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【单选题】
PowerPoint 2002主要是用来做哪项工作的软件（）
A.
制作多媒体动画软件
B.
编制网页站点的软件
C.
制作电子表格的软件
D.
制作电子演示文稿的软件
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【简答题】The generator was doused, and the light went out.
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【单选题】A DC generator is used to supply direct current in order to maintain an AC generator field and is known as a/an _____.
A.
rotor
B.
stator
C.
exciter
D.
armature
查看完整题目与答案
【单选题】A diesel generator has just been paralleled with an AC turbo-generator, but the load can not be properly divided .This could be caused by____________
A.
an incorrect diesel generator governor speed droop adjustment
B.
a faulty reverse power relay within the main circuit breaker assembly
C.
unsynchronized isochronous load distribution adjustments
D.
a different speed setting on each unit
查看完整题目与答案
【判断题】软胶囊的制备方法有滴制法和压制法
A.
正确
B.
错误
查看完整题目与答案
【判断题】软胶囊的制备方法有压制法和滴制法
A.
正确
B.
错误
查看完整题目与答案
【单选题】When securing an AC generator, you should FIRST _____.
A.
open the generator circuit breaker
B.
switch the voltage regulator to 'manual'
C.
decrease the field excitation to minimum
D.
reduce the load on the unit
查看完整题目与答案
【单选题】The purpose of DC generator brushes is to （）.
A.
neutralize armature reaction
B.
conduct electric current to an outside circuit
C.
convert DC current to AC current
D.
provide excitation to a DC generator
查看完整题目与答案
【单选题】When the generator overloads in an automatic electric power plant, ______.
A.
the stand-by generator set will start and synchronize automatically
B.
the ACB of generator will trip
C.
the windings of generator will burn out
D.
the whole ship will lose power
查看完整题目与答案
【单选题】东北的重要道地药材有( )
A.
防风
B.
地黄
C.
天麻
D.
黄连
E.
苍术
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【单选题】Which of the following is true of an asynchronous generator?
A.
The generator uses brushes and slip rings
B.
The rotation and driving frequency are the same
C.
Permanent magnets are used
D.
There is no electrical connection to the rotor
查看完整题目与答案
相关题目：
【简答题】The generator was doused, and the light went out.
查看完整题目与答案
【单选题】A DC generator is used to supply direct current in order to maintain an AC generator field and is known as a/an _____.
A.
rotor
B.
stator
C.
exciter
D.
armature
查看完整题目与答案
【单选题】A diesel generator has just been paralleled with an AC turbo-generator, but the load can not be properly divided .This could be caused by____________
A.
an incorrect diesel generator governor speed droop adjustment
B.
a faulty reverse power relay within the main circuit breaker assembly
C.
unsynchronized isochronous load distribution adjustments
D.
a different speed setting on each unit
查看完整题目与答案
【判断题】软胶囊的制备方法有滴制法和压制法
A.
正确
B.
错误
查看完整题目与答案
【判断题】软胶囊的制备方法有压制法和滴制法
A.
正确
B.
错误
查看完整题目与答案
【单选题】When securing an AC generator, you should FIRST _____.
A.
open the generator circuit breaker
B.
switch the voltage regulator to 'manual'
C.
decrease the field excitation to minimum
D.
reduce the load on the unit
查看完整题目与答案
【单选题】The purpose of DC generator brushes is to （）.
A.
neutralize armature reaction
B.
conduct electric current to an outside circuit
C.
convert DC current to AC current
D.
provide excitation to a DC generator
查看完整题目与答案
【单选题】When the generator overloads in an automatic electric power plant, ______.
A.
the stand-by generator set will start and synchronize automatically
B.
the ACB of generator will trip
C.
the windings of generator will burn out
D.
the whole ship will lose power
查看完整题目与答案
【单选题】东北的重要道地药材有( )
A.
防风
B.
地黄
C.
天麻
D.
黄连
E.
苍术
查看完整题目与答案
【单选题】Which of the following is true of an asynchronous generator?
A.
The generator uses brushes and slip rings
B.
The rotation and driving frequency are the same
C.
Permanent magnets are used
D.
There is no electrical connection to the rotor
查看完整题目与答案