Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Smoke Dust Powder Grit Smoke Dust Powder Grit ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Lime Hydrazine Ferrous sulphate Alum Lime Hydrazine Ferrous sulphate Alum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 125 80 145 100 125 80 145 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Asphyxiation (suffocation) Anemia Cancer Bone decay Asphyxiation (suffocation) Anemia Cancer Bone decay ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Chlorine Benzene hexachloride Alkalis Alkyl benzene sulphonate (ABS) Chlorine Benzene hexachloride Alkalis Alkyl benzene sulphonate (ABS) ANSWER DOWNLOAD EXAMIANS APP