Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 150 25 650 1 150 25 650 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 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 Respiratory trouble All of these Poor visibility due to sky darkening Irritation in eyes Respiratory trouble All of these Poor visibility due to sky darkening Irritation in eyes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Iron & manganese Bi-carbonates Carbonates Arsenic Iron & manganese Bi-carbonates Carbonates Arsenic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? SO₂ & SO₃ NO₂ CO NH₃ SO₂ & SO₃ NO₂ CO NH₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is A liquid particle resulting from vapor condensation A solid particle e.g. flyash A combination of smoke and fog Nothing but black smoke A liquid particle resulting from vapor condensation A solid particle e.g. flyash A combination of smoke and fog Nothing but black smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 20 1 5 10 20 1 5 10 ANSWER DOWNLOAD EXAMIANS APP
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