Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 5 2000 500 1000 5 2000 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Negatively charged Positively charged Neutral Combination of all A, B & C Negatively charged Positively charged Neutral Combination of all A, B & C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Suppression of noise at the source itself All of these Path control of noise Protection of operating personnel Suppression of noise at the source itself All of these Path control of noise Protection of operating personnel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 100 20 1000 1 100 20 1000 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of soluble organics in polluted water causes Explosion hazards Undesirable plants growth Fire hazards Depletion of oxygen Explosion hazards Undesirable plants growth Fire hazards Depletion of oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 10 0.1 5 0.001 10 0.1 5 0.001 ANSWER DOWNLOAD EXAMIANS APP
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