Environmental Engineering in CE Main pollutant present in automobile exhaust is CO NO CO₂ Hydrocarbons CO NO CO₂ Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 185 105 135 160 185 105 135 160 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 Tolerable limit of nitrogen oxides in air is __________ ppm. 0.1 5 1 25 0.1 5 1 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Suspended solids Alkalis Phenol and cynide Chlorine Suspended solids Alkalis Phenol and cynide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 3 to 6 10 to 15 0.1 to 1 15 to 20 3 to 6 10 to 15 0.1 to 1 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
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