Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 4.8 0.2 0.002 1.2 4.8 0.2 0.002 1.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. None of these Potassium cyanide Ortho-xylene Coal ash None of these Potassium cyanide Ortho-xylene Coal ash ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hardy cross method of analysis of distribution system(i) Involves successive trials(ii) Takes economic aspects into account(iii) Is time consuming (i) and (iii) (i) and (ii) All are correct Only (i) (i) and (iii) (i) and (ii) All are correct Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is CO₂ CO NO Hydrocarbons CO₂ CO NO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. Total solids All of these Color (Hazen) Turbidity Total solids All of these Color (Hazen) Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Files Micro-organisms Algae Mosquitoes Files Micro-organisms Algae Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
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