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Listening Quiz: Thuyết Trình Kết Quả Phân Tích Ngắn Mạch – Medium Level
Th6 28, 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 is the main purpose of Laura and Mark’s conversation?
To compare different suppliers for electrical parts
To explain why the project was canceled
To discuss short circuit analysis before ordering equipment
To train staff on emergency evacuation procedures
Explanation:
Laura presents the short circuit results, and Mark says they are reviewing them before ordering equipment. The conversation is about checking whether the equipment choices are acceptable.
2.
What is the maximum short circuit current at the main bus?
15,000 amps
12,000 amps
10,000 amps
0.5 seconds
Explanation:
Laura says, ‘The maximum short circuit current is 10,000 amps at the main bus.’
3.
How long is the fault duration?
0.25 seconds
0.5 seconds
2.0 seconds
1.5 seconds
Explanation:
Laura states that the fault duration is 0.5 seconds, and she adds that this is within safety standards.
4.
What can be inferred about the equipment Laura and Mark plan to order?
It has not been reviewed yet
It will definitely need major redesign
It cannot be used because the system is unstable
It appears to meet the system’s electrical requirements
Explanation:
Laura says the breakers can handle up to 12,000 amps, the fault duration is within safety standards, and there are no major weak points. Mark then asks if they can proceed with ordering equipment, and Laura says the analysis supports their choices.
5.
Why does Mark ask whether the current is within the equipment limits?
To suggest changing the main bus location
To ask Laura to repeat the analysis from the beginning
To confirm the planned equipment can safely handle the short circuit current
To argue that the fault duration is too long
Explanation:
Mark asks if the current is within the equipment limits right after hearing the maximum short circuit current. This shows he wants to confirm the planned equipment is suitable before ordering it.
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