Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 5 0.1 25 1 5 0.1 25 1 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 Water-borne disease Scale formation Corrosion Dental cavities Water-borne disease Scale formation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Carbon monoxide Hydrogen Petrol vapor Acetylene Carbon monoxide Hydrogen Petrol vapor Acetylene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5000 50 5 2000 5000 50 5 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Skimming tank Detritus tank Grit chamber Trickling filter Skimming tank Detritus tank Grit chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Suppression of noise at the source itself Protection of operating personnel Path control of noise All of these Suppression of noise at the source itself Protection of operating personnel Path control of noise All of these ANSWER DOWNLOAD EXAMIANS APP
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