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hp3030提示：SCANNER ERROR OFF POWER ON POWER是什么地方的问题（）
- A、扫描组建老化导致初始化失败，可以先清洁扫描头，如果不行就只能更换了
- B、定影组件
- C、主板
- D、硒鼓
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hp3030提示:SCANNER ERROR OFF POWER ON POWER是什么地方的问题()
A.扫描组建老化导致初始化失败，可以先清洁扫描头，如果不行就只能更换了B.定影组件C.主板D.硒鼓
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A sextant having an index error that is "off the arc" has a ______.A.positive correctionB.dip errorC.negative correctionD.semidiameter error
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What is the purpose of the limit switch on gravity davits?A.To cut off the power when the davits hit the track safety stopsB.To stop the davits from going too fastC.To cut off the power when the davits are about 12 inches or more from the track safety stopsD.None of the above
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A mail server keeps shutting down. The administrator gets an error message over temperature error. Which of the following should the administrator replace FIRST？（）A、 Power supply fanB、 CPU fanC、 Heat sinkD、 Case fan
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Customer purchased and x3650 M3 server and requires the ability to remotely power on and off the server. What if any additional hardware would the customer need to purchase to remotely power the server on and off？（）A、Visual Media Key （VMK）B、Integrated Management Module （IMM）C、Remote Supervisor Adapter （RSA II）D、Advanced Management Module （AMM）
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You need to configure the power settings of your portable computer so that the display turns off when it is inactive and running on battery power. You also need to ensure that the power settings of the hard disk remain unaffected. What should you do？（）A、Change the advanced power settings of the Balanced power plan.B、Configure the portable computer to use the Power saver power plan.C、Configure the portable computer to use the High performance power plan.D、Restore the Power Saver power plan to the default settings.
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You have a laptop that doesn’t shut down at all. It stays on the shutdown screen and even if you try to switch it off， it won’t switch off？ （）A、 Enable APM in control panel， power optionsB、 Disable APM in the BIOSC、 Enable hibernate in control panel， power optionsD、 Enable standby in control panel， power option
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单选题The hot expanding gas rotates the blades of the exhaust turbine, thus （） a large of its power, （） drives the compressor.A
to give off；whichB
giving off；whichC
to give off；thatD
giving off；that
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单选题You have a laptop that doesn’t shut down at all. It stays on the shutdown screen and even if you try to switch it off， it won’t switch off？ （）A
Enable APM in control panel， power optionsB
Disable APM in the BIOSC
Enable hibernate in control panel， power optionsD
Enable standby in control panel， power option
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单选题Which of the following is the process a scanner uses to scan images to a computer？（）A
Light is shown through the image and onto the scanner headB
Light is reflected off a mirror onto the Charged Coupled Device （CCD）C
Light is flashed off a mirror onto the CCDD
Light is reflected off the image and into a camera
考题
单选题A mail server keeps shutting down. The administrator gets an error message over temperature error. Which of the following should the administrator replace FIRST？（）A
Power supply fanB
CPU fanC
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单选题You have a computer with a USB keyboard that is running Windows 2000 Professional. You install a USB scanner on this system. The system asks for the driver and you install them. After you restart your computer， you notice that the keyboard doesn’t work anymore. What should you do in order to make both， the keyboard and the scanner work？ （）A
Update the scanner drivers using certified driversB
Enable the USB port in the computers BIOSC
USB keyboards DO NOT existD
Enable the USB hub controllerE
Reinstall the USB device driver and disable the USB error detection
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单选题You are transferring fuel from the storage tanks to the day tanks by means of an electric fuel oil transfer pumpIf the pump motor catches fire, you would FIRST （）.A
secure the fuel manifoldB
shut off power to the pumpC
shut off the power ventilationD
spray water on the fire
考题
单选题Before doing maintenance on electrical equipment, you should （）.A
turn off power firstB
turn on power firstC
with a test pen in handD
tell C/E
考题
单选题After resolving the trouble of main power supply, main switch of emergency generator should（）, if power supply is refreshed.A
be switched off by the duty officerB
be switched on by the duty officerC
be switched off automaticallyD
be switched on automatically
考题
单选题Before wore is commenced（）the officer responsible should ensure that power is shut off and warning notices posted on the bridge and in the machinery spaces.A
near the ship’s whistleB
on the funnelC
in the vicinity of radio aerialsD
near the radar scanner
考题
单选题When the power is shut off, the wire（）A
becomes slackB
can not be paid out unless the brake is overhauled or recover wire unless manually operatedC
will be let out because the brake is out of workD
may be pay out due to no power
考题
单选题Limit switches（）.A
control the descent rate of a lifeboatB
control the ascent rate of a lifeboatC
cut off power to the winch when the lifeboat nears the final stowed positionD
cut off power to the winch when the lifeboat reaches the davit bumpers
考题
单选题What is the purpose of the limit switch on gravity davits?（）A
To cut off the power when the davits hit the track safety stopsB
To stop the davits from going too fastC
To cut off the power when the davits are about 12 inches or more from the track safety stopsD
None of the above
考题
单选题A sextant having an index error that is off the arc has a（）.A
positive correctionB
dip errorC
negative correctionD
semidiameter error
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