Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 0.2 1.2 0.002 4.8 0.2 1.2 0.002 4.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? Hydrocarbons CO H₂S SO₂ Hydrocarbons CO H₂S SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Turbidity of water is an indication of the presence of Dissolved solids Floating solids Dissolved gases Suspended inorganic matter Dissolved solids Floating solids Dissolved gases Suspended inorganic matter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Respiratory disease (e.g. asthma) Retardation in crop growth Damage to building materials like marble Asphyxiation (suffocation) leading to death Respiratory disease (e.g. asthma) Retardation in crop growth Damage to building materials like marble Asphyxiation (suffocation) leading to death ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is A liquid particle resulting from vapor condensation A combination of smoke and fog A solid particle e.g. flyash Nothing but black smoke A liquid particle resulting from vapor condensation A combination of smoke and fog A solid particle e.g. flyash Nothing but black smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Overall height All of these Inlet gas velocity Diameter Overall height All of these Inlet gas velocity Diameter ANSWER DOWNLOAD EXAMIANS APP