Environmental Health — Flashcards

Flashcard 61: permissible water level is _____ in rapid sand filters

Answer: 1-1.5 meters

Extra: 

Flashcard 62: In biomedical waste management, the **blue** bag includes _____.

Answer: glassware and metallic body implants

Flashcard 63: The _____ is an instrument used to measure relative humidity.

Answer: Hygrometer

Flashcard 64: An **adulterant** is a substance that _____

Answer: harms or decreases nutritive value

Extra: An adulterant is any material which is or could be employed for making the food unsafe or sub-standard or mis-branded or containing extraneous matter.

Flashcard 65: _____ is the most common primary air pollutant

Answer: CO

Flashcard 66: _____ is done to check gross contamination in milk

Answer: methylene blue reductase test/MBRT

Extra: 

Flashcard 67: _____ is the indicator of distant contamination of water

Answer: clostridium perfringens

Extra: 

Flashcard 68: _____ scheme promotes LED use in country

Answer: ujala

Extra: 

Flashcard 69: per child sitting area should not be <_____

Answer: 10 sq. feet

Extra: 

Flashcard 70: Incineration reduces the weight of waste by _____%

Answer: 75-80

Extra: Incineration reduces volume by ~90% and weight by 75-80%. The residual ash is approximately 20-25% of the original weight.