在电动机的继电器接触器控制电路中,热继电器的功能是实现( )。
A. 过载保护
B. 失压保护
C. 欠压保护
D. 短路保护
查看答案
热继电器将动作电流调整小了,可以对电路实现短路保护。
A. 对
B. 错
为实现电动机的过载保护,热继电器的发热元件应该与电动机串联。
A. 对
B. 错
Which of the following sentences is the extended example sentence?
A. Some gestures are common in my country.
B. For example, there is one gesture that tells people to be quiet.
C. You put your index finger close to your mouth, and others would understand thatyou want them to stop talking.
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