सूची - I के साथ सूची-II का  मिलान करें और सूचियों के नीचे दिए गए कोड का उपयोग करके सही उत्तर चुनेंः

सूची- I

(उपचार यूनिट)

सूची- II

(विलम्ब समय)

A. ग्रिट चैम्बर

i. छः घण्टे

B. प्राथमिक अवसादन

ii. दो  मिनिट

C. सक्रिय अवपंक

iii. दो घण्टे

D. अवपंक पाचक

iv. बीस दिन

This question was previously asked in
UPPSC AE Civil 2019 Official Paper II (Held on 13 Dec 2020)
View all UPPSC AE Papers >
  1. A - iii, B - i, C - iv, D - ii
  2. A - ii, B - iii, C - i, D - iv
  3. A - ii, B - i, C - iii, D - iv
  4. A - i, B - ii, C - iii, D - iv

Answer (Detailed Solution Below)

Option 2 : A - ii, B - iii, C - i, D - iv
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Detailed Solution

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स्पष्टीकरण:

विभिन्न प्रकार की उपचार यूनिट के लिए विलम्ब समय 

उपचार यूनिट 

विलम्ब समय 

ग्रिट चैम्बर

30-60 सेकण्ड

 प्राथमिक अवसादन

2-2.5 घण्टे

अवपंक पाचक

20-30 दिन

सक्रिय अवपंक प्रक्रिया

2-4 घण्टे

ऑक्सीकरण तालाब

2-6 सप्ताह

सेप्टिक टैंक

12-36 घण्टे

 

टिप्पणी: सेप्टिक टैंक में उच्च विलम्ब समय होता है जबकि ग्रिट चैम्बर में विलम्ब समय निम्न होता है।
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