Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 60 120 20 90 60 120 20 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Silicosis Cancer Respiratory disease (e.g., asthma) Reduced crop yield Silicosis Cancer Respiratory disease (e.g., asthma) Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 40 20 85 70 40 20 85 70 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁻⁷ 10⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes All of these Anaemia Blood poisoning Nervous system disorder All of these Anaemia Blood poisoning Nervous system disorder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Packed scrubber Electrostatic precipitator Gravity settling chamber Hydrocyclone Packed scrubber Electrostatic precipitator Gravity settling chamber Hydrocyclone ANSWER DOWNLOAD EXAMIANS APP