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

1. Maximum permissible turbidity in potable water is __________ ppm

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. 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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Pick out the wrong statement

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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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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