Biochemical oxygen demand is calculated to know —– wastes –
Correct Answer: Organic
Description: Biochemical oxygen demand is an impoant test done on sewage. It is defined as the amount of oxygen adsorbed by a sample of sewage during a specified period, generally 5 days, at a specified temperature for the aerobic destruction or use of organic matter by living organisms. If BOD more than 300mg/L - strong sewage Less than 100mg/L - weak sewage Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 823
Category:
Social & Preventive Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now