40 TOP ENVIRONMENTAL ENGINEERING Online Test – Multiple Choice Questions and Answers

1. Presence of bacteria in potable (drinking) water causes

 
 
 
 

2. The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated

 
 
 
 

3. Which is the most practical and economical method for removal of suspended solid matter from polluted water ?

 
 
 
 

4. Iron & manganese present in the polluted water is removed by

 
 
 
 

5. Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it

 
 
 
 

6. Pick out the wrong statement

 
 
 
 

7. Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called

 
 
 
 

8. Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools)

 
 
 
 

9. Maximum permissible turbidity in potable water is __________ ppm

 
 
 
 

10. A shallow pond in which the sewage is retained and biologically treated is called

 
 
 
 

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2 thoughts on “40 TOP ENVIRONMENTAL ENGINEERING Online Test – Multiple Choice Questions and Answers
  1. its a very good program to get practice and study a required subject knowledge
    , all students should be thankful to you….

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