Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. Organic Radioactive None of these Inorganic Organic Radioactive None of these Inorganic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Calcium Carbonate Sulphate Choride Calcium Carbonate Sulphate Choride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of bacteria in potable (drinking) water causes Bad taste & colour Bad odour Disease Turbidity Bad taste & colour Bad odour Disease Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank (i) and (ii) Only (iii) Only (i) (i) and (iii) (i) and (ii) Only (iii) Only (i) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Path control of noise Suppression of noise at the source itself Protection of operating personnel All of these Path control of noise Suppression of noise at the source itself Protection of operating personnel All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 15 to 20 1 to 2 4 to 5 9 to 10 15 to 20 1 to 2 4 to 5 9 to 10 ANSWER DOWNLOAD EXAMIANS APP