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【单选题】

When current and voltage reach maximum values at the same time, the power factor is()

A、minimum

B、maximum

C、leading

D、lagging

更多“When current and voltage reach maximum values at the same time, the power factor is()”相关的问题
第1题

A、All filesystems in rootvg, vol1, vol2  B、All locally mounted filesystems in the rootvg  C、All files in the rootvg and system files in vol1 and vol2  D、All local and remotely mounted filesystems  

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第2题

A、A.stem the current and make very slow headway when the anchor is dropped  B、B.stem the current and be falling aft very slowly when the anchor is dropped  C、C.stem the current and endeavor to make neither headway nor sternway when the anchor is dropped  D、D.stop all headway through the water and keep the current astern when the anchor is dropped  

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第3题

A、approach the buoy with the wind and current astern  B、approach the buoy with the wind and current ahead  C、approach the buoy with wind and sea abeam  D、stop upwind and up current and drift down on the buoy  

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第4题

A、only the control file, the current SPFILE, and data files  B、only the current SPFILE and data files if autobackup is disabled  C、only the data files and the archived redo logs  D、the control file, current SPFILE file, data files, and archived redo logs  

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第5题

A、only the control file, the current SPFILE, and data files  B、only the current SPFILE and data files if autobackup is disabled  C、only the data files and the archived redo logs  D、the control file, current SPFILE file, data files, and archived redo logs  

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第6题

A、carrying extra rudder to compensate for the current  B、necessary to adjust the course steered to allow for the current  C、at anchor and stemming the current  D、being forced off of a pier by the hydraulic effect of the current  

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第7题

A、position and area of the current  B、speed and direction toward which the current flows  C、type and characteristic of the current's flow  D、None of the above  

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第8题

A、the recommended current and voltage rating  B、higher current and voltage rating  C、higher current and lower voltage rating  D、lower current and higher voltage rating  

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第9题

A、the recommended current and voltage rating  B、higher current and voltage rating  C、higher current and lower voltage rating  D、lower current and higher voltage rating  

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第10题

A、30~45%vol  B、30~55%vol  C、30~65%vol  D、30~75%vol  

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