Please answer this question.
A: Short circuit protection
B: Overload protection.
C: Under voltage protection.
D: Thermal relays protection.
A: Short circuit protection
B: Overload protection.
C: Under voltage protection.
D: Thermal relays protection.
举一反三
- 8 A) An environmental protection law has been passed. B) An environmental protection law needs to be passed. C) This passage is about environmental protection. D) The environmental protection law will take effect soon. A: A) An environmental protection law has been passed. B: B) An environmental protection law needs to be passed. C: C) This passage is about environmental protection. D: D) The environmental protection law will take effect soon.
- Make the choice: A: An environmental protection law has been passed. B: An environmental protection law needs to be passed. C: This passage is about environmental protection. D: The environmental protection law will take effect soon.
- 100%<br/>Protection for generator stator single phase earth fault() A: zero<br/>sequence voltage protection B: third<br/>harmonic voltage protection C: zreo<br/>sequence current
- Task 3Listen to the two short conversations two times and choose the best answer for each question.Conversation 1 A: Environmental protection. B: Environmental pollution. C: Animal extinction. D: Animal protection.
- What is the duration of copyright protection for a novel? （ ） A: A novel will not gain copyright protection. B: 70 years from the end of the calendar year in which the author died. C: The day the author dies D: The end of the calendar year in which the author died.