Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides Soluble and toxic organics All of these Suspended solids Heavy metals and cynides Soluble and toxic organics All of these Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 1000 to 2000 10000 to 100000 6000 to 9000 3000 to 6000 1000 to 2000 10000 to 100000 6000 to 9000 3000 to 6000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes Shortness of breath All of these Asphyxiation (suffocation) Tuberculosis Shortness of breath All of these Asphyxiation (suffocation) Tuberculosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Thermosphere Stratosphere Mesosphere Trophosphere Thermosphere Stratosphere Mesosphere Trophosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 1 0.01 0.1 4 1 0.01 0.1 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible turbidity in potable water is __________ ppm. 250 10 1000 1 250 10 1000 1 ANSWER DOWNLOAD EXAMIANS APP
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