Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 0.002 4.8 0.2 1.2 0.002 4.8 0.2 1.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Persistent foam Depletion of dissolved oxygen Explosion hazards Fire hazards Persistent foam Depletion of dissolved oxygen Explosion hazards Fire hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes Blood poisoning Nervous system disorder All of these Anaemia Blood poisoning Nervous system disorder All of these Anaemia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 10 0.001 0.1 5 10 0.001 0.1 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Cadmium Asbestos Hydrogen sulphide Mercury Cadmium Asbestos Hydrogen sulphide Mercury ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Deaccelaration Acceleration Idle running Cruising Deaccelaration Acceleration Idle running Cruising ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS