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 sedimentation tanks equipped with mechanical scrapper In vacuum filter By chemical coagulation In clarifiers In sedimentation tanks equipped with mechanical scrapper In vacuum filter By chemical coagulation In clarifiers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Electrostatic precipitator Gravity settling chamber Hydrocyclone Packed scrubber Electrostatic precipitator Gravity settling chamber Hydrocyclone Packed scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Chlorine Benzene hexachloride Alkyl benzene sulphonate (ABS) Alkalis Chlorine Benzene hexachloride Alkyl benzene sulphonate (ABS) Alkalis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) B 2B 8B 4B B 2B 8B 4B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SOâ‚‚ as an air pollutant. Sulphuric acid Iron & steel Nitric acid Chloralkali Sulphuric acid Iron & steel Nitric acid Chloralkali ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Dental cavities Corrosion Scale formation Water-borne disease Dental cavities Corrosion Scale formation Water-borne disease ANSWER DOWNLOAD EXAMIANS APP
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