0分,本题4分2•—台三相变压器的一、二次侧绕组匝数分别为1500和300,则该变压器的变比为()oA.5B.10C.25高压二:第1套答案一、单项选择题l.C2.C3.C4.A5.C6.A7.B8.C9.C10.Bll.B12.C13.B14.B15.A16.A17.C18.C19.B20.B21.B22.C23.D24.A25.D26.B27.B28.B29.B30.A31.B32.D33.B34.D35.C36.A37.B38.D39.A40.A三、判断题l.X2.X3.V4.X5.V6.X7.V8.V9.V10.X11.X12.X13.V14.V15.V16.V17.X18.V19.V20.V21.V22.V23.X24.X25.X26.X27.X28.V29.X30.V31.V32.X33.V34.V35.V36.V二、多项选择题l.AD2.BCD3.AC4.AC5.ACD6.ACD7.BC8.ABCDEF四、案例分析及计算题l.ACD2.C高压二:第2套答案一、单项选择题l.A2.B3.C4.B5.C6.B7.C8.B9.A10.Cll.C12.C13.A14.B15.A16.B17.A18.A19.A20.C21.A22.A23.B24.C25.D26.D27.A28.A29.B30.D31.B32.B33.A34.A35.B36.B37.B38.A39.B40.B三、判断题1.V2.V3.X4.V5.V6.X7.X8.V9.V10.V11.V12.X13.*14.X15.X16.V17.V18.V19.X20.V21.V22.X23.*24.V25.X26.X27.V28.V29.V30.X31.X32.X33.V34.X35.V363二、多项选择题l.ABDE2.ABC3.AD4.AB5.AD6・ABCF7.AD8.AC四、案例分析及计算题l.ABD2.A
全文预览
