Top 350+ Solved Environmental Engineering MCQ Questions Answer
Q. The water borne bacterial infections may cause
a. Typhoid fever
b. Dysentery
c. Cholera
d. Any of the above
e. None of the above
Q. LPG stands for
a. Liquefied petroleum gas
b. Low pressure gas
c. Lubricated and purified gas
d. Low purity gas
e. None of the above
Q. Which of the following symptoms will not show that combustion is necessarily complete?
a. Presence of free carbon is exhaust
b. Presence of carbon monoxide in exhaust
c. Presence of oxygen in exhaust
d. Presence of nitrogen in exhaust
e. None of the above
Q. Thiosulphate is the antidote for the poisonous effect due to
a. Arsenic
b. Lead
c. Mercury
d. Cyanide
e. Organic phosphorous compounds
Q. Low grade fuels have
a. low moisture content
b. low ash content
c. low calorific value
d. low carbon content
e. None of the above
Q. Curies is a measure of
a. biological effect of radiation which a man can sustain
b. the rate at which atoms of radioactive sources disintegrate
c. 86 ergs of energy per gram of air
d. ions percent in an ionised gas
e. None of the above
Q. The presence of algae in water indicates that the water is
a. Hard
b. Soft
c. Acidic
d. Pune
e. Free from turbidity
Q. Electrostatic precipitators are largely used in
a. water treatment plants
b. sewage disposal plants
c. Thermal power plants
d. nuclear power plants
e. None of the above
Q. The maximum permissible turbidity for drinking water
a. Zero
b. 1 - 4 ppm
c. 15 - 25 ppm
d. 3 - 50 ppm
e. 30 - 50 ppm
Q. Per capita consumption of water is usually taken as
a. 50 - 100 litres
b. 150 - 300 litres
c. 400 - 500 litres
d. 500 - 750 litres
e. 750 - 1000 litres
Q. The incubation period of Typhoid bacillus causing typhoid fever is
a. 1 to 3 days
b. 3 to 5 days
c. 7 to 21 days
d. 20 to 30 days
e. None of the above
Q. Which of the following has least wave-length?
a. Cosmic rays
b. Ultraviolet rays
c. X-rays
d. Gamma rays
e. None of the above
Q. The most injurious components of automobile exhaust for environment are
a. Carbon monoxide and Carbon dioxide
b. Carbon monoxide and lead
c. Ethylene dichloride and ethylene dibromide
d. Carbon dioxide and Sulphur dioxide
e. Green
Q. The main disadvantage of hard water is
a. Higher density
b. More turbidity
c. Foul smell
d. Bad taste
e. Increased soap consumption
Q. Which of the following area of work needs highest level of illumination?
a. Bakeries
b. Book binding
c. Confectionary factory
d. Clothing factory
e. None of the above