Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 1000 5 2000 100 1000 5 2000 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal In clarifiers In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In vacuum filter In clarifiers In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Biological oxygen demand (BOD) Oxygen ion concentration Relative stability Bacterial stability factor Biological oxygen demand (BOD) Oxygen ion concentration Relative stability Bacterial stability factor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Bag filter Electrostatic precipitators Dust catcher Wet scrubber Bag filter Electrostatic precipitators Dust catcher Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Turbidity Color Hardness Dissolved gases Turbidity Color Hardness Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Corrosion, tarnishing & soiling of metals Fading of dyes on textiles Reduced strength of textiles All of these Corrosion, tarnishing & soiling of metals Fading of dyes on textiles Reduced strength of textiles All of these ANSWER DOWNLOAD EXAMIANS APP
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