Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. None of these Silica Coal Iron None of these Silica Coal Iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 43961 43832 25-30 15-20 43961 43832 25-30 15-20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 100 80 145 125 100 80 145 125 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Petrol vapor Hydrogen Carbon monoxide Acetylene Petrol vapor Hydrogen Carbon monoxide Acetylene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of Nā in contaminated air at which it acts as a natural asphyxant is ā„ __________ percent. 92 80 84 88 92 80 84 88 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a manmade source of air pollution? Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP