The frequency of an alternator is cont

1、Inductance is the property of an elect

Inductance is the property of an electric circuit that （）Aopposes any change in the applied voltageBopposes any change in the current flow through the circuitCaids any changes in the applied voltageDaids any changes in the current through the circuit

2、Which of the following is an optional

Which of the following is an optional NIM resource for a diskless client?（）ArootBspotChomeDpaging

3、The holding capability of an anchor is

The holding capability of an anchor is primarily determined by the（）.Ashape of the anchorBstowage of the anchor on boardCanchor's ability to dig inDsize of the vessel and its draft

4、To increase the frequency of an operat

To increase the frequency of an operating AC generator, you should （）Aincrease the field excitationBdecrease the field excitationCincrease the number of magnetic polesDincrease the speed of the prime mover

5、Which of the following is an accurate

Which of the following is an accurate statement about the pull of the sun on the earth?A It is about twice the pull of the moon.B It determines the time of high tide.C It determines the time of low tide.D It is about half the pull of the moon.

6、Which of the following is true of an i

Which of the following is true of an index used to support a UNIQUE constraint?（）AIt must have the UNIQUE attribute.BIt cannot be created ex...