海船船员考试
单选题An electrical device which employs a stationary armature and a rotating electromagnetic field is used aboard ship as a （）.A magnetic amplifierB ship’s service alternatorC three-wire DC generatorD saturable core reactor
题目
magnetic amplifier
ship’s service alternator
three-wire DC generator
saturable core reactor
相似问题和答案
第1题：
A typical peripheral device has ______ which the processor uses to select the device's internal registers.
A．data
B．a control
C．a signal
D．an address
解析：译文的含义是：典型的外设都具有一个()，处理器利用它来选择设备寄存器。选项A、B、C、D的含义分别是数据、控制、信号、地址。选项D符合题意，为所选。
第2题：
The field coils _____and the armature _____. This is in fact the arrangement adopted for large, heavy duty alternators.
A.are stationary / rotates
B.are stationary /is stationary
C.rotate / is stationary
D.rotate / rotates
第3题：
An electrical device which prevents an action from occurring until all other required conditions are met is called a/an _____.
A.limit
B.monitor
C.modulator
D.interlock
第4题：
Loran-C is which type of system ________．
A.Reflected electron
B.Electrical radiation
C.Quarterpoint electrical navigation
D.Hyperbolic radio navigation
第5题：
A typical peripheral device has an address which the processor uses to select the device's internal(74)．
A．data
B．controls
C．signals
D．registers
解析：一个典型的外部设备拥有一个地址，处理器通过它选中设备内部寄存器。
第6题：
An electrical device which employs a stationary armature and a rotating electromagnetic field is used aboard as a
A.magnetic amplifier
B.ship's service alternator
C.three-wire DC generator
D.saturable core reactor
第7题：
Which of the following components are used to convert alternating current produced in the generator windings to direct current?
A.Armature and equalizer
B.Commutator and brushes
C.Rotor and interpoles
D.Field and exciter
第8题：
In Trial 9, the electrical force exerted by Sphere Y on Sphere X and the electrical force exerted by Sphere X on Sphere Y were exerted in which direction(s)?
A.east； east
B.east； west
C.west； west
D.west； east
第9题：
The field coils ______ and the armature(电枢) ______. This is in fact the arrangement adopted for large, heavy duty alternators.
A.are stationary(固定的)/rotates
B.are stationary/is stationary
C.rotate/ is stationary
D.rotate/rotate
第10题：
Which virtualization technology allows multiple physical devices to be combined into a singlelogical device？（）
- A、 device visualization
- B、 device clustering
- C、 server visualization
- D、 network visualization
正确答案:B