Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 95 120 75 140 95 120 75 140 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Sulphur dioxide Photochemical smog Nitrogen dioxide Dust particles Sulphur dioxide Photochemical smog Nitrogen dioxide Dust particles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 2000 5000 50 1000 2000 5000 50 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Presumptive EDTA Total count Electometric Presumptive EDTA Total count Electometric 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 Bone disease Cancer Skin disorder Bronchitis Bone disease Cancer Skin disorder Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 80% less than 200 mesh size particles are called Grit Aggregates Powder Smoke Grit Aggregates Powder Smoke ANSWER DOWNLOAD EXAMIANS APP
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