Environmental Engineering MCQs Quizlet Bank
1. Select one value of pH that represents a stronger acid…
a) 10
b) 7
c) 5
d) 2
2. Which of the following are designed for distribution mains?
a) maximum hourly demand
b) maximum daily demand
c) maximum hourly demand on a maximum day
d) average daily demand
3. The discharge of a tube-well is…
a) 500 litres/sec
b) 50 litres/sec
c) 1000 litres/sec
d) 5 litres/sec
4. Which of the following is the most common cause of acidity in water?
a) nitrogen
b) hydrogen
c) oxygen
d) carbon dioxide
5. Deep wells have…
a) less depth
b) more depth
c) less discharge
d) more discharge
6. Chose one of the following that is not a water-borne disease?
a) malaria
b) typhoid
c) cholera
d) dysentery
7. The hourly variation factor is usually taken as…
a) 2.0
b) 2.7
c) 1.5
d) 1.8
8. Which of the following is the average quantity of water required for domestic purposes?
a) 70
b) 135
c) 100
d) 120
9. The duration of water treatment unit is…
a) 15 years
b) 10 years
c) 30 years
d) 20 years
10. Which of the following is the disease occurs due to bacterial infections?
a) Poliomyelitis
b) Amoebic dysentery
c) Infectious hepatitis
d) Typhoid fever
11. What is the number of beds to be provided when the area of the filter is 1500?
a) 2
b) 6
c) 1
d) 3
12. Run lead joint is…
a) Flanged joint
b) Tyton joint
c) Coupled joint
d) Spigot and socket joint