A . 1QF
B . 2QF1
C . 2QF2
D . 3QF
[单选题]康明斯发电车中,II机向I路供电需合()开关。A . 1QFB . 2QF1C . 2QF2D . 3QF
[单选题]康明斯发电车中,I机向II路供电需合1QF的同时合()开关。A . 2QF1B . 2QF2C . 1QFD . 4QF
[单选题]康明斯发电车中,III机向I路供电需合3QF的同时合()开关。A . 2QF1B . 2QF2C . 1QFD . 4QF
[单选题]康明斯发电车中,III机向II路供电需合()开关。A . 1QFB . 2QF1C . 2QF2D . 3QF
[单选题]康明斯发电车中,II机向II路供电需合()开关。A . 1QFB . 2QF1C . 2QF2D . 3QF
[单选题]当康明斯发电车需单机单路供电时,Ⅰ号机仅合()主开关即可单独向Ⅰ路供电。A . 1QFB . 2QF1C . 2QF2D . 3QF
[单选题]当康明斯发电车需单机单路供电时,Ⅱ号机仅合()主开关即可单独向Ⅱ路供电。A . 1QFB . 2QF1C . 2QF2D . 3QF
[单选题]当康明斯发电车需单机单路供电时,Ⅱ号机仅合()主开关即可单独向Ⅰ路供电。A . 1QFB . 2QF1C . 2QF2D . 3QF
[单选题]当康明斯发电车需单机单路供电时,Ⅲ号机仅合()主开关即可单独向Ⅱ路供电。A . 1QFB . 2QF1C . 2QF2D . 3QF
[单选题]康明斯发电车中,若出现I号机已向I路供电时,2QF1主开关也能通过2SB8按钮合闸的故障,此故障的最大可能原因是()。A . 1KA9故障B . 2KA9故障C . 3KA9故障D . 2QF1主开关故障