Top 350+ Solved Environmental Engineering MCQ Questions Answer
Q. Which of the following is the major source of pollutant hydrogen sulphide?
a. Decaying organic matter
b. Auto exhaust
c. Oil burners
d. Solar energy
e. None of the above
Q. The pH value of concentrated sulphuric acid could be expected between
a. 7 and 6
b. 6 and 5
c. 4 and 3
d. 3 and 1
e. 1 and 0
Q. Ultra-violet rays are used for the treatment of water known as
a. Dechlorination
b. Disinfection
c. Aeration
d. Filtration
e. Bleaching
Q. The process of kolling at the pathogenic bacteria of water-borne diseases to make it safe for hospital use, is known as
a. Zeoliting
b. Debacterialisation
c. Sterilization
d. Aeration
e. Chlorination
Q. Electric fuses provide protection against
a. sparking
b. overloads
c. single phasing
d. low current and voltage
e. None of the above
Q. In one litre sample of drinking water the coliform organism should not exceed
a. 1000
b. 500
c. 100
d. 10
e. 1
Q. When the trees are to be planted by the road side the minimum distance from the out edge of side width should be
a. 0.5 to 1 metre
b. 2 to 3 metres
c. 5 to 8 metres
d. 12 to 15 metres
e. None of the above
Q. All of the following are souhd obsorptive materials EXCEPT
a. Rugs
b. Mirrors
c. Carpets
d. Heavy drapes
e. None of the above
Q. Which of the following pollutant results from decaying organic matter?
a. Acetylene
b. Ozone
c. Ammonia
d. Nitric oxide
e. None of the above
Q. All of the following pollutants result from auto-exhaust EXCEPT
a. Acetylene
b. Olefins
c. Hydrogen sulphide
d. Ethylene
e. None of the above
Q. Dust particles in industrial processes may be generated by
a. Crushing
b. Grinding
c. Detonation
d. Rapid impact
e. Any of the above processes
Q. Turbidity in water may be removed by
a. Sedimentation
b. Filtration
c. Agitation
d. Aeration
e. Oxidation
Q. Which of the following area of work needs lowest level of illumination?
a. Engraving
b. Cloth inspection
c. Assembly of instrument
d. Paper converting processes
e. None of the above
Q. Which one of the following is not directly related to the phenomenon of evaporation?
a. Temperature of liquid
b. Volume of the liquid
c. Surface area of the liquid
d. Surface winds over the liquid
e. None of these