Environmental Engineering in CE Which is a secondary air pollutant? Photochemical smog Sulphur dioxide Nitrogen dioxide Dust particles Photochemical smog Sulphur dioxide Nitrogen dioxide Dust particles 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? Cruising Idle running Deaccelaration Acceleration Cruising Idle running Deaccelaration Acceleration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Oil & fatty Gritty & inorganic Dissolved solid Suspended solid Oil & fatty Gritty & inorganic Dissolved solid Suspended solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 4 12 1 8 4 12 1 8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Oxidation followed by settling & filtration Simple filtration Chlorination only Chemical coagulation Oxidation followed by settling & filtration Simple filtration Chlorination only Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Suspended solids Chlorine Phenol and cynide Alkalis Suspended solids Chlorine Phenol and cynide Alkalis ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS