Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Idle running Deaccelaration Acceleration Cruising Idle running Deaccelaration Acceleration Cruising ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of Nā in contaminated air at which it acts as a natural asphyxant is ā„ __________ percent. 92 84 88 80 92 84 88 80 ANSWER DOWNLOAD EXAMIANS APP
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 1.2 0.2 0.002 4.8 1.2 0.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Smog & ozone Carbon monoxide Sulphur dioxide & spray of weed killers Hydrogen fluoride & nitrogen oxides Smog & ozone Carbon monoxide Sulphur dioxide & spray of weed killers Hydrogen fluoride & nitrogen oxides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Use of silencers Tree plantation Vibration damping Green house gases Use of silencers Tree plantation Vibration damping Green house gases ANSWER DOWNLOAD EXAMIANS APP
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