Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Iron Iodine Bromine Zinc Iron Iodine Bromine Zinc ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 150-300 1-2 2000-3000 5-10 150-300 1-2 2000-3000 5-10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 1 10 5 20 1 10 5 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Hydrogen Carbon monoxide Ammonia Acetylene Hydrogen Carbon monoxide Ammonia Acetylene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 6.2 7.3 13.4 1.8 6.2 7.3 13.4 1.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Wet scrubber Dust catcher Electrostatic precipitators Bag filter Wet scrubber Dust catcher Electrostatic precipitators Bag filter ANSWER DOWNLOAD EXAMIANS APP