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Listening Quiz: Yêu Cầu EMC Cho Dây Điều Khiển Trong Môi Trường Công Nghiệp Nhiễu Điện Từ – Advanced Level
Th10 29, 2024
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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 is the main topic of the conversation?
How to design control wiring to reduce electromagnetic interference
How to install power cables in a factory
How to replace damaged industrial machines
How to program test equipment for computer networks
Explanation:
The conversation focuses on EMC requirements for control wiring in noisy industrial environments and ways to reduce electromagnetic interference.
2.
According to Paul, what should be done with the shield on a shielded cable?
It should be grounded
It should be replaced with a filter
It should be wrapped around the power cable
It should be left unconnected
Explanation:
Paul says, ‘Yes, grounding the shield is very important.’
3.
What does Paul recommend about the placement of control wiring?
Keep it away from power cables
Place it next to filters
Bury it underground
Keep it close to power cables
Explanation:
Paul advises, ‘Keep control wiring away from power cables.’
4.
What is likely true about the environment they are discussing?
It is a home network installation with wireless devices
It is a quiet office with little electrical equipment
It is a noisy industrial environment where interference is a concern
It is a classroom setting with no wiring problems
Explanation:
The title and the discussion about electromagnetic interference, shielded cables, and filters show they are working in a noisy industrial environment.
5.
What does Paul say can block unwanted frequencies?
IEC standards
Twisted pairs
EMC test equipment
Filters
Explanation:
Paul states that ‘filters can block unwanted frequencies.’
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