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
A diesel generator has just been paralleled with an AC turbo-generator, but the load can not be properly divided.This could be caused by（）
A
an incorrect diesel generator governor speed droop adjustment
B
a faulty reverse power relay within the main circuit breaker assembly
C
unsynchronized isochronous load distribution adjustments
D
a different speed setting on each unit
参考答案
参考解析
解析：
暂无解析
更多 “单选题A diesel generator has just been paralleled with an AC turbo-generator, but the load can not be properly divided.This could be caused by（）A an incorrect diesel generator governor speed droop adjustmentB a faulty reverse power relay within the main circuit breaker assemblyC unsynchronized isochronous load distribution adjustmentsD a different speed setting on each unit” 相关考题
考题
What are the possible techniques to be used for practicing the structure that has just been presented? ___________.
A.repetitionB.substitutionC.single word promptsD.picture prompts
考题
The certificate of pratique certifies that ______.A.the ship has no rats or mice on boardB.no quarantinable disease has been found on the vesselC.no person has died during the voyage the ship has just completedD.all the crew members have no health problem
考题
Why does Mr. Nixson want to begin a career in the employment industry?A.The field has a lot of potential in the future
B.He has been unable to find employment elsewhere
C.He has just completed a college course in that field
D.The employment industry is the most stable in the nation
考题
____ just six months ago, Finson’s Grill has quickly become one of the most popular restaurants in Detion.
A.Opened
B.Had been opening
C.Been opened
D.To open
考题
How many subnets are possible in an enterprise that has just been assigned an IPv6 prefix by itsISP?（）A、65536B、256C、1024D、16777216
考题
A customer has just purchased six x346 servers running Windows 2003 Web Edition.They are expecting to add six additional x346’s in three months.They have a requirement to automatically deploy the current server image upon the new servers. What TWO actions are required to complete this task？（）A、Ensure Director Agent is installed on the new servers.B、Ensure a DHCP Sever is installed and configured in the environment.C、Ensure Server Plus Pack option has been installed and configured.D、Ensure Software Distribution has been installed on the IBM Director Server and an image has been created.E、Ensure Remote Deployment Manager has been installed on the IBM Director Server and an image has been created.
考题
A work order has been created to perform corrective maintenance on a defective generator. All required information has been provided in the work order， but required materials are not in stock and have to be ordered. What is the status of the work order， after a maintenance manager has approved the work order？ （）A、 Approved （APPR）B、 Waiting on Materials （WMATL）C、 Waiting to be Scheduled （WSCH）D、 Waiting on Plant Condition （WPCOND）
考题
单选题Leaking oil seals on a diesel engine turbocharger can cause（）A
the engine to run after the fuel has been securedB
the engine to over-speedC
a fireD
all of the above
考题
单选题A work order has been created to perform corrective maintenance on a defective generator. All required information has been provided in the work order， but required materials are not in stock and have to be ordered. What is the status of the work order， after a maintenance manager has approved the work order？ （）A
Approved （APPR）B
Waiting on Materials （WMATL）C
Waiting to be Scheduled （WSCH）D
Waiting on Plant Condition （WPCOND）
考题
单选题Typical marine propulsion plants include（） directly coupled to the vessel’s single large-diameter, fixed-pitch propeller.A
a single, long-stroke, slow-speed, turbocharged, two-stroke diesel engineB
a single, long-stroke, medium-speed, turbocharged, four-stroke diesel engineC
two medium-speed, turbocharged, four-stroke diesel enginesD
a variable-speed AC generator
考题
单选题A DC generator is used to supply direct current in order to maintain an AC generator field and is known as a/an （）A
rotorB
statorC
exciterD
armature
考题
单选题A probable cause for a turbo generator tripping out on overspeed is a sudden（）A
loss of field excitationB
total loss of loadC
large increase in loadD
loss of steam pressure
考题
单选题To check the setting of the overspeed trip on a diesel powered generator, you would use a （）.A
tachometerB
torsion meterC
dynamometerD
pony brake
考题
单选题The power factor at which a paralleled AC generator operates is usually adjusted by the （）.A
connected loadB
prime mover speedC
field excitationD
generators rated voltage
考题
单选题You are on watch at night in clear visibility and the vessel has just been anchored.The first thing that you should do after the anchor has been let go is to（）.A
stop the enginesB
turn off the running lights and turn on the anchor lightsC
take at least two bearings of prominent shore lightsD
lower the accommodation ladder and illuminate it
考题
单选题A diesel driven emergency generator is prevented from being paralleled with the ships service generators by （）A
an electrical interlock systemB
an automatic paralleling trip switchC
the synchronizing oscilloscopeD
the reverse current relay
考题
单选题Where has Sally just been?A
To the bicycle repair shopB
To the supermarketC
To the library
考题
单选题An emergency diesel generator should automatically shut down in the event of （）A
dangerous over-speedingB
a loss of lube oil pressureC
activation of the fixed CO2 system for the emergency generator spaceD
all of the above
考题
单选题The sludge tank installed in the diesel engine room is used to collect（） Ⅰ.sludge from the fuel oil settling tanks ad centrifuge Ⅱ.water that has been collected in the settling tankA
ⅠonlyB
Ⅱ onlyC
bothⅠand ⅡD
neitherⅠor Ⅱ
考题
单选题In a diesel engine, when the fuel is injected into the cylinder,（）A
the piston is just coming upward from the bottom dead centerB
the piston has moved about one-fifth of the way upC
the piston has moved most of the way up and almost reached the TDCD
the piston has just past the TDC
考题
单选题Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）A
SensitivityB
PowerC
Speed droopD
Compensation
考题
单选题When two AC generators are being paralleled, the breaker should be closed with the synchroscope pointer mating in the （）A
slow direction, just before the 12 o'clock positionB
fast direction, just after the 12 o'clock positionC
fast direction, just before the 12 o'clock positionD
slow direction, just after the 12 o'clock position
考题
单选题A diesel generator has just been paralleled with an AC turbo-generator, but the load can not be properly divided.This could be caused by（）A
an incorrect diesel generator governor speed droop adjustmentB
a faulty reverse power relay within the main circuit breaker assemblyC
unsynchronized isochronous load distribution adjustmentsD
a different speed setting on each unit
考题
单选题The certificate of pratique certifies that （）.A
the ship has no rats or mice on boardB
no quarantinable disease has been found on the vesselC
no person has died during the voyage the ship has just completedD
all the crew members have no health problem
考题
填空题I am sure the secretary who has just been hired will prove to be an efficient (employ) ____.
考题
单选题When paralleled, AC generators must have the same （）A
frequencyB
number of phasesC
phase rotationD
All of the above
考题
单选题Which of the following is correct according to the passage you have just heard?A
Microsoft has been through a bruising battle with antitrust regulators.B
Mr. Gates’s position as the industry’s figurehead has been challenged.C
The computer industry is currently having a hard time.D
Mr. Gates has earned 870 billion US dollars over the last two decades.
考题
单选题Which of the following adjustments is always required whenever the diesel engine governor oil has been drained and renewed?（）A
speed droopB
compensationC
idle speed settingD
load limit control
热门标签
最新试卷
