The starting current of an a-cmotor is () the rated current.
- Athe same as
- Bmuch larger than
- Cless than
- Dequal
The starting current of an a-cmotor is () the rated current.
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、There is a danger of the starting curr
There is a danger of the starting current that the windings are burnt out()Ato increaseBto be so increasedCincreasedDbeing so increased
3、Sudden starts or stops of the boom is
Sudden starts or stops of the boom is likely to cause all of the following except().Abreaking a cargo runnerBparting guys topping liftsCcarrying away a blockDoverheating the resistors and eventually burning out
4、Which of the following is an optional
Which of the following is an optional NIM resource for a diskless client?()ArootBspotChomeDpaging
5、The frequency of an alternator is cont
The frequency of an alternator is controlled from the main switchboard by adjusting the()Afrequency meterBvoltage regulatorCgovernor controlDsychroscope switch
6、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