Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Respiratory disease (e.g. asthma) Retardation in crop growth Damage to building materials like marble Asphyxiation (suffocation) leading to death Respiratory disease (e.g. asthma) Retardation in crop growth Damage to building materials like marble Asphyxiation (suffocation) leading to death ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Aggregates Smoke Grit Aerosols Aggregates Smoke Grit Aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream? Sedimentation tank Mechanical flocculation Chemical coagulation Circular clarifier Sedimentation tank Mechanical flocculation Chemical coagulation Circular clarifier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 15 to 20 3 to 6 0.1 to 1 10 to 15 15 to 20 3 to 6 0.1 to 1 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 120 150 90 180 120 150 90 180 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hardy cross method of analysis of distribution system(i) Involves successive trials(ii) Takes economic aspects into account(iii) Is time consuming (i) and (iii) Only (i) (i) and (ii) All are correct (i) and (iii) Only (i) (i) and (ii) All are correct ANSWER DOWNLOAD EXAMIANS APP