Environmental Engineering in CE The pH value of potable water should be between 13 to 14 1 to 1.5 4 to 5 6.5 to 8 13 to 14 1 to 1.5 4 to 5 6.5 to 8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Mists Aerosols Fumes Smoke Mists Aerosols Fumes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Bacterial stability factor Biological oxygen demand (BOD) Relative stability Oxygen ion concentration Bacterial stability factor Biological oxygen demand (BOD) Relative stability Oxygen ion concentration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 1000 2000 10 200 1000 2000 10 200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes Fatigue High breathing rate All of these Reduction in working efficiency of manpower Fatigue High breathing rate All of these Reduction in working efficiency of manpower ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? SPM Thermal pollution Radioactive rays Noise pollution SPM Thermal pollution Radioactive rays Noise pollution ANSWER DOWNLOAD EXAMIANS APP