Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 800 10 90 750 800 10 90 750 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Dark brown Black Grey Red Dark brown Black Grey Red ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? Hg F NOx SO₂ Hg F NOx SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Pneumoconiosis' is a disease caused by the inhalation of __________ dust. Uranium ore Iron ore Coal Lime Uranium ore Iron ore Coal Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 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. 10-100 100-1000 100-200 10-100 100-1000 100-200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of soluble organics in polluted water causes Explosion hazards Depletion of oxygen Undesirable plants growth Fire hazards Explosion hazards Depletion of oxygen Undesirable plants growth Fire hazards ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS