（） is (are) not power supplied by main switchboard directly.
（）belongs to emergency power supplying equipments.
It’s not advisable to cut（）the power supply.
（） shall be continuously powered and shall have an automatic changeover to a stand by power supply in case of loss of normal power supply.
A customer has a p650 on order and plans to put it in a current OEM rack. They are concerned that the p650 power supply may demand more current than the OEM PDU can provide. Which planning guide specification would provide the necessary requirements？（）
What is the standard power supply that is delivered with a BladeCenter H chassis for a North American customer？（）
A BladeCenter S chassis with 2 storage modules requires how many power supplies?（）
What is the maximum number of 220V power supplies that can be in a UCS chassis?（）
UPS（Uninterruptible Power Supply）的中文名称是什么。（）
（）is power supplied by main switchboard directly not through sub-board.
Which of the listed sections of an emergency switchboard is used to supply power for alarm signals under emergency conditions?（）
备用电源（standby power supply，SPS）
During the watch at sea, where situations occur in the machine apace which may affect the speed maneuverability, power supply or other essentials for the safe operation of the ship（）should be informed as soon as possible.
The alternating current generator supplying a load has a voltage drop resulted from the loadWhen the load has a lagging power factor this voltage drop （）.
The function of direct current regulated power supply is to input an alternating current power of 220volts, so that it can output __________.
The construction of a slim patchlike tank may be helpful in the problem of power supply.
Unregulated power supplies contain three basic components: a transformer, retifier and filter capacitor. Thi type of power supply, because of its simplicity, is the least costly. The disadvantage is that the output voltage is not constant.
She keeps a supply of candles in the house in case of a power（）
The 1982 Oil and Gas Act gives power to permit the disposal of assets held by the Corporation, and the Corporation's statutory monopoly in the supply of gas for fuel purposes so as to permit private companies to compete in this supply.
She keeps a supply of candles in the house in case of power ________.
Which of the following descriptions are WRONG about the M600 power supply modules？（)
How much of your country’s electrical supply is ________ from water power？
After resolving the trouble of main power supply, main switch of emergency generator should____, if power supply is refreshed.
A class AB transistor amplifier using complementary transistors is biased by power supply that is ±18Vdc. The value of VCE（OFF) for either transistor is approximately equal to ______.
