Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Skimming tank Grit chamber Detritus tank Trickling filter Skimming tank Grit chamber Detritus tank Trickling filter 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? Acceleration Deaccelaration Idle running Cruising Acceleration Deaccelaration Idle running Cruising ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is NO Hydrocarbons CO CO₂ NO Hydrocarbons CO CO₂ 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 N₂ in contaminated air at which it acts as a natural asphyxant is ≥ __________ percent. 84 88 92 80 84 88 92 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes Tuberculosis Shortness of breath All of these Asphyxiation (suffocation) Tuberculosis Shortness of breath All of these Asphyxiation (suffocation) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Operating principle of cyclone separator is based on the action of __________ dust particles. Electrostatic force on Centrifugal force on Gravitational force on Diffusion of Electrostatic force on Centrifugal force on Gravitational force on Diffusion of ANSWER DOWNLOAD EXAMIANS APP