Environmental Health — Flashcards

Flashcard 41: f88ddafee050488590dfb35b04ed01d4-ao-5

Answer: safe water qualities

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Flashcard 42: The instrument used to measure air velocity is the _____.

Answer: Anemometer

Flashcard 43: 3323f70f79e14b3cbe3e2902781bf872-ao-1

Answer: sand filters

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Flashcard 44: _____ is segregated in yellow b category of BMW

Answer: animal anatomical waste

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Flashcard 45: 125d773b33354caf968a6f58399e48a9-ao-3

Answer: day light factor

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Flashcard 46: _____ is the form of chlorine most commonly used for water chlorination

Answer: Chlorine gas

Extra: Chlorine gas is the most common form used for large-scale municipal water treatment. Bleaching powder (calcium hypochlorite) is typically used for smaller scales such as wells.

Flashcard 47: water can be defluoridated by _____ technique

Answer: nalgonda

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Flashcard 48: area of a room in a house should be >_____ per person

Answer: 100 sq feet

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Flashcard 49: f88ddafee050488590dfb35b04ed01d4-ao-1

Answer: safe water qualities

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Flashcard 50: _____ is the indicator for recent contamination of water

Answer: Faecal streptococci