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Listening Quiz: Thử Nghiệm và Kiểm Tra Điện Cho Hệ Thống Tạm Thời Tại Sự Kiện – Advanced Level
Th2 17, 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?
Planning the catering for a large event
Repairing damaged equipment after an outage
Checking the electrical setup for a temporary event installation
Choosing speakers for a business conference
Explanation:
Sophia and James discuss inspections and tests for the electrical setup, including cables, protective conductors, insulation resistance, and RCD devices.
2.
What should James look for during the visual inspection of the cables?
Whether the cables are color-coded
Only the length of the cables
Damaged insulation and loose connections
Signs that the cables are brand new
Explanation:
Sophia tells James to look for damaged insulation and loose connections during the visual inspection.
3.
What level should the insulation resistance test be above for safety?
100 ohms
10 megaohms
1 megaohm
1 kiloohm
Explanation:
Sophia says the insulation resistance should be above 1 megaohm for safety.
4.
Why do they test the RCD devices?
To check the event schedule
To measure the cable length
To make sure they trip correctly
To improve the sound system
Explanation:
Sophia says they test RCDs to ensure they trip correctly.
5.
What can be inferred about the electrical checks for the event?
They are meant mainly to reduce ticket prices
They are done only after the event ends
They are unnecessary if the equipment is new
They are performed to support safety and compliance
Explanation:
Sophia says the tests should be recorded for safety and compliance checks, and the conversation focuses on inspections and tests to keep the setup safe.
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