Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Toluene Acetaldehyde Carbon dioxide Carbon disulphide Toluene Acetaldehyde Carbon dioxide Carbon disulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Coal based thermal power plants Metallurgical roasting & smelting plant Pulp and paper plant Petroleum refineries Coal based thermal power plants Metallurgical roasting & smelting plant Pulp and paper plant Petroleum refineries ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 20 1 7 3 20 1 7 3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? Sr-90 Ra-226 Au-198 I-131 Sr-90 Ra-226 Au-198 I-131 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World environment day is observed every year on the 5th of September July June December September July June December ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes High breathing rate Reduction in working efficiency of manpower All of these Fatigue High breathing rate Reduction in working efficiency of manpower All of these Fatigue ANSWER DOWNLOAD EXAMIANS APP
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