Environmental Engineering in CE Salt content in sea water is about __________ percent. 3.5 0.5 10 1 3.5 0.5 10 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Mufflers (silencers) Accoustical absorbent Lagging of noisy duct None of these Mufflers (silencers) Accoustical absorbent Lagging of noisy duct None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Nitric acid plant Thermal power plant Sulphuric acid plant Petroleum refinery Nitric acid plant Thermal power plant Sulphuric acid plant Petroleum refinery ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Calcium Phosphorous Sulphur Fluorine Calcium Phosphorous Sulphur Fluorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? All of these Chlorofluro carbons (CFC) Nitrous oxide Methane All of these Chlorofluro carbons (CFC) Nitrous oxide Methane ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The upper layer of atmosphere is called the None of these Stratosphere Ionosphere Troposphere None of these Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP