更多"The backup system on an electric st"的相关试题:
[单项选择]Sweating of the refrigeration system compressor crankcase is caused by ().
A. too much superheat
B. insufficient superheat
C. suction pressure too low
D. excessive refrigerant returning to the compressor
[单项选择]IBBS(Integrated Backup Battery System)温控型蓄电池柜是华为室外基站配套产品,最多内置节()12V100/150AH单体蓄电池。
A. 4
B. 8
C. 12
D. 16
[单项选择]Diesel engine air start system check valves are opened by ()
A. an air start cam
B. cylinder compression pressure
C. starting air pressure
D. valve springs
[判断题]Pentium微处理机配备有5个32位的控制寄存器:CR0、CR1、CR2、CR3、CR4。保存着跟任务有关的适合于所有任务的机器状态。
[单项选择]40Cr中Cr的主要作用是()。
A. 提高耐蚀性
B. 提高回火稳定性及固溶强化F
C. 提高切削性
D. 提高淬透性及固溶强化F
[简答题]某厂电炉冶炼2Cr13钢,钢水量38500kg,还原时分析炉中[Cr]为11.5%,成品Cr要求控制13%需加多少铬铁?(铬铁含铬65%,铬的回收为96%)
[简答题]冶炼1Cr13钢水量为10500t,残余Cr=0.60%,Fe-Cr成份63%,回收率97%,要将Cr调到13%,需加入多少Cr铁?
[简答题]冶炼9Cr18钢时钢水是为37500kg,炉中含Cr16.5%,成品Cr按17.6%控制,求铬铁的加入量?(铬铁含铬量为65%,铬的回收率为97%)
[单项选择]当CFDS进入到BACKUP方式时:
A. 在空中可显示当前航段的报告
B. 在地面只能进行SYSTEM REPORT/TEST
C. 在地面可查看上一航段的故障
D. 只能显示CFDIU本身的故障
[单项选择]A company utilizes the GFS backup standard. Which of the following describes this backup method?()
A. Greatest, Final, Sequential
B. Full, Partial, Incremental
C. Monthly, Weekly, Daily
D. Full, Differential, Incremental
[单项选择]A bare metal backup requires which of the following backup methodologies?()
A. Full
B. Differential
C. Incremental
D. Database
[单项选择]W18Cr4V中C、W、Cr、V的含量大约为()。
A. 0.1%,18%W,4%Cr,1%V
B. 1%,1%W,18%Cr,4%V
C. 1%,18%W,4%Cr,1%V
D. 0.75%,18%W,4%Cr,1%V