Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? SO₃ N₂ CO₂ H₂ SO₃ N₂ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Dust particles Nitrogen dioxide Photochemical smog Sulphur dioxide Dust particles Nitrogen dioxide Photochemical smog Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Dissolved oxygen Phenol Silica Turbidity Dissolved oxygen Phenol Silica Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. Color (Hazen) Turbidity Total solids All of these Color (Hazen) Turbidity Total solids All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes All of these Poor visibility due to sky darkening Respiratory trouble Irritation in eyes All of these Poor visibility due to sky darkening Respiratory trouble Irritation in eyes ANSWER DOWNLOAD EXAMIANS APP
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