Top 350+ Solved Environmental Engineering MCQ Questions Answer
Q. Which organisms cause infections diseases?
a. Viruses
b. Worms
c. Protozoa
d. Fungi
e. All of the above
Q. Alum increases
a. Hardness of water
b. Carbonates of water
c. Sulphates in water
d. Acidity of water
e. None of the above
Q. Which of the following industry will usually have the highest concumption of water for processing?
a. Foundry
b. Steel plant
c. Automobile industry
d. Paper mill
e. Aluminium industry
Q. Electrodialysis is the process of removal of
a. soluble gases in water
b. dissolved solids in water
c. suspended solids in water
d. none of the above
e. None of the above
Q. The presence of fluorides in drinking water helps in
a. Purification of water
b. Preventing decaying of teeth
c. Deodourisation of water
d. Reduces fungi formation
e. Killing aerobic bacteria
Q. Which radio nuclide has the least half life period?
a. Carbon 14
b. Iodine 131
c. Radium
d. Hydrogen 3
e. None of the above
Q. Identify the incorrect statement if any
a. If the pH value of water is 14 the water has maximum alkalinity
b. pH value of 6 represents acidic water
c. Water having pH value 4 will be more acidic than water having pH value of 6
d. Maximum acidity of water is indicated by pH value of zero
e. None of the above
Q. The science of poisons - their effects, antidotes and detection, is known as
a. Toxicology
b. Minerology
c. Petrology
d. Poisonology
e. Hermetilogy
Q. Which of the following can have octane rating of more than 100?
a. Gobar gas
b. Methyl alcohol
c. Benzol
d. Ethyl alcohol
e. None of the above
Q. Which thermometer is used to indicate the lowest temperature?
a. Clinical thermometer
b. Alcohol thermometer
c. Resistance thermometer
d. Liquid thermometer
e. Green
Q. In the jet propulsion, efficiency of the propulstion depends upon
a. The speed of the vehicle
b. Height at which the vehicle is travelling
c. Density of the medium in which the vehicle is travelling
d. All of the above
e. Green
Q. Which of the following shading device will transmit least leat inside a room?
a. Plain glass sheet 3 mm thick
b. Plain glass sheet with wire mesh outside
c. Plain glass sheet with Venetion blind inside
d. Plain glass with curtain inside
e. None of the above
Q. All of the following pollutants are produced as a result of decaying organic matter EXCEPT
a. Ammonia
b. Sulphur dioxide
c. Methane
d. Hydrogen sulphide
e. None of the above
Q. Half life period for carbon 14 is nearly
a. 1.2 days
b. 5.73 days
c. 5.73 years
d. 5730 days
e. None of the above