Environmental Engineering MCQs Quizlet Bank
1. Select one value of pH that represents a stronger acid…
a) 10
b) 7
c) 5
d) 2
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]C[/su_spoiler]
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
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]C[/su_spoiler]
3. The discharge of a tube-well is…
a) 500 litres/sec
b) 50 litres/sec
c) 1000 litres/sec
d) 5 litres/sec
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]B[/su_spoiler]
4. Which of the following is the most common cause of acidity in water?
a) nitrogen
b) hydrogen
c) oxygen
d) carbon dioxide
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]D[/su_spoiler]
5. Deep wells have…
a) less depth
b) more depth
c) less discharge
d) more discharge
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]D[/su_spoiler]
6. Chose one of the following that is not a water-borne disease?
a) malaria
b) typhoid
c) cholera
d) dysentery
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]A[/su_spoiler]
7. The hourly variation factor is usually taken as…
a) 2.0
b) 2.7
c) 1.5
d) 1.8
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]C[/su_spoiler]
8. Which of the following is the average quantity of water required for domestic purposes?
a) 70
b) 135
c) 100
d) 120
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]B[/su_spoiler]
9. The duration of water treatment unit is…
a) 15 years
b) 10 years
c) 30 years
d) 20 years
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]A[/su_spoiler]
10. Which of the following is the disease occurs due to bacterial infections?
a) Poliomyelitis
b) Amoebic dysentery
c) Infectious hepatitis
d) Typhoid fever
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]D[/su_spoiler]
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
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]A[/su_spoiler]
12. Run lead joint is…
a) Flanged joint
b) Tyton joint
c) Coupled joint
d) Spigot and socket joint
[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]D[/su_spoiler]