额定功率密度 rated power density
额定功率密度 rated power density
相关考题：
Compared to a constant pitch propeller, a controllable pitch propellerA.more efficiently uses available engine powerB.operates at a lower efficiency at a fixed speedC.produces the same torque at lower engine powerD.develops its rated power at a lower speed
The power factor of an AC generator operating singularly is determined by the_______ .A.connected loadB.prime mover speedC.field excitationD.generator's rated voltage
Which of the following can occur if the maximum rated load is exceeded on an uninterruptible power supply (UPS)?() A. There is a fire hazard potential if a power outage occurs.B. The last system plugged into the UPS will not be provided any power.C. The UPS will draw more power from the circuit to compensate.D. The runtime of the UPS will be insufficient if a power outage occurs.
Which of the following are three areas that favor IBMs position in Web2.0 computing?（）A、Acquisition cost, speed and density B、High performance processors, cooling and reliability C、Power, cooling and density D、Acquisition cost, density and reliability
An administrator installs new IDE drives into the company server. Upon starting the machine， the BIOS does not recognize any of the drives. Which of the following is the MOST likely cause of the problem？（）A、The jumpers are not set correctly on the drives.B、The power supply is not rated high enough to support the additional drives.C、The BIOS is not compatible with the drives.D、The drives are not powered on.
A military member has just returned to the United States from Europe and reports their personaldesktop computer does not work. Which of the following is the MOST logical solution to thisproblem?（）A、The computer is unable to work in the US because of EU licensing arrangementsB、The power supply needs to be replaced with one rated for 110 wattsC、The power supply needs a power inverter to handle the change in cyclesD、The power supply voltage needs to be switched to 110 from 220
Which of the following can occur if the maximum rated load is exceeded on an uninterruptible power supply （UPS）？（）A、 There is a fire hazard potential if a power outage occurs.B、 The last system plugged into the UPS will not be provided any power.C、 The UPS will draw more power from the circuit to compensate.D、 The runtime of the UPS will be insufficient if a power outage occurs.
When selling against competition, which of the following focus on the iDataPlex value proposition? （）A、Superior chip density B、Balance performance, cost, and power+cooling efficiency C、Flexible configurations ready for integration and testing at the customers data center D、Standard rack mounting
Which of the following solutions provides maximum core density per rack?（）A、Power 730B、PS700 BladesC、PS702 BladesD、PS703 Blades
单选题A current will develop between areas of different density in ocean waters. If you face in the same direction the current is flowing，the water of（）.Ahigh density will be on the left in the Northern HemisphereBhigh density will be on the right in the Southern HemisphereClow density will be on the left in the Northern HemisphereDlow density will be on the left in the Southern Hemisphere
单选题The function of the after-cooler installed between the turbocharger and intake manifold on some diesel engine, is to （）Aincrease the density of the intake airBdecrease turbocharger power usageCreduce exhaust gas temperatureDcompensate for turbocharger PRM fluctuations
单选题The power factor of an AC generator operating singularly is determined by the （）Aconnected loadBprime mover speedCfield excitationDgenerators rated voltage
单选题The power factor at which a paralleled AC generator operates is usually adjusted by the （）.Aconnected loadBprime mover speedCfield excitationDgenerators rated voltage
单选题When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）ADuring operation at low speedBDuring operation at rated speed, but low power outputCDuring accelerationDAll of the above
单选题Which of the following are three areas that favor IBMs position in Web2.0 computing?（）AAcquisition cost, speed and density BHigh performance processors, cooling and reliability CPower, cooling and density DAcquisition cost, density and reliability
单选题Compared to a constant pitch propeller, a controllable pitch propeller（）.Amore efficiently uses available engine powerBoperates at a lower efficiency at a fixed speedCproduces the same torque at lower engine powerDdevelops its rated power at a lower speed
单选题A military member has just returned to the United States from Europe and reports their personaldesktop computer does not work. Which of the following is the MOST logical solution to thisproblem?（）AThe computer is unable to work in the US because of EU licensing arrangementsBThe power supply needs to be replaced with one rated for 110 wattsCThe power supply needs a power inverter to handle the change in cyclesDThe power supply voltage needs to be switched to 110 from 220
单选题An administrator installs new IDE drives into the company server. Upon starting the machine， the BIOS does not recognize any of the drives. Which of the following is the MOST likely cause of the problem？（）AThe jumpers are not set correctly on the drives.BThe power supply is not rated high enough to support the additional drives.CThe BIOS is not compatible with the drives.DThe drives are not powered on.
单选题One of the causes of ocean currents is density differences in the water. This is true because （）.Ain an area of high density the water's surface is lower than in an area of low densityBsurface water flows from an area of high density to one of low densityCthe lesser the density gradient the freer the water is to moveDit is the density differences that cause the currents to stay in the troughs
单选题Which of the following can occur if the maximum rated load is exceeded on an uninterruptible power supply (UPS)?（）AThere is a fire hazard potential if a power outage occurs.BThe last system plugged into the UPS will not be provided any power.CThe UPS will draw more power from the circuit to compensate.DThe runtime of the UPS will be insufficient if a power outage occurs.
单选题The power output of a turbocharged diesel engine will drop if the cooling water flow through the after-cooler is interrupted because the （）.Aturbocharger stallsBexhaust pressure increasesCair charge density decreasesDscavenge effect increases