Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 5 1000 100 2000 5 1000 100 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Asphyxiation (suffocation) Anemia Bone decay Cancer Asphyxiation (suffocation) Anemia Bone decay Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. Organic Radioactive None of these Inorganic Organic Radioactive None of these Inorganic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Respiratory & lung disease Reduction in plant's productivity owing to acid rain Corrosion of building materials All of these Respiratory & lung disease Reduction in plant's productivity owing to acid rain Corrosion of building materials All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. Dissolved gases Suspended solids Dissolved solids None of these Dissolved gases Suspended solids Dissolved solids None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Carbon monoxide Hydrogen Ammonia Acetylene Carbon monoxide Hydrogen Ammonia Acetylene ANSWER DOWNLOAD EXAMIANS APP