EXAMIANS
Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr.
YOUR ANSWER : ?
YOUR ANSWER : ?
Nitrogen oxides (NOx) is not produced in the __________ industry.
YOUR ANSWER : ?
5-200 μm size particles are called
YOUR ANSWER : ?
In sewage treatment, its sedimentation is speeded up by commonly adding
YOUR ANSWER : ?
Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of
YOUR ANSWER : ?
Higher concentration of nitrogen dioxide in atmospheric air causes
YOUR ANSWER : ?
A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm.
YOUR ANSWER : ?
Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes
YOUR ANSWER : ?
Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by
YOUR ANSWER : ?
Iron & manganese present in the polluted water is removed by
YOUR ANSWER : ?