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
The main advantage of improved Simplex tailshaft seal are（）
A
the good sealing performance and the simple structure
B
the good sealing performance and the short life expectancy
C
the good sealing performance but the short life expectancy
D
the good sealing performance and the lower cost
参考答案
参考解析
解析：
暂无解析
更多 “单选题The main advantage of improved Simplex tailshaft seal are（）A the good sealing performance and the simple structureB the good sealing performance and the short life expectancyC the good sealing performance but the short life expectancyD the good sealing performance and the lower cost” 相关考题
考题
What is the main idea of the passage?A. Multitasking has become a way of life.B. Multitasking often leads to efficiency decline.C. Multitasking exercises need to be improved.D. Multitasking enables people to remember things better.
考题
Wendy was too nice to me those days, but I felt that she ______________________ me as a free babysitter.
A.was taking advantage ofB.take advantage ofC.takes advantage ofD.taking advantage of
考题
The bearing of tailshaft sealing equipment which adopts the oil nature circulation is hot, the reason isA.the rotate speed fluctuationB.the ventilation tube cloggedC.the main engine accelerate so fastD.stormy waves
考题
Whichofthefollowingtermsisusedwhenprintingdataonboththefrontandthebackofpaper?()
A.ScalingB.CopyingC.DuplexD.Simplex
考题
Which of the following is an advantage of a virtualized server environment?()
A. Higher administrative complexityB. Increased level of securityC. More effective usage of computing resourcesD. Improved performance for users
考题
A centrifugal pump may fail to deliver water when first started if the ______.A.water seal pipe is pluggedB.pump is not primedC.seal ring is properly locatedD.impeller is flooded
考题
Which of the listed functions is the purpose of a gas scrubber in an inert gas generation system ________．A.Cools the inert gasB.Maintains the oxygen content at 5% by volumeC.Drains off static electricity in the inert gasD.Maintains the water seal on the gas main
考题
Supply chain management is the （） of these activities through improved supply chain relationship, to achieve a sustainable competitive advantage.A、CollectionB、AssemblyC、IntegrationD、Operation
考题
Which two of these statements best describe the benefits of WPAv1？ （）A、 SSID broadcast preventionB、 Improved mutual authenticationC、 Improved encryption through AESD、 Improved protection against sniffing initialization vectorsE、 RF jamming prevention
考题
Which of the following is an advantage of a virtualized server environment？（）A、 Higher administrative complexityB、 Increased level of securityC、 More effective usage of computing resourcesD、 Improved performance for users
考题
单选题Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon（）.A
cargo pump failureB
blower failureC
deck seal low water levelD
low inert gas temperature
考题
单选题（）is the main reason that reduces the power advantage of a two-stroke engine over a same size four-stroke one to about（）A
Inefficient scavenging；twiceB
Inefficient scavenging；1~8 timesC
Fewer strokes in a circle；twiceD
Fewer strokes in a circle；1~8 times
考题
单选题The main advantage of a Chinese stopper over the one line stopper is that it（）.A
will not jam on the mooring lineB
is strongerC
is easier to use when under heavy tensionD
is safer to use when under heavy tension
考题
单选题The main propulsion diesel engine jacket water temperature rises above normal, with the raw water sea suction and the expansion tank water level being normalWhich of the following problems is most likely the cause?（）A
Faulty thermostatic bypass valveB
Eroded zinc pencils in the heat exchangerC
Steam formation in the expansion tankD
Excessive leakage from jacket water pump seal
考题
单选题The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is（）A
the rotate speed fluctuationB
the ventilation tube cloggedC
the main engine accelerate so fastD
stormy waves
考题
单选题What is the main advantage of a rain barrel system?A
It benefits the Earth by recycling water.B
Its efficiency increases in areas with little rainfall.C
It utilizes technology that is centuries old.D
It results in lower utility payments.
考题
单选题What is an advantage of a steam turbine over a diesel for the main propulsion?（）A
Faster response from ahead to asternB
Less fuel consumptionC
Cheaper initial installation costD
Less weight per unit of horsepower
考题
单选题The main advantage and chief characteristic of a Steulchen boom is that it can be（）.A
operated by one winchmanB
cradled on deckC
swung from one hatch to the adjacent hatchD
collared to the mast
考题
单选题Which of the following is an advantage of a virtualized server environment？（）A
Higher administrative complexityB
Increased level of securityC
More effective usage of computing resourcesD
Improved performance for users
考题
单选题What’s the advantage when using the satellites?（）A
The message can be directed to the desired locationB
The message can follow the earth’s curvatureC
The quality of message can not be affected by climaticD
The range of the message extend and the quality of reception is improved
考题
单选题Simplex tailshaft seal equipment’s working condition is terribleThe main cause is （）A
the shafting’s vertical vibrationB
violent friction and sea water corrosiveC
friction and high temperatureD
violent friction and high temperature
考题
单选题The shear rams of a ship blowout preventer stack are used in emergency well control to（）.A
close and seal around the drill pipeB
close and seal around casingC
cut off pipe inside the preventer stackD
close and seal around drill collars
考题
问答题仿宋字编辑变成simplex字体的原因
热门标签
最新试卷