Environmental Health — Flashcards

Flashcard 151: Effective size of sand in **rapid sand filter** is _____ mm and in **slow sand filter** is _____ mm

Answer: 0.4-0.7

Flashcard 152: white bag includes _____ in biomedical waste management

Answer: needle,metal sharps 

Flashcard 153: height of a house window should be _____ from the ground

Answer: <3 feet

Extra: 

Flashcard 154: DDT has a residual effect of _____

Answer: 10-12 weeks

Extra: DDT (50% WP) is used for Indoor Residual Spray (IRS) at a dose of 1 g/m². According to NVBDCP guidelines, its residual effect lasts for 10-12 weeks (Park mentions 6-10 weeks).

Flashcard 155: The **comfortable** relative humidity ranges from _____%

Answer: 35-65

Flashcard 156: incinerator decreases the volume of waste by _____ %

Answer: 80-95

Extra: 

Flashcard 157: 609e056481f64927865c5657f343b82c-ao-1

Answer: septic tank excreta disposal method at unsewered areas

Extra: 

Flashcard 158: Bio-Medical Waste (BMW) management in India is overseen by the _____.

Answer: Central Pollution Control Board (CPCB)

Flashcard 159: _____ air changes/hour are required for healthy living

Answer: 2-3

Extra: 

Flashcard 160: _____ is segregated into the yellow category of BMW

Answer: Human anatomical waste