One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 483
Thread Content
Multiple-choice question: There are many types of high-voltage switches. Among them, the high-voltage switch that can not only connect and disconnect load current under normal conditions but also cut off short-circuit current in the event of a fault with the help of relay protection devices is ( ). A. High-voltage isolator B. High-voltage interlock device C. High-voltage circuit breaker D. High-voltage load switch. Correct answer: C
There are many types of high-voltage switches. Among them, the high-voltage switch that can not only connect and disconnect load current under normal conditions but also cut off short-circuit current in the event of a fault with the help of relay protection devices is ( C ). A. High-voltage isolator B. High-voltage interlock device C. High-voltage circuit breaker D. High-voltage load switch
There are many types of high-voltage switches. Among them, the high-voltage switch that can not only connect and disconnect load current under normal conditions but also cut off short-circuit current in the event of a fault with the help of relay protection devices is ( C ). A. High-voltage isolator B. High-voltage interlock device C. High-voltage circuit breaker D. High-voltage load switch