Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Shrinkage of filtering media Expansion of filtering media Mud balls Air binding Shrinkage of filtering media Expansion of filtering media Mud balls Air binding ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Aerosols Mists Smoke Fumes Aerosols Mists Smoke Fumes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 100 to 200 10 to 20 4000 to 5000 1500 to 2500 100 to 200 10 to 20 4000 to 5000 1500 to 2500 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) Only (i) (i) and (ii) All are correct (i) and (iii) Only (i) (i) and (ii) All are correct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Global warming Both B and C Catalytic conversion Green house effect Global warming Both B and C Catalytic conversion Green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Cancer Respiratory disease (e.g., asthma) Silicosis Reduced crop yield Cancer Respiratory disease (e.g., asthma) Silicosis Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP