പരമാവധി 250 V വോൾട്ടേജിൽ പ്രവർത്തിക്കുന്ന ഒരു വ്യൂഹത്തിന്റെ ഏറ്റവും കുറഞ്ഞ ഇൻസുലേഷൻ പ്രതിരോധ മൂല്യം:

This question was previously asked in
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
Free
General Science for All Railway Exams Mock Test
20 Qs. 20 Marks 15 Mins

Detailed Solution

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വൈദ്യുത ഉപകരണത്തിനും വ്യൂഹങ്ങൾക്കുമുള്ള വ്യത്യസ്ത ഇൻസുലേഷൻ പ്രതിരോധ (IR) മൂല്യങ്ങൾ ചുവടെ നൽകിയിരിക്കുന്നു:

ഉപകരണങ്ങളുടെ പരമാവധി വോൾട്ടേജ് റേറ്റിംഗ്

മെഗ്ഗർ വലിപ്പം 

ഏറ്റവും കുറഞ്ഞ IR മൂല്യം

250 വോൾട്ട് 

500 വോൾട്ട് 

25 MΩ

600 വോൾട്ട് 

1000 വോൾട്ട് 

100 MΩ

5 kV

2500 വോൾട്ട് 

1000 MΩ

8 kV

2500 വോൾട്ട് 

2000 MΩ

15 kV

2500 വോൾട്ട് 

5000 MΩ

25 kV

5 kV

20,000 MΩ

35 kV

15 kV

100,000 MΩ

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