గరిష్ట వోల్టేజ్ 250 V వద్ద నడుస్తున్న వ్యవస్థ కోసం కనీస ఇన్సులేషన్ నిరోధం విలువ:?

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ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 2
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  1. 1000 MΩ
  2. 25 MΩ
  3. 100 MΩ
  4. 1000 GΩ

Answer (Detailed Solution Below)

Option 2 : 25 MΩ
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Detailed Solution

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ఎలక్ట్రికల్ ఉపకరణం & వ్యవస్థల కోసం వివిధ ఇన్సులేషన్ నిరోధాల (IR) విలువలు క్రింద ఇవ్వబడ్డాయి:

సామగ్రి యొక్క గరిష్ట వోల్టేజ్ రేటింగ్

మెగ్గర్ పరిమాణం

కనిష్ట IR విలువ

250 volts

500 volts

25 MΩ

600 volts

1000 volts

100 MΩ

5 kV

2500 volts

1000 MΩ

8 kV

2500 volts

2000 MΩ

15 kV

2500 volts

5000 MΩ

25 kV

5 kV

20,000 MΩ

35 kV

15 kV

100,000 MΩ

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