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Listening Quiz: Yêu Cầu Chất Lượng Điện Cho Quy Trình Công Nghiệp Nhạy Cảm – Advanced Level
Th3 5, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư điện (English for Electrical Engineer)
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1.
What are Paul and Linda mainly discussing?
Power quality requirements for a sensitive industrial process
The budget for replacing industrial equipment
The schedule for a factory maintenance shutdown
How to train staff to use a new machine
Explanation:
They discuss voltage fluctuations, harmonics, transients, UPS backup, monitoring, and standards for a sensitive industrial process.
2.
According to Paul, how large may voltage fluctuations be?
Less than 1%
More than 10%
Exactly 1%
Less than 5%
Explanation:
Paul says, ‘fluctuations must be less than 1%.’
3.
What does Paul say should be used to reduce harmonics?
Circuit breakers
Active filters
A generator
Passive transformers
Explanation:
Paul answers Linda’s question by saying, ‘Yes, active filters are best for this case.’
4.
Why does Paul say a UPS with voltage regulation is critical?
To provide backup power and stable voltage
To replace the need for monitoring
To eliminate the need for standards
To increase production speed
Explanation:
Paul says the system needs a UPS with voltage regulation, which indicates it is needed for backup power and stable voltage in the sensitive process.
5.
Which standards does Paul mention for power quality?
IEEE 519 and IEC 61000
ISO 9001 and OSHA
ASTM E18 and EN 71
ANSI 102 and NEC 430
Explanation:
Paul says, ‘IEEE 519 and IEC 61000 are the main standards.’
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Tiếng Anh Cho Bác Sĩ: Nghiên Cứu về Học Sâu trong Diễn Giải Chụp X-quang Vú – Medium Level
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Tiếng Anh Môi trường: Đánh Giá Chất Lượng Không Khí Cho Vùng Phát Thải Thấp – Medium Level
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