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 flywheel reduces speed fluctuations by （）
A
maintaining a constant rack setting
B
storing kinetic energy
C
maintaining equal exhaust pressure
D
maintaining even camshaft speed
参考答案
参考解析
解析：
暂无解析
更多 “单选题The flywheel reduces speed fluctuations by （）A maintaining a constant rack settingB storing kinetic energyC maintaining equal exhaust pressureD maintaining even camshaft speed” 相关考题
考题
Standard of purchased material:A Simplifies inventory controlB reduces the risk of obsolescenceC reduces cost of purchasing and storageD All of the above.E A and C only.
考题
105 Standard of purchased material:A. Simplifies inventory controlB. reduces the risk of obsolescenceC. reduces cost of purchasing and storageD. All of the above.E. A and C only
考题
Diesel engine electric starting motors generally require heavier duty motors and motors and operate at higher voltages than comparable starting motors for gasoline engines due to _____________.A.higher speed requiredB.flywheel-effectC.lower starting temperaturesD.higher compression pressures
考题
对话理解听力原文：W: Why should the money be deposited within such a short time?M: To avoid problems arising from fluctuations of exchange rate and to prevent possible fraud or overdrawing.Q: Why should the money be deposited within such a short time?(11)A．In order to avoid problems arising from fluctuations of exchange rate.B．In order to get more money.C．In order to use the money as soon as possible.D．In order to overdraw the money.
考题
听力原文：A currency swap is a second technique for hedging long-term transaction exposure to exchange rate fluctuations.(10)A．A currency swap is a better way to convert the long-term transaction into a spot transaction.B．A currency swap makes long-term transaction exposure to exchange rate fluctuations.C．A currency swap is a better way to reduce the risks of the long-term transactions owing to the exchange rate fluctuations.D．A currency swap can in no way reduce the risk of exchange rate fluctuations.
考题
In reducing engine speed to an efficient propeller speed by the use of reduction gears, _______.A.speed and torque are both reducedB.speed is reduced and torque remains unchangedC.speed is reduced and torque is increasedD.speed is sometimes unchanged while torque is increased
考题
Which of the following BEST describes the function of a redundant power supply?()
A. Provides additional diagnostic LEDsB. Reduces power consumptionC. Eliminates a single point of failureD. Reduces total cost of ownership
考题
WhichofthefollowingtypesofUPSwouldbeusedwithequipmentthatisverysensitivetopower fluctuations?()
A.Offline/StandbyB.LineinteractiveC.RackmountD.Online/DoubleConversion
考题
Which of the following statements in supported by the passage?A．The sun shines constantly and gives out the same amount of energy every year．B．The cause of the sun’S fluctuations is its loss of energy with each passing yearC．It is sure that the energy sent out by the sun will drop when more sun spots appear．D．Fluctuations in weather pattems are the results of the pull of gravity．
考题
Chafing gear ______.A.reduces and prevents corrosion of standing riggingB.prevents corrosion of running riggingC.reduces and prevents wear caused by the rubbing of one object against anotherD.protects the body against extreme cold
考题
______is a rounded projection at the forward end of a ship which reduces water resistance，thus allowing an increase in speed when the ships is in ballast．A.Bulbous bowB.Ellipse bowC.Cyclical projectionD.Gnomonic projection
考题
Which of the following is a reason black toner is used in color printers？（）A、It decreases the print speed in color laser printers.B、It prevents moir patterns when printing color photographs.C、It reduces the cost per page when printing gray scale documents.D、It makes the color toner resistant to smudging when wet.
考题
What is the meaning “speed is not of primary importance”?（）A、Speed is importantB、Speed is not the most importantC、Speed is mainly importantD、Speed is first importan
考题
Which of the following BEST describes the function of a redundant power supply？（）A、 Provides additional diagnostic LEDsB、 Reduces power consumptionC、 Eliminates a single point of failureD、 Reduces total cost of ownership
考题
Which of the following types of UPS would be used with equipment that is very sensitive to power fluctuations？（）A、Offline/StandbyB、Line interactiveC、RackmountD、Online/Double Conversion
考题
A customer would like to consolidate multiple database workloads to a single server to reduce TCO. What is the effect of PowerVM on TCO？（）A、Reduces SAN costB、Reduces network costC、Reduces administration costsD、Reduces software licensing cost
考题
单选题A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the（）.A
vessel's horsepowerB
sea stateC
number of propellersD
vessel's displacement
考题
单选题A diesel engine which is rated for normal operation at a crankshaft speed of 800 RPM, is commonly classed as a （）.A
slow-speed dieselB
medium-speed dieselC
high-speed dieselD
constant-speed diesel
考题
单选题Which of the following is a reason black toner is used in color printers？（）A
It decreases the print speed in color laser printers.B
It prevents moir patterns when printing color photographs.C
It reduces the cost per page when printing gray scale documents.D
It makes the color toner resistant to smudging when wet.
考题
单选题In conventional systems, the injection pressure（）, while it’s（）in common rail diesel engines.A
fluctuates with the engine speed to some extent, independent of the engine speedB
keeps constant at all engine speed, dependent on the engine speed to some extentC
keeps constant at all engine speed, independent of the engine speedD
is decided by the engine speed, constant at all engine speed
考题
单选题Which of the following BEST describes the function of a redundant power supply？（）A
Provides additional diagnostic LEDsB
Reduces power consumptionC
Eliminates a single point of failureD
Reduces total cost of ownership
考题
单选题An anemometer on a moving vessel measures（）.A
apparent wind speed onlyB
true wind speed and true wind directionC
true wind speed onlyD
apparent wind speed and true wind direction
考题
单选题The ability of the governor to prevent fluctuations in engine speed is termed （）.A
sensitivityB
stabilityC
promptnessD
speed droop
考题
单选题The word “fluctuations” in paragraph 1, line 1 is closest in meaning to ______.A
increasesB
inspectionsC
changesD
conclusions
考题
单选题The purpose of the flywheel is to （）A
provide energy to operate the engine between power impulsesB
neutralize the primary inertia force of the crankshaftC
reduce the shock of starting loads on the main bearingsD
prevent the engine from operating at critical speed
热门标签
最新试卷