Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 9 to 10 1 to 2 15 to 20 4 to 5 9 to 10 1 to 2 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of NO₂ & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO₂ causes Skin disorder Bone disease Bronchitis Cancer Skin disorder Bone disease Bronchitis Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Choride Sulphate Calcium Carbonate Choride Sulphate Calcium Carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Operating principle of cyclone separator is based on the action of __________ dust particles. Centrifugal force on Electrostatic force on Diffusion of Gravitational force on Centrifugal force on Electrostatic force on Diffusion of Gravitational force on ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Green house gases Vibration damping Tree plantation Use of silencers Green house gases Vibration damping Tree plantation Use of silencers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 5 0.1 1 25 5 0.1 1 25 ANSWER DOWNLOAD EXAMIANS APP
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