更多"A sextant having an index error tha"的相关试题:
[单项选择]A sextant having an index error that is off the arc has a（）.
A. positive correction
B. dip error
C. negative correction
D. semidiameter error
[单项选择]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
[单项选择]AR—3460、AR—4460光谱的WinOE软件主菜单由（）个部分组成。
A. 3
B. 4
C. 5
D. 6
[单项选择]将PFD ON-OFF/亮度控制电门置于OFF位，可将PFD显示转换至（）
A. E/WD
B. SD
C. ND
[单项选择]为了减少淬火冷却残余应力和畸变，将钢件奥氏体化后先较缓慢地（一般在空气中）冷却到略高于Ar3（或Ar1）点，然后进行淬火冷却的热处理工艺称为（）淬火。
A. 双液
B. 分级
C. 等温
D. 预冷
[单项选择]A number of biological sewage treatments plants are in use at sea but nearly all work on the principle called （）
A. deoxygenating
B. extended aeration
C. oxygenating
D. bubbling air
[单项选择]An electrical device which employs a stationary armature and a rotating electromagnetic field is used aboard ship as a （）.
A. magnetic amplifier
B. ship’s service alternator
C. three-wire DC generator
D. saturable core reactor
[单项选择]Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust，fuel，and electrical systems are designated（）.
A. DEFE
B. DE
C. DS
D. DES
[单项选择]The three basic elements necessary for any fire are （）.
A. heat, gas, and flames
B. fuel, heat, and oxygen
C. heat, nitrogen, and fuel
D. fuel oil, nitrogen, and oxygen
[单项选择]Which of the listed characteristics of lube oil are the most important to the engineer from an operational standpoint?（）
A. Ash content, carbon residue, and gravity
B. Viscosity, acidity, and demulsibility
C. Pour point, flash, point, and precipitation number
D. Auto-ignition point, viscosity index, and film strength
[单项选择]The development goals for a large marine engine are many often interact and in some cases even with each other（）
A. conflict
B. accord
C. harmonize
D. struggle
[单项选择]If the compass heading and the magnetic heading are the same then（）.
A. the deviation has been offset by the variation
B. there is something wrong with the compass
C. the compass is being influenced by nearby metals
D. there is no deviation on that heading
[判断题]在厂商短期均衡产量上，AR＜SAC，但AR＞AVC，则厂商亏损，但应继续生产。
[名词解释]试验误差 experimental error
[单项选择] Your company is main office and a branch office are connected by a slow WAN link. All servers are located in the main office run Windows Server 2008 R2. All client computers run Windows 7. You install an application on a Remote Desktop Session Host (RD Session Host) se rver. Users in the branch office experience slow performance when accessing the application through Remote Desktop. You need to minimize the bandwidth utilization to the RD Session Host server. What should you do？（）
A. Configure BranchCache in Hosted Cache mo de.
B. On the RD Session Host server, configure the RDP - TCP properties to allow only Network Level Authentication.
C. On each client computer, configure the Connect Experience settings in the Remote Desktop Connection client.
D. On each client computer, confi gure the Connect From Anywhere settings in the Remote Desktop Connection client.
[单项选择]CATEGORY A EPIRB’s transmit on frequencies that are monitored by（）.
A. orbiting satellites in space
B. commercial radio stations
C. private，commercial，and military aircraft
D. ordinary radio stations
[多项选择]Which three statements about Syslog utilization are true?（）
A. Utilizing Syslog improves network performance.
B. The Syslog server automatically notifies the network administrator of network problems.
C. A Syslog server provides the storage space necessary to store log files without using router disk space.
D. There are more Syslog messages available within Cisco IOS than there are comparable SNMP trap messages.
E. Enabling Syslog on a router automatically enables NTP for accurate time stamping。
F. A Syslog server helps in aggregation of logs and alerts.
[单项选择]What is one of the reasons that custom QoS ACLs are recommended over automatic QoS when configuring ports on a Catalyst 6500 for use with IP phones?（）
A. 79xx IP phones do not automatically mark voice packets with non-zero DSCP values.
B. 79xx IP phones do not mark protocol packets such as DHCP, DNS, or TFTP with non-zero DSCP values.
C. 79xx IP phones do not mark voice packets with optimal DSCP values.
D. 79xx IP phones use a custom protocol to communicate CDP information to the switch.
