Environmental Engineering in CE The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. 120 60 90 105 120 60 90 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Anemia Bone decay Cancer Asphyxiation (suffocation) Anemia Bone decay Cancer Asphyxiation (suffocation) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Textile Coal mining Limestone mining Asbestos Textile Coal mining Limestone mining Asbestos ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? Mercury Aluminium Arsenic Lead Mercury Aluminium Arsenic Lead ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Bi-carbonates Chlorides Carbonates Sulphides Bi-carbonates Chlorides Carbonates Sulphides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CO₂ CH₄ CO N₂ CO₂ CH₄ CO N₂ ANSWER DOWNLOAD EXAMIANS APP
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