reduced and the torque available for workA.remains the sameB.is reducedC.is increasedD.is eliminated
考题
Lubrication for the main reduction gears used with diesel engines is usually supplied byA.oil from the main engine sumpB.an independent lube oil systemC.the stern bearing head tankD.the stem bearing sump tank
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
Pitted reduction gear teeth having a deep blue color with evidence of overheating have been operated with _______.A.excessive speedB.improper warm-upC.extreme misalignmentD.inadequate lubrication
考题
Which of the following is the guarantee of a better future for US economy?［A］Motor vehicles.［B］Housing market.［C］Business equipment.［D］Computer gear.
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
考题
It can be inferred from the text that__________.A.employees are facing a reduction in working hours today
B.increased leisure time would benefit two-career households
C.companies have no set standard to evaluate their staff
D.high incomes don't guarantee Americans enough leisure time
考题
11. public class Commander { 12. public static void main（String[] args） { 13. String myProp = /* insert code here */ 14. System.out.println（myProp）； 15. } 16. } and the command line： java -Dprop.custom=gobstopper Commander Which two， placed on line 13， will produce the output gobstopper？（）A、 System.load（”prop.custom”）；B、 System.getenv（”prop.custom”）；C、 System.property（”prop.custom”）；D、 System.getProperty（”prop.custom”）；E、 System.getProperties（）.getProperty（”prop.custom”）；
考题
单选题What is the function of the thrust bearing?（）A
Prevents lateral movement of the slow speed gearB
Transmits propeller thrust to the hullC
Keeps spring bearings in lineD
Prevents main reduction gear axial movement
考题
单选题When transmitted by a reduction gear, diesel engine speed is reduced and the torque available for work （）A
remains the sameB
is reducedC
is increasedD
is eliminated
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In the management of the shafting, because（） carry heavy load and caused high temperature easily, it should be paid attention.A
the bearing near to the diesel engineB
the intermediate bearing near to the thrust bearingC
the intermediate bearing near to the sterntubeD
the bearing located at the middle of the diesel engine and the sterntube
考题
单选题Shims of different thicknesses are inserted between the shells to enable adjustment of （）.A
the bearing clearancesB
the bearing thicknessC
the bearing strengthD
the bridge hardness
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When used with reversing reduction gears, medium-speed diesel engines should be bolted to their foundations with fitted bolts at the drive end and clearance(loosely fitted) bolts in other locations √This is done to （）A
maintain alignment when the ship’s hull is working in heavy seasB
ensure engine vibrations correspond to the natural frequency of the hullC
permit the engine to expand away from the driven equipment as the engine heats up and expandsD
maintain engine thrust bearing clearances
考题
单选题Wear occurring at the tips of the reduction gear teeth is usually the result of （）.A
surface fatigueB
fretting corrosionC
heavy overloadingD
gear misalignment
考题
单选题The insertion of shims between the foot of a marine type connecting rod and a bearing box would result in （）A
increased compression ratioB
decreased compression ratioC
increased bearing clearanceD
decreased bearing clearance
考题
单选题Pitted reduction gear teeth having a deep blue color with evidence of overheating have been operated with （）A
excessive speedB
improper warm-upC
extreme misalignmentD
inadequate lubrication
考题
单选题Lubricating oil used in a diesel engine serves to（）A
reduce the wear of bearing surfacesB
cool the bearing surfacesC
assist in sealing bearing surfacesD
all of the above
考题
多选题Given： Which two， placed on line 13， will produce the output gobstopper？（）ASystem.load（"prop.custom"）；BSystem.getenv（"prop.custom"）；CSystem.property（"prop.custom"）；DSystem.getProperty（"prop.custom"）；ESystem.getProperties（）.getProperty（"prop.custom"）；
热门标签
最新试卷
