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हिन्दी Translations » 历史存档[信息] » जल शोधन – प्रतिदिन एक प्रश्न (12.20)

जल शोधन – प्रतिदिन एक प्रश्न (12.20)

2016-12-20View Original

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इस पोस्ट को अंतिम बार 68589544 द्वारा 2016-12-20 13:41 पर संपादित किया गया।
एकल-विकल्पीय प्रश्न: प्रक्रिया-संबंधी आवश्यकताओं के अनुसार, पोषक तत्वों को डालने हेतु आम तौर पर ____ के आधार पर ही मात्रा निर्धारित की जानी चाहिए। A. BOD5:N:P = 100:10:1
B. BOD5:N:P = 100:5:1
C. BOD5:N:P = 100:10:2
D. BOD5:N:P = 100:5:2
उत्तर: B
Reply #22016-12-20
बी.बी.ओडी5:एन=100:5:1
Reply #32016-12-20
बी.बी.ओडी5:एन=100:5:1
Reply #42016-12-20
बी.बी.ओडी5:एन:पी = 100:5:1
Reply #52016-12-20
बी.बी.ओडी5:एन:पी = 100:5:1

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Translated at 2026-07-20 23:21:20

Original: https://bbs.hcbbs.com/thread-1653960-1-1.html

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