Environmental Engineering in CE World environment day is observed every year on the 5th of June December September July June December September July ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 15-20 25-30 43832 43961 15-20 25-30 43832 43961 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Vibration damping Tree plantation Green house gases Use of silencers Vibration damping Tree plantation Green house gases Use of silencers 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 Ortho-xylene Potassium cyanide Coal ash None of these Ortho-xylene Potassium cyanide Coal ash ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 50 5000 2000 1000 50 5000 2000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? Discharging to atmosphere through tall stacks after dilution Filling in steel crates and shooting it off out of earth Dilution with inert material Disposing off in rivers & oceans Discharging to atmosphere through tall stacks after dilution Filling in steel crates and shooting it off out of earth Dilution with inert material Disposing off in rivers & oceans ANSWER DOWNLOAD EXAMIANS APP
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