91. Infective bacteria in water is killed by the __________ process.
92. Ozone level is generally found to be depleted in India in the month of
93. In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)
94. The commonest form of iron & manganese found in ground water as pollutant is in the form of their
95. Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m2/hr.
96. Oil and grease present in an emulsified state in waste water discharged from industries can be removed by
97. Which of the following is a manmade source of air pollution?
98. Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm.
99. 80% less than 200 mesh size particles are called
100. Removal of __________ is accomplished by aeration of water.
Read More Section(Environmental Engineering in CE)
Each Section contains maximum 100 MCQs question on Environmental Engineering in CE. To get more questions visit other sections.