单选题:针对三相异步电动机起动的特点,采用Y-△换接起动可减小起动电流和起动转矩,下列中哪个说法是正确的?

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针对三相异步电动机起动的特点,采用Y-△换接起动可减小起动电流和起动转矩,下列中哪个说法是正确的?
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答案解析:

将八进制数763转换成相应的二进制数,其正确的结果是:

将八进制数763转换成相应的二进制数,其正确的结果是:A.110101110 B.110111100 C.100110101 D.111110011

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BThecowboyistheheroofmanymovies.Heis,eventoday,asymbolofcour

BThecowboyistheheroofmanymovies.Heis,eventoday,asymbolofcourageandadventure.Butw

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AJimmywasfiveyearsoldandhisbrother,Billy,wasonlyababy.Onemor

AJimmywasfiveyearsoldandhisbrother,Billy,wasonlyababy.Onemorninghismotherwaitedf

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__________A.atplaceB.ondutyC.forcontrolD.inpost

__________A.atplaceB.ondutyC.forcontrolD.inpost

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__________A.otherB.someotherC.anotherD.oneother

__________A.otherB.someotherC.anotherD.oneother

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