electromagnetic field, revolving armature type
electromagnetic field, oscillatory armature type
armature, oscillatory electromagnet field type
armature, rotating electromagnetic field type
第1题：
The frequency of an AC generator is controlled by the
A.rheostat
B.governor
C.exciter
D.capacitor
第2题：
A.Inkjet
B.Laser
C.Impact
D.Thermal
第3题：
The type of installation “________” is selected by most users, the sof1be installed with the most common options.
A.Typical
B.Complete
C.Custom
D.Minimum
第4题：
The most common type of davit found on merchant vessels today is the ______．
A.Radial
B.Sheath-screw
C.Gravity
D.Quadrantal
第5题：
The most common type of containment device for spilled oil on the water is the use of _____.
A.straw
B.booms
C.skimmers
D.chemical dispersants
第6题：
The frequency of an AC generator is controlled by the ___.
A.rheostat
B.governor
C.exciter
D.capacitor
第7题：
The type of installation“(71)”is selected by most users, the software installed with the most common options.
A．Typical
B．Complete
C．Custom
D．Minimum
第8题：
A.are the most three common means
B.are the most common three means
C.are the three most common means
D.are three the most common means
第9题：
It can be inferred from the passage that early historians of women’s labor in the United States paid little attention to women’s employment in the service sector of the economy because________．
A．fewer women found employment in the service sector than in factory work
B．the wages paid to workers in the service sector were much lower than those paid in the industrial sector
C．women’s employment in the service sector tended to be much more short—term than in factory work
D．employment in the service sector seemed to have much in common with the unpaid work associated with homemaking
第10题：
In IPCCX, what is a CSQ?（）