【Daily Topic】【Electrical Edition 20170511】
Thread Content
Participation reward: 2 Wealth. Correct reward: 6 wealth. Multiple-choice question: In the search for contactor and relay contacts, ( ) A The left column shows the area number where the normally closed contacts are located, while the right column shows the area number where the normally open contacts are located. B The left column shows the area number where the normally open contacts are located, while the right column shows the area number where the normally closed contacts are located. C The left column shows the area number where the auxiliary contacts are located, while the right column shows the area number where the main contacts are located. B
In column B, the left side shows the area code where the normally open contact is located, while the right side shows the number of the diagram area where the normally closed contact is located
In column B, the left side shows the area code where the normally open contact is located, while the right side shows the number of the diagram area where the normally closed contact is located