更多"[单选题] Indications of the master gyr"的相关试题:
[单选题] At the master gyrocompass，the compass card is attached to the ______．
A.Spider element
B.Sensitive element
C.Link arm
D.Pickup transformer
[单选题] Quadrantal error in a gyrocompass has its greatest effect ______.
A. in high latitudes
B. near the equator
C. on north or south headings
D. on intercardinal headings
[单选题] If the gyrocompass error is east，what describes the error and the correction to be made to gyrocompass headings to obtain true headings ________.
A. The readings are too low（small numerically）and the amount of the error must be added to the compass to obtain true
B. The readings are too low and the amount of the error must be subtracted from the compass to obtain true
C. The readings are too high（large numerically）and the amount of the error must be added to the compass to obtain true
D. The readings are too high and the amount of the error must be subtracted from the compass to obtain true
[简答题]4.41. 第1题
某大工业用户3月份新装Se1=1000kVA变压器和Se2=630kVA变压器各1台,后因资金不到位于6月向供电企业申请
暂停1000kVA变压器1台, 供电企业经核查后同意并于6月10日对其1000kVA变压器加封。该用户6月份基本电费
______元.(有小数的保留两位小数)［假设基本电费为Dfjd=25元/(kVA月)］
[简答题]3.38. 第1题
某工厂原有一台Se1=200kVA变压器和一台Se2=630kVA变压器并列运行,按容量计收基本电费。2018年6月,用户
于13日暂停200kVA变压器1台,6月27日恢复送电。供电企业对该厂的抄表日期是每月月末,基本电价为Dfjd=10元
/(kVA月)。该厂6月份应交纳的基本电费______元.(功率因数调整电费为0,不考虑各项代收费,如收基本电费则
按容量计取。)(有小数的保留两位小数)
[简答题]3.42. 第1题
某工厂原有一台Se1=315kVA变压器和一台Se2=500kVA变压器,按容量计收基本电费。2018年4月,因设备检修,于
13日暂停Se1变压器,4月25日检修完毕恢复送电。供电企业对该厂的抄表日期是每月月末,基本电价为Dfjd=10元
/(kVA月)。该厂4月份应交纳的基本电费______元.(有小数的保留两位小数)
[简答题]3.43. 第1题
某工厂原有一台Se1=400kVA变压器和一台Se2=250kVA变压器,按容量计收基本电费。2018年6月,因计划停电经
供电企业检查同意,于13日暂停400kVA变压器1台,6月24日检修完毕恢复送电。供电企业对该厂的抄表日期是每
月月末,基本电价为Dfjd=10元/(kVA月)。该厂6月份应交纳的基本电费______元.(有小数的保留两位小数)
[单选题] It is the responsibility of the Master or person in charge of a ship to ensure that ______．
A.the Muster List（“Station Bill”）is posted in each compartment
B.temporary personnel and visitors are advised of emergency stations
C.names of crew members are listed on the Muster List（“Station Bill”）
D.no changes are made to the Muster List（“Station Bill”）
[单选题] The Master may have his/her license suspended or revoked for ______．
A.carrying stowaways
B.sailing shorthanded
C.being negligent
D.All of the above
[单选题] The owner or Master of a towing vessel shall ensure that all tests and inspections of gear take place and are logged ______．
A.when a new Master assumes command
B.daily，at 0800 local zone time
C.weekly，before 2400 Saturday
D.immediately after assuming the watch
[单选题] Prior to each voyage the master of every ship shall ensure that the intended route from the port of departure to ______ is planned using adequate and appropriate charts and other nautical publications necessary for the intended voyage．
A.the first port of call
B.any port of call
C.the last port of call
D.the destination
[单选题] Where must the master or person in charge of a ship record the date of each test of emergency lighting and power systems and the condition and performance of the equipment ________．
A.On the Certificate of Inspection
B.On the station bill
C.In the Operations Manual
D.In either the official or unofficial log
[单选题] Prior to getting underway，the Master or person in charge of a vessel must ______．
A.conduct a fire drill
B.conduct a boat drill
C.log the fore and aft draft marks
D.test the emergency generator
[单选题] Prior to getting underway, the master or person in charge of a vessel must ______.
A. conduct a fire drill
B. conduct a boat drill
C. log the fore and aft draft marks
D. test the emergency generator
[单选题] The line connecting the Loran-C master station with a secondary station is called the ______．
A.Focus line
B.Base line
C.Side line
D.Center line
[单选题] What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill ________．
A.Which survival craft was used in the drill
B.The number of each lifeboat not lowered during each drill
C.Only the number of each motor propelled lifeboat that is lowered
D.The length of time an oar propelled lifeboat is rowed
[单选题]PW Redundancy 中 Master/Slave 模式和 Independent 模式的主要差别是什么：
A. AC.侧故障和网络侧故障隔离还是联动
B. 故障倒换时间的长短
C. 应用的网络位置不同
[单选题]启动ROS Master的命令是( )。
A.roscore
B.rosmaster
C.rosMaster
D.roslaunch
