Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 90 10 45 115 90 10 45 115 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. Radioactive None of these Organic Inorganic Radioactive None of these Organic Inorganic 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 Fluorine Sulphur Phosphorous Calcium Fluorine Sulphur Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? None of these Thermosphere Troposphere Stratosphere None of these Thermosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) Causes asphyxia Inhances the green house effect Causes increase in sea level Acts as a green house gas thereby raising earth's temperature Causes asphyxia Inhances the green house effect Causes increase in sea level Acts as a green house gas thereby raising earth's temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 150 650 25 1 150 650 25 1 ANSWER DOWNLOAD EXAMIANS APP